The addition of
weight to the carrier slows its rearward
start upon action cycling. Technically, it
increases the "moment of inertia," but
that simply means that the rifle will stay
"locked" a little longer. This additional
time reduces the influence of pressures on
the cartridge case and also softens
rearward carrier movement. The result is
better brass life, fewer "pressure
problems," and greater flexibility in
velocities attainable using all bullets --
especially the heavier bullets used in
High Power Rifle competition.
There is also
noticeably less rifle movement during
firing and longer parts life from a softer
recoil pulse. The rifle stays on target
better, effectively giving the shooter
more time to focus on shooting a higher
score.
CWS improves
rifle function, so there are no worries
about extraction or feeding failures (as a
matter of fact, a well-known tester found
that a 40-grain bullet load that wouldn't
cycle in his AR15 worked flawlessly after
he installed CWS). CWS in no
way affects the amount of gas available to
operate the rifle.
CWS also
incorporates an 0.080 inch thick flange
that serves to secure it in the bolt
carrier, but this also significantly
reduces carrier overrun past the bolt
stop. Reducing the distance the carrier
must return to engage the bolt stop
extends the life of this part and further
reduces the amount of rifle movement
apparent to the shooter. This is of
special help to the AR-10/SR-25 owner
since these rifles are notorious for
breaking bolt stops.
This little part
provides a majority of what extensive (and
expensive) gas system modifications
accomplish (such as relocating the gas
port) but it's easily and "legally"
installed in a Service Rifle. It even
further enhances the performance of a
longer-barreled Match Rifle, whether or
not gas system modifications have been
made.
|
|
|
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CWS
Specifications
|
|
|
Weight,
CWS carrier only
|
1.54
ounces
|
|
Weight,
CWS w/stainless steel
insert
|
2.79
ounces (1.25 insert
weight)
|
|
Weight, CWS
w/tungsten carbide
insert
|
4.05
ounces (2.51 insert
weight)
|
|
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