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Bushmaster AR-15 DCM

Bushmaster has designed a rifle for the serious DCM
Competition Shooter. In keeping with DCM (Department of
Civilian Marksmanship) High Power Competition Rules, this rifle
looks like a “stock AR-15” type rifle, but includes all the
modifications and upgrades that will give you a competitive
edge. All the features built into this superb competition rifle
result from years of observation and discussions with
competitors at the Camp Perry National High Power Matches.
These special accurizing features include:
• The M16A2 Dual Aperture Rear Sight is specifically modified to
accept interchangeable apertures available in four sizes to suit
the competitor’s vision and preference… .036"; .040"
(Standard); .046" or .052" diameter. Additionally, the sight can
be configured for a choice of 1/2" or 1/4" Minute of Adjustment
for both Windage Knob and Elevation Drum.
• The Competition Front Sight is specially ground on three sides
for optimum clarity, and is available in the shooter’s choice of
two widths (.052",or .062"). It is secured within the front sight
base by a set screw to avoid the possibility of any movement
once the rifle has been “zeroed”.
• The 20" Bushmaster Extra Heavy Competition Barrel is a full 1"
diameter under the free float tube, and is precision button
rifled 1 turn in 8" – right hand twist – 6 lands and grooves. The
Barrel material is ChromeMoly Vanadium Steel, and the Firing
Chamber is machined to SAAMI specifications. It is lead lapped
and hardened to Rockwell C26 to 32. Unlike many other
Bushmaster Barrels, this barrel is not Chrome lined.
• In the Upper Receiver, the Bolt is carefully matched to the
Barrel Extension Lugs for precise lockup, maximum strength
and optimum accuracy.
• The Lower Receiver houses a finely honed Two Stage Competition
Trigger that is factory set for a 3.5 lb. first stage and a 1 lb.
let-off (second stage). This 4.5 lb. total trigger pull meets
CMP/NRA competition regulations.
• The handguard set looks like government issue parts, but is
actually a Competition “Free Floater” Tube (handguard
tube/barrel nut combination). It does not contact the Barrel
forward of the Receiver. A sling swivel is attached to the
forward end of the tube to avoid any possibility of deflection or
pressure on the barrel that could degrade accuracy.
• The Buttstock has been improved for competition with the
addition of a 3.62 lb. lead “Counterbalance Weight” which
can be trimmed by the competitor to achieve a comfortable
balance and solid feel.
Caliber ....................................5.56mm or .223 Rem
Operation ...............................Gas Operated / Semi-Automatic
Magazine Capacity .................10 Rounds (accepts all M16 / AR15 type)
Overall Length ........................38.5” [97.8 cm]
Barrel Length ..........................20” [50.8 cm]
Rifling .....................................1 turn in 8” [20.3 cm] R.H. Twist / 6 grooves & lands
Weight w/o Magazine ............13.06 lbs. [6.3 kg]
Weight w/o Buttstock Insert 9.6 lbs. [4.35 kg]
also have two 30 round and one 10 round mags and a few rounds of ammo.

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