f******u
发帖数: 767 | 1 AR15的部件该是按mil-spec生产, 具有互换性.
但为何在DPMS AR-15 Operation Manual
DANGEROUS PROCEDURES一项里专门列出: 2. DO NOT exchange or switch bolt
assemblies from one rifle to another. It could cause personal injury to you
and others and damages to your rifle.
难道是怕有民工打磨出的BCG部件? |
c**d
发帖数: 3888 | 2 i think it has to do with head-spacing. You can google it. It's ok to put
new bolts in new chambers, and let them wear each other out. But not OK mix.
incorrect head spacing can cause the barrel to explode |
k**0
发帖数: 19737 | |
f******u
发帖数: 767 | 4 very informative!!!! thanks a lot.
Now I understand why the manufacture always claim their products are
headspaced and test fired when I order a rifle or kit
put
mix.
【在 c**d 的大作中提到】
: i think it has to do with head-spacing. You can google it. It's ok to put
: new bolts in new chambers, and let them wear each other out. But not OK mix.
: incorrect head spacing can cause the barrel to explode
|
c**d
发帖数: 3888 | 5 A word of advice -- do not let your local gunsmith check the head-space of
your AR-15. Especially DO NOT let them do any work on it. If you have
questions, always contact the manufacturer first.
【在 f******u 的大作中提到】
: very informative!!!! thanks a lot.
: Now I understand why the manufacture always claim their products are
: headspaced and test fired when I order a rifle or kit
:
: put
: mix.
|
f******u
发帖数: 767 | 6 sounds like different brand of dry milk, with different level of melamine .
=)
【在 k**0 的大作中提到】
: 不同制作商, 手工不同吧
|
c**********d
发帖数: 2428 | 7 Headspacing is important, but not scary. Usually the bolt is headspaced pair
with the barrel. However, mismatch happened alot and if you have need to do
so, simply buy an headspacing gauge and check it for yourself. As far as I
know, new milspec bolt are fine to drop in an milspec barrel and ready to go
right away. The rule of thumb is, when in doubt, check it yourself. |
T******g
发帖数: 21328 | 8 usually there are three types of headspace gages: go, no-go, field
go and no-go are sufficient for most civilian usage |
H****r
发帖数: 16240 | 9 常见厂商的AR部件都是mil-spec的吗？
you
【在 f******u 的大作中提到】
: AR15的部件该是按mil-spec生产, 具有互换性.
: 但为何在DPMS AR-15 Operation Manual
: DANGEROUS PROCEDURES一项里专门列出: 2. DO NOT exchange or switch bolt
: assemblies from one rifle to another. It could cause personal injury to you
: and others and damages to your rifle.
: 难道是怕有民工打磨出的BCG部件?
|
f******u
发帖数: 767 | 10 some parts are not, such as RRA collapsible stock buffer tube will not fit
Magpul CTR stock
【在 H****r 的大作中提到】
: 常见厂商的AR部件都是mil-spec的吗？
:
: you
|
H****r
发帖数: 16240 | 11 我记得.223 Rem和5.56 NATO的规格还是有差别，
很多.223的栓动步枪特别说了别用5.56军剩弹
是不是有AR结构的商业枪为了精度起见，是按照.223 Rem来chamber的？
【在 f******u 的大作中提到】
: some parts are not, such as RRA collapsible stock buffer tube will not fit
: Magpul CTR stock
|
f******u
发帖数: 767 | 12 From Wiki:
With the U.S. military adoption of the ArmaLite AR-15 as the M16 rifle in
1963, the .223 Remington was standardized as the 5.56x45mm. |
q**u
发帖数: 12289 | 13 有，但是枪管上都会标明。
【在 H****r 的大作中提到】
: 我记得.223 Rem和5.56 NATO的规格还是有差别，
: 很多.223的栓动步枪特别说了别用5.56军剩弹
: 是不是有AR结构的商业枪为了精度起见，是按照.223 Rem来chamber的？
|
q**u
发帖数: 12289 | 14 nato标准和saami标准还是有区别的。
【在 f******u 的大作中提到】
: From Wiki:
: With the U.S. military adoption of the ArmaLite AR-15 as the M16 rifle in
: 1963, the .223 Remington was standardized as the 5.56x45mm.
|
