Pistol cal 40 S&W in an AR-15 platform with a 16in. barrel. Olympic Arms pistol cal models use standard AR-15 lower receivers that accept our polymer pistol cal magazines. 20 round magzine. One magazine ships with each rifle.
The K40 model includes:
- 1 Polymer Pistol Cal Mag
|Upper type:||Forged A2 w/ fully adjustable rear sight|
|Front sight:||Elevation adjustable post w/ bayonet lug|
|Handguard:||Fiberite carbine length caps|
|Barrel:||16”, button rifled, 416 Stainless steel|
|Bore:||Long-life non-chromed bore|
|Muzzle:||Pistol caliber flash suppressor|
|Stock:||M4, 6-point collapsible|
|Length/Weight:||31.625” / 6.73 lbs|
Threaded 5/8 x 24 tpi
All Olympic Arms pistol caliber carbines and upper conversions are BLOW-BACK operated, and are NOT a delayed direct gas impingement system.