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全部话题 - 话题: barrel
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l********a
发帖数: 3384
1
来自主题: Stock版 - 操,今天早上路过加油站
Prior Actual
Crude oil inventories (weekly change) 4.5 M barrels 9.6 M barrels
Gasoline (weekly change) -0.2 M barrels -4.5 M barrels
Distillates (weekly change) 2.5 M barrels 0.4 M barrels
b*********1
发帖数: 2
2
来自主题: Stock版 - 完鸟,原油废了
Saudi Arabia cuts oil prices amid OPEC price war
Published: Oct 4, 2015 10:29 a.m. ET
By
Benoit
Faucon
Saudi Arabia on Sunday made deep reductions to the prices it charges for its
oil, hard on the heels of cuts last month by rival producers in the Gulf.
With U.S. production still increasing despite lower oil prices, members of
the Organization of the Petroleum Exporting Countries are battling to keep
their share of the last growing markets in Asia.
In a list of official prices sent to customers,... 阅读全帖
P***e
发帖数: 804
3
来自主题: SanFrancisco版 - 哪里买橡木桶装的红酒啊
You don't have to go to Napa to buy a Napa wine. Any supermarket like
Costco should be easy to find tons of them. What varietal do you like?
White or red? Popular California reds include Cabernet Sauvignon,
Merlot, Pinot Noir, Zinfandel, and Syrah is kind of winding down. Whites
are such as Chardonnay, Pinot Grigio, Sauvinon Blanc, Symphony, Muscato
etc. Most $10+ wines are aged in oak . Actually even most of the
economy wines also have oak components in them- they were aged on top of
what's ca... 阅读全帖
s*****i
发帖数: 5548
4
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calixarene (Barrel) 于 (Mon Jun 18 16:53:21 2012, 美东) 提到:
自打买了新建的房后, 一直被各种虫子惊吓着. 墙角处, 门框边, 特别是窗台上, 大大
小小的各种蜘蛛等虫子络绎不绝, 活的活, 死的死, 还有一滩一滩的虫卵!!! 每次我都
是胆战心寒的去清理,恶心的不行. 最不幸的是, 没多久, 清理干净的地方又被虫子占
领了.
屋外定期喷home defence,没啥效果.有什么更有效的方法可以让虫在室内销声匿迹? 不
想请pest control,一是没钱,二是怕他们用的杀虫剂太毒,把虫毒死的同时让我缩短了N
年寿命.
先谢过!
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TTU (Call for Drama) 于 (Mon Jun 18 16:56:28 2012, 美东) 提到:
用手
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yapple (稳似泰... 阅读全帖
s*****i
发帖数: 5548
5
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calixarene (Barrel) 于 (Thu Oct 11 16:38:03 2012, 美东) 提到:
从夏天开始,房子里已经发现N个小壁虎了,都是那种透明没颜色的,想知道这些壁虎
到底是怎么进来的?如何防止它们再进来。
本人胆小,每次都是心惊胆寒的去抓,想早日把漏洞堵上,过上太平日子.
谢谢!
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redalarm19 (pp) 于 (Thu Oct 11 16:54:21 2012, 美东) 提到:
和谐, 人畜无害 车库很多啊
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lxinzheng (头发2mm长) 于 (Thu Oct 11 17:51:58 2012, 美东) 提到:
这个无害吧
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chooyu (卓奥友) 于 (Thu Oct 11 19:18:50 2... 阅读全帖
s*****i
发帖数: 5548
6
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chooyu (卓奥友) 于 (Wed Mar 21 13:26:25 2012, 美东) 提到:
一搜索,都是什么alibaba.com, koreatrade.com, made-in-china.com的.
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calixarene (Barrel) 于 (Wed Mar 21 16:34:39 2012, 美东) 提到:
从马桶里喷出来的水,您老觉着干净否?
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chooyu (卓奥友) 于 (Wed Mar 21 16:49:22 2012, 美东) 提到:
本少看过不少说明书,是进马桶前的管道截流,和洗脸洗澡洗菜水无异。。

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calixarene (Barrel) 于 (Wed Mar 21 17:03:29 2012, 美东) ... 阅读全帖
S**********s
发帖数: 4534
7
来自主题: GunsAndGears版 - 大家帮我挑只枪吧
for range shooting, prone and benchrest, this gun is great for the money.
for hunting, the weight is an issue. .308 semi-autos can be much lighter.
For the same design in a different package, Browning BAR ShortTrac Stalker
comes in 6 lbs 10oz. while FNAR (the tactical version) comes in 9 and 10 lbs
empty gun, and 11 lbs for FNAR match.
You DON'T want to hump around a 12 lbs rifle on a hunting trip
As far as the two piece stock and free float is concerned, it can be
problematic (and a few reports... 阅读全帖
h*******g
发帖数: 2201
8
来自主题: GunsAndGears版 - 请大大看看如何配AR, 求推荐
打算自装20" rifle length AR,看了许多网上的评论,觉得upper receiver 和trigger
最重要(不知道俺的理解对不对,请大大们指正),看到BCM很好,想这么配upper
receiver:
1.BCM Standard 20" Government Profile Upper Receiver Group, $439.00, include
:( I am not sure if this one needs a muzzle brake or flash hider or not? )

M4 Feed Ramp Barrel Extension
M4 Feed Ramp Flat Top Receiver
T-Marked Upper Receivers
USGI 1/7 Twist Rates
USGI 5.56 NATO Chambers
Mil-Spec 11595E - Certified Barrel Steel (CMV)
Chrome Lined Bore and Chamber
Manganese Phosphate Barr... 阅读全帖
S**********s
发帖数: 4534
9
Some basic criteria for a good modern all purpose AR setup:
Mid profile barrel, or anything between a pencil barrel and heavy bull
barrel
Preferably 16-18" barrel
Mid length gas for 14-16" barrel
Rifle length gas for 18-20" barrel
Ideal length of handguard is over 12", and as light as possible. Free
floating handguard is preferred.
Low profile gas block > FSB > railed gas block,
S**********s
发帖数: 4534
10
来自主题: GunsAndGears版 - How about this AR-15 Kit
weight mostly come from different barrel contours. I dont think the
stainless barreled upper has heavy contour, so it might not be much heavier.
Stainless steel barrel is not EXTREMELY durable like the double chromelined
barrel from FN, but that doesn't mean you will shoot out the barrel any time
soon, matter of fact, average shooter will not outshoot the barrel in their
lifetime.

and
materials
last
w*******y
发帖数: 60932
11
来自主题: _DealGroup版 - 【$】Nerf N-Strike Maverick $8.42 FSSS
Linky:
http://iway.org/9607401


quote



Editorial Review
Like the gun toted by the cowboy hero with whom it shares its name, the
Maverick is a six shooter. Unlike the gun that other Maverick had, however,
this weapon shoots only soft suction darts that can fly across a room and
adhere to a window or other glass surface. The Maverick features a rotating
barrel, which makes it easier to keep the firepower flying in the midst of
heated battle and a futuristic lo... 阅读全帖
f*****x
发帖数: 675
12
WASHINGTON — U.S. Coast Guard Adm. Thad Allen, who is overseeing the
federal response to the Gulf of Mexico oil spill, on Sunday said progress
was being made to contain the oil, but predicted that the cleanup effort
could extend into the fall.
"We're making the right progress," Mr. Allen told CNN. But "I don't think
anybody should be pleased as long as there's oil in the water."
Earlier Sunday, BP PLC Chief Executive Tony Hayward said a containment cap
was now funneling off more than 10,000 barr... 阅读全帖
w*j
发帖数: 6104
13
来自主题: Military版 - Oil Exports Trim U.S. Trade Deficit
美国这些年油产量增长很快,对中国有好处。 供应多了,价格想拉也不那么容易了。
Record petroleum exports helped shrink the U.S. trade deficit in December to
the smallest in almost three years as America moved closer to energy self-
sufficiency, a goal the nation has been pursuing since the 1973 Arab oil
embargo.
The gap narrowed 20.7 percent to $38.5 billion, the smallest since January
2010 and lower than any estimate in a Bloomberg survey of 73 economists,
Commerce Department figures showed today in Washington. Oil exports climbed
$11... 阅读全帖
l****z
发帖数: 29846
14
By Matt Cover
March 23, 2012
In this photo taken with a long exposure, a pumping unit sucks oil from the
ground near Greensburg, Kan. Tuesday, March 6, 2012. The nationwide average
for regular unleaded slipped less than a penny to $3.764 per gallon on
Tuesday, March 6,2012. That ended a streak of price hikes that began on Feb.
8. (AP Photo/Charlie Riedel)
(CNSNews.com) – While President Obama has been touting in recent days that
his administration is promoting oil drilling in the United States, ... 阅读全帖
p*******g
发帖数: 246
15
来自主题: Stock版 - COUGF-Good time to buy?
看到有分析机构推荐者之股票,拿到这里分享一下。大牛们给把一把脉。
5 Reasons You Need to Buy COUGF Today
1. Amex listing coming soon. Buy COUGF today before the stock moves from
the OTC to Amex.They've just applied for the listing.
2. Cash flow & Production. Projected oil production to be 15,000 barrels
or more by 2013. Cougar Oil and Gas already has cash flow, unlike most other
junior exploration companies. The cash is flowing in because Cougar is
already pumping oil out of the ground...400% more than last year alone...Th... 阅读全帖
k********n
发帖数: 18523
16
Libya Oil Chief Says Crude Production ‘Could Reach a Halt’ Due to Conflict
By Ola Galal and Inal Ersan - Mar 20, 2011 7:33 AM GMT+0900
inShare
More Print Email
Libya’s oil production fell to less than 400,000 barrels a day after
foreign companies pulled out their staff, the chairman
of the country’s state-run National Oil Corp., Shokri Ghanem, said in a
televised media conference from Tripoli.
Ghanem said the North African country had no intention of breaking
commitments with foreign companies a... 阅读全帖
p******a
发帖数: 285
17
来自主题: Stock版 - Crude Oil $44
so the daily world demand for crude oil is 91.21 million barrel per day, and
the world supply is 94 million barrel per day, of which U.S. produces 12.83
million barrel per day (about 4 million from Shale Oil), and Russia
produces 10.58 million barrel per day. This pattern has been consistent
since 2010.
The supply and demand imbalace and push-down against shale oil industry is a
very weak argument for the drop in oil price. It's more of a sanction
against Russia; as soon as Ukraine situation get... 阅读全帖
p******a
发帖数: 285
18
not sure about XLE, but i think you should hold UCO as WTI already trades at
$44/barrel....even if WTI drops to $30/barrel, your UCO maybe down to $19-
20/share....
but there's a higher chance that WTI could go to $60/barrel-$65/barrel than
going to $30/barrel.
k*j
发帖数: 2317
19
PMorgan Chase estimates that WTI could oil prices could average around $48.
50 per barrel in 2015 and $46.50 per barrel 2016. The crude oil price chart
suggests that US WTI crude oil prices could average around $40–$50 per
barrel in the near term. The EIA (U.S. Energy Information Administration)
estimates that WTI crude oil prices could average around $49 per barrel in
2015 and $54 per barrel in 2016.
m*******v
发帖数: 294
20
http://www.commodities-now.com/news/power-and-energy/20511-mark
London, 19 January 2016
Has the market over-reacted to the Iran sanction lift?
“Sanctions placed on Iranian oil exports by the US and five other countries
were lifted after the International Atomic Energy Agency found the country
to be compliant with its nuclear agreement with the P5+1 (the permanent
members of the United Nations Security Council–the United States, the
United Kingdom, Russia, France, and China plus Germany), plus th... 阅读全帖
s**t
发帖数: 17016
21
来自主题: Stock版 - 近期的操作计划
U.S. commercial crude oil inventories increased by 10.4 million barrels
这个增加非常多
Total motor gasoline inventories decreased by 1.5 million barrels last week
Over the last four weeks, motor gasoline product supplied averaged about 9.3
million barrels per day, up by 6.9% from the same period last year.
汽油的消费非常强劲
Distillate fuel inventories increased by 2.9 million barrels last week
Distillate fuel product supplied averaged over 3.4 million barrels per day
over the l... 阅读全帖
s****a
发帖数: 2918
22
来自主题: Stock版 - 石油
News Headlines
Back to Headlines
OIL FALLS AMID WARNINGS OF RETREAT TO $40 ON ROCKY REBALANCE
By Heesu Lee and Stephen Stapczynski - Fri, 15 Jul 2016 01:58:53 GMT
(Bloomberg) -- Oil fell amid forecasts prices may slide toward $40 a barrel
as consumption falters and halted supplies return.
Futures fell as much as 1.4 percent, paring a 2.1 percent gain Thursday.
Analysts from BNP Paribas SA to JBC Energy GmbH warned prices may sink
towards $40 a barrel amid a global glut of supply and weakening de... 阅读全帖
wh
发帖数: 141625
23
来自主题: Connecticut版 - 周末Lyman Orchards果园冰雪节
周六周日两天(2月26、27号),有冰雕比赛、狗拉雪橇、观光马车、food sampling、
fruit-tree pruning demonstration等等。有人去过吗?是买票的吗?听着挺好玩。
大家周末玩好!
http://www.lymanorchards.com/events/winterfest.shtml
Lyman's 39th Annual Winterfest!
Sat/Sun, Feb. 26 & 27, 2011
ICE WARS: Five Carvers...Five Blocks...Five Hours!
Pro Ice Carvers Face Off in a heated battle for prizes and prestige!
Proving that snow and ice can actually be fun, the activities featured in
our 39th Annual Winterfest will provide hours of outdoor and indoor
enjoyment.
Bill... 阅读全帖
z*********n
发帖数: 94654
24
来自主题: LosAngeles版 - 100条吹掉脑子的经济事实
我的favorite:
19. For the 2012-2013 fiscal year, California will spend $8.7 billion on
prisons and $4.8 billion on its UC and state college systems.
Share on emailEmail Share on printPrint 5K
Recs
272
100 Mind-Blowing Facts About the Economy
By Morgan Housel | More Articles
July 17, 2012 | Comments (58)
In no particular order…
1. The unemployment rate for men is 8.4%. For married men, it's 4.9%.
2. The unemployment rate for college graduates is 3.9%. For high school
dropouts, it's 13%.
3. Accordin... 阅读全帖
g*q
发帖数: 26623
25
来自主题: SanFrancisco版 - 100条吹掉脑子的经济事实 (转载)
【 以下文字转载自 LosAngeles 讨论区 】
发信人: zhanglaosan (张老三), 信区: LosAngeles
标 题: 100条吹掉脑子的经济事实
发信站: BBS 未名空间站 (Wed Jul 25 17:38:44 2012, 美东)
我的favorite:
19. For the 2012-2013 fiscal year, California will spend $8.7 billion on
prisons and $4.8 billion on its UC and state college systems.
Share on emailEmail Share on printPrint 5K
Recs
272
100 Mind-Blowing Facts About the Economy
By Morgan Housel | More Articles
July 17, 2012 | Comments (58)
In no particular order…
1. The unemployment rate for men is 8.4%.... 阅读全帖
s*****i
发帖数: 5548
26
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calixarene (Barrel) 于 (Wed Mar 21 17:07:48 2012, 美东) 提到:
屯子地区到底有没有野荠菜啊?
看到food版有很多人都挖到野荠菜了,我整日留心野草,看到有很象的,但不知道是不
是啊?
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HifoCH (爱菊轩) 于 (Wed Mar 21 17:37:32 2012, 美东) 提到:
可以很负责任地说,有
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almeda (土木工程) 于 (Wed Mar 21 18:17:10 2012, 美东) 提到:
野荠菜,马齿苋,草头,马兰头
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calixarene (Barrel) 于 (Thu Mar 22 00:01:45 2012, 美东) 提到:
草头我认识,但其他三个我实在辨识不出来... 阅读全帖
p***e
发帖数: 29053
27
来自主题: GunsAndGears版 - 请问shotgun 要多久才维护一次
我和老婆拔河的力终于把barrel remove了(拔出来的时候把我下巴撞的不轻),但是
push back
的时候更加费力,而且 barrel ejector 和 revceiver ejector有gap,barrel都快压
弯了,
那个gap还在,如图。
请问有870 express的兄弟帮忙看看你们的枪里面是否有这样的gap(barrel 和
receiver的
gap)

discussion/67880-remington-870-barrel-removal.html
D******r
发帖数: 491
28
来自主题: GunsAndGears版 - REM OIL擦枪后,是否还要干布擦干?
The best you can do is use to push a cleaning patch through the barrel, so
just a thin film of oil is left.
Excessive oil in barrel, especially in long rifle barrel, could be dangerous
, when bullets travel through barrel, these oil could build up in front of
bullet and cause very high pressure inside barrel.
g****r
发帖数: 1607
29
internet 上说啥的都有
http://forums.1911forum.com/showthread.php?t=110755
“ Let me as a remington employee, and owner of a R5 clarify a few things
for you. I know for fact that the barrels on the R5 are not rock's barrels
the first few for the military contract M24 sniper rifles were, until we
could tool up or equipment to produce our own R5 rifling. The barrels are
not military barrels that did not pass our quality checks either, any
barrels that we produce that are not exactly to tolerance are imedi
m*****8
发帖数: 292
30
来自主题: GunsAndGears版 - 求高人指点
It is still assumed by many that the longer the shotgun barrel the farther
the gun will shoot, the more effectively it will perform, and the more
closely it will pattern. The facts are, however, whatever the gauge, barrel
length has small effect on the velocity of the shot charge. With modern
powders, the shot charge reaches maximum velocity after it has traveled a
relatively short distance up the barrel bore. (So longer length of barrel
does not make the pellets move faster or go farther.) Sinc... 阅读全帖
H**7
发帖数: 8624
31
来自主题: GunsAndGears版 - 重管步枪英文是什么?
heavy barrel
主要是热容量大和散热加快, 连续射击时弹道受枪管温度变化影响相对较小。 热容量增加使得相同时间内相同击发次数下枪管温度升幅减小, 由于枪管外径略为增加使得散热面积加大。 定量分析就是一个圆筒外径增加时体积和外表面积增加的情况。
另外枪管厚重对提高精度也有帮助, 子弹出膛前对枪管造成的随机位移比普通枪管要小, 因为质量大 (ft=mv)。 俺管这个随机误差源叫做“膛震偏移量”。
现在还讲究 barrel fluting, 就是在重管外侧开纵向浅槽, 增加散热面积, 减轻全枪重量。
所以如果应用场合是固定射点, heavy fluted barrel 对保证连续射击的精度有很大帮助。
走猎一般不用重管枪, 太不方便, 等发现猎物手累哆嗦了, 枪的精度再高没用, 射手的精度没了。 比如 Tikka T3 Hunter, 精度很高, 连续三发过后子弹就开始有点乱偏(以精度射击的要求), 做过试验, 每枪间隔 5 分钟, 就能保证连续精度。
下面列举在其它条件不变的情况下三类枪管的比较:

1)普通枪管
枪管热容量和散热面积最小, 精度射击间歇时间长,... 阅读全帖
n********r
发帖数: 25
32
来自主题: GunsAndGears版 - 新装了个AR下半身
多谢各位,真长知识了,加州也够斜门的,难怪搞这么烂。
Does 80% lower need to register or FFL? Anyone have experience?
Here is the law about SBR and length of any rifle in CA:
CA has its own definition of SBR in CA PC 12020(c)(2) , and includes
constructive possession phrasing.
12020(c)(2) As used in this section, a "short-barreled rifle" means any of
the following:
(A) A rifle having a barrel or barrels of less than 16 inches in length.
(B) A rifle with an overall length of less than 26 inches.
(C) Any weapon made from a ... 阅读全帖
s*******n
发帖数: 12995
33
The chamber (that part of the inside of the barrel of a gun, at the breech,
formed to accept the cartridge) is included when measuring the length of
pistol since the barrel and chamber are usually one piece.
measure revolver from the front face of the cylinder to the very end of the
barrel. The front face of the cylinder, which is just behind the crane or
the frame of the gun, is where the revolver barrel actually starts. The
cylinder itself is not included in the length of the revolver barrel.
S**********s
发帖数: 4534
34
来自主题: GunsAndGears版 - calguns.net上面有人组织saiga12 group buy

not easy, not recommended, and not a good idea.
but if you insist, here is an example of saiga 12 barrel removal:
"I just removed my barrel the other night. I removed the pin, and then drove
it out of the reciever by placing a block of teflon cutting board material
against the reciever and smacking it with a hammer. I alternated from one
side of the reciever to the other. I took my time and it came off no problem
. I removed it to get the barrell cut down and a hybird muzzle break/flash
hider p... 阅读全帖
f****a
发帖数: 4708
35
来自主题: GunsAndGears版 - 攒 AR Upper
手上的这套挪威司机(noveske)上下匣套装也有些年头了,一直想弄个轻便的,
浮动枪管的AR。最近打着给老大造枪的名义,装了一条新AR出来。
写下来,算给自己一个交待,也给枪版上的新手一点经验。老手们请砸砖!
AR,说是“造枪”,其实不如说是“攒”,如果天朝开放枪禁的话,肯定会有
一个“枪械城”的地方,密密麻麻到处人头攒动,店铺林立,有卖枪管的,有卖
枪机的,有卖护木的,铁瞄,LPK,扳机组,枪托等等不一而足。要买枪的,就
叫个小二,把单子配齐,在铺子里老虎钳,台钳,凿子,榔头乒乒乓乓一把,
高级点的估计可以现场跑到底下的靶场去HPT,“烤机”通过后就可以一手交钱
一手交货了。其实AR有一个国标在,标准化做得不错,所以用“攒”一词,以示
没有多少技术含量。
虽说可以自己攒个AR出来,但是火器毕竟是火器,自己攒的电脑爆掉不过
是块烧坏的主板电源。AR爆掉少则掉层胆,多则掉块肉,最坏丢掉小命也不是
没有可能。伤了自己算是自取,伤了无辜就太不厚道了。你说你没招谁惹谁,
去靶场打两枪却被隔壁的假冒伪劣AR kaboom打到,这太悲剧了。
所以小命第一。要选品牌枪管,品牌BCG,品牌弹药。攒好... 阅读全帖
k*******n
发帖数: 5546
36

谢谢大宝,我记住了,恩,Krieger.
有人猜测BCM的枪管就是Krieger Barrels分出来的Criterion公司做的,都在WI.
Criterion Barrels, Inc. was started in 1999 from Krieger Barrels, Inc. in response to demands of rifle builders
and firearms manufacturers for quality match grade barrels at a lower cost. Initially began as a division of
Krieger, Criterion is now a sister company- independent, yet sharing resources and continual support.
NST这个16" Lightweight 5.56mm "Stainless Barrel", 这NST是打比赛用的对吧?
z******r
发帖数: 185
37
来自主题: GunsAndGears版 - 乳鸽的轮子真的这么结实?
来,看看这个专门做大威力44 mag弹药的厂家怎么说的,S&W的东西还排不上号,这东
西不是拍拍脑袋想当然的事情
http://www.garrettcartridges.com/44hammerheadplusp.html
Garrett's 44 Mag +P Hammerhead Ammo
330-gr SuperHardCast Long-Hammerhead at 1400-fps from 7.5” barrel;
1275-fps from 4” barrel
RECOMMENDED FOR USE ONLY IN RUGER REDHAWK, SUPER REDHAWK, TAURUS RAGING BULL
, DAN WESSON, AND CUSTOM SINGLE-ACTION LONG-CYLINDERED REVOLVERS BUILT BY
HAMILTON BOWEN, GARY REEDER, AND JOHN GALLAGHER. THIS AMMO IS NOT
RECOMMENDED FOR USE IN ANY REVOLVER WITH A... 阅读全帖
t**********e
发帖数: 1590
38
来自主题: GunsAndGears版 - 新款P226, serial number??

楼主的照片看了。应该是打枪造成的。也许就是客服说的测试的时候造成的。我买的时
候,也感觉旧旧的。barrel的痕迹挺明显的。当时也想,barrel和slide都没有任何序
列号什么的。不过,最后一想,第一把枪,对实体枪了解还是甚少,反正自己打了也会
造成barrel上面的痕迹。也就算了。slide内侧有几组字母和数字。不过我想可能是
part no.不是什么序列号。
另外,全新glock的抢座,barrel,和slide是都有序列号的,而且全是一样的。至少我
买的glock17是这样的。同样的一个号码在抢座,barrel和slide上。拿到手的时候,可
以说99%新。glock特有的lubricant都在。还有出厂试验的两颗子弹也都在。从业余玩
家角度说,的确感觉比当初拿新sig的时候顺心。
x*7
发帖数: 11281
39
http://www.ar15.com/forums/topic.html?b=2&f=301&t=208500
We have three grades of Palmetto Barrel. 4140, 4150 and hammer forged. The
standard barrel is 4140, the premium is 4150, anfd the hammer forged is
awesome...
The FN barrel is an FN barrel. All of FN's barrels are premium...
http://www.ar15.com/archive/topic.html?b=2&f=301&t=208953
x*7
发帖数: 11281
40
来自主题: GunsAndGears版 - 二选一 bolt action
http://www.snipershide.com/forum/ubbthreads.php?ubb=showflat&Nu
quote:
So I just got off the phone with Mike @ Kreiger. He told me that the reason
they noted that is because 416 SS loses fatigue resistance at Zero degrees
and lower. He cited an example of a smaller contour, like a #4 in .300 Wby
mag, as being something you shouldn't do. He also noted that with the larger
tapers, it is less of a problem because they are so rigid. Chromoly does
not suffer this probelm at all.
and
Some custom barre... 阅读全帖
S**********s
发帖数: 4534
41
来自主题: GunsAndGears版 - 关于浮动枪管, 一点不解
Can't agree with that.
If that count as free float, then M14 is also free float, hell, even 1911s
will be free float.
This is a perfect example of free floating barrel. Nothing touches the
barrel, period.
This is another perfect example of free floating barrel
A folded dollar bill can be slided all the way down to the bore to confirm
that there's is space between the stock and barrel. The stock also has to be
rigid enough so that the weight of the gun will not bend the forearm to
touch the barre... 阅读全帖
c****x
发帖数: 1270
42
来自主题: GunsAndGears版 - 求推荐枪支使用,安全课程
Possibly the only topic to generate more arguments than politics is the
never-ending discussion of what qualifies as the “best” home-defense gun.
The truth of the matter is, no single shooting solution meets the needs of
every individual or household. Every firearm is an exercise in compromise.
Each platform has limitations to be considered carefully when making a
choice.
Many firearms can be useful for a variety of applications, such as target
shooting, hunting and concealed carry, as well as p... 阅读全帖
k*******n
发帖数: 5546
43
来自主题: GunsAndGears版 - 给想买Daniel Defense的童鞋们提个醒。
赞精神,这么多钟子弹也不少钱了。
1:7缠距就是为打重弹。不过一般买来LW不都是用来突突的吗?
单纯考虑管子精度,我记得杂乱看过一些,比如Mr Noveske指定PacNor用设备按要求做
出blanks,然后再自己完成不锈钢管子的最后成品工序。还有枪机和枪膛的fitting...
这里是LMT:
LMT- Lewis Machine and Tool. I just learned some interesting history about
LMT tonight. Apparently Karl Lewis was one of the founders of Eagle Arms,
which was a retail business run beside LMT until Eagle was sold to Mark
Westrom. Westrom later obtained the rights to the Armalite brand, and
combined the two. This info is from an article by Zak Smith... 阅读全帖
k*******n
发帖数: 5546
44
来自主题: GunsAndGears版 - 众兄,帮忙找跟枪管呗~~~
本来不想给大家添乱的,但想下月中旬回国前把枪管买好,预算$300块以内,下面这两
个随便:
--Rainier Arms Select 系列 16“ 5.56mm Barrel Mid-Length 1/8 Twist
Black Hole Weaponry Blanks
Polygonal rifled barrels
5.56 NATO Chamber
416R Stainless Steel
32.4 oz
http://www.rainierarms.com/?page=shop/detail&product_id=2267
http://www.JoeBobOutfitters.com/Rainier_Arms_Select_16_5_56_Bar
或者
--BCM 16" SS410 Barrel with Mid Length Gas 1/8 Twist
Criterion Barrels Blanks
5.56 NATO Match Chambers (USMC SAM-R Chamber)
410 Stainless Steel
http://www.bravoco... 阅读全帖
k*******n
发帖数: 5546
45
来自主题: GunsAndGears版 - 众兄,帮忙找跟枪管呗~~~
决定上Wylde Chamber 16" SS,看了几个,大伙高见?
--Global-Tactical-Supply RECON II BARREL 16.1" MIDDY GAS 5.56MM
IN STOCK $289.00
http://global-tactical.com/16inchmidlengthreconbarrel556mminsto
1:7
DOUGLAS BLANKS
4 OZ HEAVIER THAN STANDARD M4 16 INCH.
28+4=32oz ?
--Lilja-Nordic AR Rifle Barrel, Stainless 16"
Out Of Stock $299.00
1:8
Weight: 29.6oz
Made by Lilja Precision Rifle Barrels per Nordic specs.
--多花65块买Rainier UltraMatch™ 16“ .223 Wylde Barrel
$365.00
1:8
Shilen Blank
34oz.
--White Oak Armament ... 阅读全帖
k*******n
发帖数: 5546
46
来自主题: GunsAndGears版 - 装AR Upper需注意的细节流水账~~~
大概流程请参考youtube和fedora的帖子:
http://www.mitbbs.com/article_t/GunsAndGears/31427461.html
下面这些细节来源于ARFCOM,ytbe,还有和WOA的John,GTS的Denny的电话交谈,英文不好
,我只听懂一部分。反正一些细节能注意就注意下,自己也没啥损失...
兼听则明 偏信则暗,记录一下,供将来给自己参考,大拿有意见尽管拍我:
1)
Barrel Extension上,
Upper Receiver 和Barrel Nut罗纹之间
枪口罗纹和flash hider之间:
“应该” 都涂抹moly grease,防止罗纹之间锈死。
用何种grease? 参考:
http://www.ar15.com/forums/t_3_4/522029_.html
如果你用消音器adapter,枪口罗纹请用耐高温的Rocksett.
2)
Barrel Extension
Barrel 和 low profile gas block接触的地方
“可以” 涂抹薄薄的红色/蓝色 loctite, 类似于bedding,减少... 阅读全帖
f**s
发帖数: 2225
47
妈的,我最悲崔了,先用带碳的grease装好了
后来自己手欠,上网看看吧,结果一看,不得了,所有人都说会电化学腐蚀,也有人说
用碳的grease装了15年都没事,俺想想不对劲就给拆了。
买了aero shell 33MS。拆下来那个barrel nut懒得洗了,就拿把upper thread上的
grease擦了,换了个barrel nut。这一换不要紧,换的这个刚好在30 foot lbs的时候
齿过一点,用力拧了一下,到60磅还不够下一个口,上到80磅一下把齿奔了一个,我日
,太衰了
只好第二天又买了一个barrel nut。这个没问题40 foot lbs,装上了
这就是我装一个barrel用了3个barrel nut的故事,好在这东西不贵,不到10块一个,
枪管来还带一个
c****x
发帖数: 1270
48
来自主题: GunsAndGears版 - 我来问个入门问题:HK usp 9mm VS p226
The HK USP is probably the most thoroughly tested pistol ever produced. The
testing process of the USP, already extreme in exceeding strict NATO AC-225
Military Specification Standards, in many ways mirrors the regimen the HK
SOCOM pistol was subjected to .
The barrel of the USP is cold-hammer forged from high-grade chromium steel,
the same type of steel used in cannon barrels. During testing, a bullet was
deliberately lodged in a USP barrel. Another cartridge was then fired into
the obstructing... 阅读全帖
W********m
发帖数: 7793
49
来自主题: TexasHoldem版 - A high 也能赢钱..
I admit it is showing weakness. Lately after i review some of my hand
history. I realize I am focusing too much on aggression instead of pot control(I use to do pot control very well.), which caused a lot spewness and big swings. This is also because i didn't use the showdown value very well. AK is in fact not a bad hand here. If no one hit the flop, i should still be ahead. To bet here and only get worse hand to fold is not good enough to me in a 3 way pot. If they call, even if it is just a s... 阅读全帖
w*******y
发帖数: 60932
50
Link:
Description:
Smith & Wesson M&P Sport .223/5.56 - In-store at Cabela's - $599.99. Please
check your local ad to see if the same offer applies to your local Cabela's
store.
5R rifling with 1-in-8"-twist, 16" barrel. Adjustable sight. Six-position
stock. Magpul 30-round magazine. 03190942. Valid April 14th - 23rd. Click on
Visit Deal and navigate to page 14.
New for 2001 S&W .223 Sport
Model: M&P15 Sport
Caliber: 5.56 mm NATO
Capacity: 30 Round Detachable Magazine
Action: Semi-Auto
Barrel Le... 阅读全帖
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