Armalite M15A4B Special Purpose Semi Automatic Rifle .223 Remington/5.56x45mm NATO 20" Heavy Barrel 30 Rounds Black A2 Buttstock Black Anodized Finish. The ArmaLite M15A4 SPR line is an efficient platform on which to build multiple sighting options. The M15A4 offers the flexibility of the picatinny rail, applied to the time-honored service rifle model. Light recoiling and dead on accurate, the M15A4 Special Purpose Rifle line accepts ArmaLite's removable iron front sight, carry handle and scope mounts, as well as other devices conforming to the MIL-STD 1913 (picatinny) rail. Comes with one 30 round magazine, sling, owners' manual, and a limited lifetime warranty. Specifications/features: ArmaLite M15A4B Special Purpose semi automatic rifle .223 Remington/5.56x45mm NATO 20" chrome-lined HBAR barrel with flash suppressor 1:9" RH twist 30 round magazine Rifle length gas system Tactical Two Stage trigger - 1st stage approximately 3.5lbs, 2nd stage approximately 5-6lbs Forged flat top upper receiver, laser T-marked Anodized aluminum upper and lower receivers, manganese phosphate steel barrel Gas block with picatinny rail Black A2 buttstock Two-piece, black plastic handguards 39.5" overall length 7.8 lbs
