BUSHMASTER
- The Best. By A Long Shot!
Here's Why:
Barrels:
We machine our barrels from the best grade Chrome-Moly Vanadium
Steel - to military specification - and we offer more than 85
different configurations Our match heavy barrels are full
diameter from barrel nut to front sight base to improve heat
dissipation and decreases barrel whip in rapid fire. We rifle
almost all our barrels 1 turn in 9". The Gov't. originally
specified a 1 in 7" twist but we have found that the 1 in
9" twist gives the best results with the widest range of
ammunition, and will stabilize most bullets up to 72 grains.
Chrome Lined Bore & Chamber:
Chrome lining the bore and chamber completely protects it
against corrosion because the chrome is more than twice as hard
as the barrel steel - effectively doubling the barrel's life.
The lubricity of chrome (i.e. its slipperiness) reduces
friction, increases velocity, and aids in chambering and
ejection to help your weapon function better - longer. These
barrels also clean easier and quicker because of the chrome
lining - lead, copper and powder fouling simply does not adhere
as easily to the chrome, so you'll spend less time cleaning
after a day at the range. With any chrome lined barrel, you
should avoid leaving ammonia based solvents and bore cleaners or
pastes in long term contact (i.e. over-night soakings) with the
chrome lining as the ammonia can react with the chrome lining
and cause oxidation. Quick cleanings with any of these products
will not do any damage to your Bushmaster barrel.
Manganese Phosphate Finish:
We utilize the mil. spec. recommended protective finish for
steel in our manufacturing. This finish protects against
corrosion and rust, and produces the correct matte grey/black
military surface color. We do not paint any of our parts.
Forged Front Sights:
The front sight base is not a casting. Bushmaster uses only
steel forgings which are far superior in tensile strength. Your
weapon won't be disabled if you bang it against something!
Receiver Features:
We machine our receivers to fit together with two standard mil.
spec. push pins. This offers simple “tool-less” take down in
the field - no need for two screwdrivers as with some other
brands. We incorporate a brass deflector into the aluminum upper
receiver forgings for ejected shell control and a raised
“fence” area around the magazine catch button prevents
accidental release of the magazine - all per latest military
design specifications.
Rear Sights:
We use the standard mil. spec. A2 Dual Aperture Rear Sight which
incorporates adjusting knobs for both windage and elevation. Our
A2 sights feature 1/2" incremental windage adjustment at
100 yards instead of the older version which offered only
1" increments - additionally, the adjustment knobs on the
new A2 rear sight eliminate the need for a sight tool. The
beauty of the dual aperture flip-up is that the same sight can
offer both quick target acquisition (with the field aperture)
and fine distance sight picture (with the target aperture).
Stock and Grip:
We install the latest A2 standard trapdoor buttstock - which is
5/8" longer than the original A1 - for a mil. spec. trigger
pull length of 13.5 inches. The black thermoplastic pistol grip
has finger groove and serrated back for solid grasp.
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