f*********n
发帖数: 11154 | 1 看到了一篇给Sabre Defence M4写的review，跟大家分享一下：
http://www.gunsmagazine.com/webextra0111.html
I impatiently waited six weeks for my Sabre Defence M4 sample to arrive,
however, the wait was well worth it. The XR15A3 arrived in an Allen
padded rifle case, along with two, 30-rd magazines, and an Otis compact
cleaning kit. The M4 was everything I had hoped it would be, and as
already mentioned, about as close as possible to the genuine military M4
configuration one could hope for.
I also appreciated the CNC machined (and matched) upper and lower
receivers from 7075T-6 aluminum forgings. The oval hand guards also are
Mil-Spec with the aluminum heat shields inside. Forged front sight,
adjustable for elevation, A2 grip, and single stage military trigger,
along with the six-position collapsible stock. What you don't see on
many M4 clones is the M4 feed ramps allowing rounds from either side of
the magazine to feed smoothly into the chamber — making for trouble-free
feeding. Kind of important if you ask me. Of course, the flash
suppressor was attached to the end of the barrel; gotta have that on any
gun of this type.
The US Military M-16s and M4s have chrome-lined barrels and chambers.
This is great for hostile environments, and when guns don't get cleaned
when they should be on a regular basis. However, I elected to go with
the plain vanadium barrel, sans the chrome lining. Chrome-lined barrels
aren't quite as accurate as unlined barrels are. And, I wanted to wring
as much accuracy out of this M4 as possible. Besides, I don't see myself
engaging the Taliban in a protracted fire-fight anytime soon. My rifles
are rigorously maintained, so the chrome-lined barrel wasn't needed.
However, you can have your Sabre Defence in just about any configuration
possible - including a chrome-lined barrel and chamber, and in 6.5
Grendel caliber or in 7.62X39.
......
At 100 yards (over a rest) with the iron sights, I was able to print
groups right around the 1-inch mark, and that's as good as I can do with
open sights, on a good day, when everything is working for me. I used a
variety of Black Hills Ammunition fodder for my testing including the
following: 75-gr Match HP, 60-gr SP, 55-gr SP, 69-gr Matchking HP, and
in the reloaded BHA fodder, I used their 68-gr Heavy Match HP and 60-gr
V-Max. Best group went to the 69-gr Matchking HP that was just under an
inch. My "worst" group was with the 75-gr Match HP - if you can call a
group slightly over an inch a "bad" group. As an aside, my shooting was
a little worst with the red dot sight, then again, I think this is the
norm for a red dot sight, and it has nothing to do with the sight
itself. It's just the best you can expect with the red dot-type of
sighting systems on the market. One of these days, I'm gonna mount a
good 3X9 scope on this M4 and see what she can really do.
......
I should point out that my Sabre Defence M4 is chambered for 5.56mm
caliber, and not .223 like many clones are. There's a lot of confusion
on this front, and many people believe that 5.56mm and .223 Remington
are the same caliber — they are NOT! You can safely fire .223 Remington
in a 5.56mm chambered gun, but it's not always safe to fire a 5.56mm
round in a .223 Remington chambered gun-chamber pressures will be a lot
higher when firing a 5.56mm in a .223 Remington gun.
.......
As I'm writing this article, my Sabre Defence M4 sits next to my desk.
After more than 2,000 rds through it, it still looks about as new as the
day I received it. The only thing I've done is to clean it after each
range session. Again, I'm a bit meticulous when it comes to keeping a
clean gun. The fit between the upper and lower received is nice and
tight — no wobble — as is found in so many other M4 clones on the market
- a testament to a well-built gun if you ask me. | f****a
发帖数: 4708 | 2 我的middy upper就是sabre defense的。其他都好，就是BCG不是FA的，bolt只有MPI
batch test。
他家的lower的stock是commercial的，这个比较不好，换stock麻烦。
【在 f*********n 的大作中提到】
: 看到了一篇给Sabre Defence M4写的review，跟大家分享一下：
: http://www.gunsmagazine.com/webextra0111.html
: I impatiently waited six weeks for my Sabre Defence M4 sample to arrive,
: however, the wait was well worth it. The XR15A3 arrived in an Allen
: padded rifle case, along with two, 30-rd magazines, and an Otis compact
: cleaning kit. The M4 was everything I had hoped it would be, and as
: already mentioned, about as close as possible to the genuine military M4
: configuration one could hope for.
: I also appreciated the CNC machined (and matched) upper and lower
: receivers from 7075T-6 aluminum forgings. The oval hand guards also are
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