DPMS AR15 B5 SBA3 Pistol Features The DPMS AR15 B5 SBA3 Pistol runs a direct impingement operating system paired with a full-auto profile bolt carrier giving the pistol a smooth reliable cycle across a range of 5.56 NATO ammunition. Its 10.5 inch chrome moly vanadium barrel features a 1 in 7 twist rate which stabilizes heavier bullet weights for better long-range performance from a short-barreled platform. The threaded rifled barrel is capped with an A2-style muzzle device and the pistol-length gas system is matched specifically to the shorter barrel for reliable function. An internal hammer firing system and a manual safety round out a dependable field-ready operating system. The forged 7075-T6 aluminum receiver keeps the gun durable while holding down overall weight an important balance on a compact pistol meant for maneuverability. A fang flat trigger improves trigger feel over a standard curved trigger giving shooters a more consistent predictable break shot after shot. The B5 pistol grip provides a more ergonomic secure hold than many factory grip options and the MLOK Picatinny forend rail gives shooters room to mount lights lasers or other accessories. Shooters looking for a compact reliable AR pistol with upgraded ergonomics will find the DPMS AR15 B5 SBA3 a strong choice for range use or home defense. DPMS AR15 B5 SBA3 Pistol Specifications Manufacturer: DPMS Model: AR15 B5 SBA3 Pistol Action: Semi-Automatic Caliber: 5.56 NATO Capacity: 30+1 Barrel Length: 10.5 Barrel Description: Chrome Moly Vanadium 1-7 Twist Gas System: Pistol Length Operating System: Direct Impingement Firing System: Internal Hammer Safety: Manual Safety Trigger: Fang Flat Trigger Grip: B5 Pistol Grip Frame Material: Forged 7075-T6 Aluminum Forend Rail: M-LOK Picatinny Muzzle: A2-Style Magazine Type: Polymer AR Style Magazine Color: Black Available At: GrabAGun