The most versatile M-15 Rifle Model Available. When the rifle application calls for compact over-all length without sacrificing close quarters accuracy and platform flexibility for sight selections, the ArmaLite M-15A4 SPR Carbine is the Special Purpose Rifle model to fulfill the requirements.
The ArmaLite designed mid-length handguard and gas tube technology provides an optimal gas pulse to power the 16" system so reliablity is never an issue.
*Sights,Scopes, and mounts not included with Rifles
.750 at the journal (under the gas block)
Length of Pull: 14 1/2"
Model: M-15 post-ban carbine
Caliber: 5.56X45 mm / .223
Barrel: 16" double lapped, chrome lined MIL-B-11595-E
Rifling Twist: 1:9 " RH, 52-69 Grain Ammo
Muzzle Device: Permanently affixed muzzle brake
Front Sight Base: Gas block with MIL-STD 1913 rail. Top of gas block is .293 (+/-) lower than top of upper receiver
Upper Receiver: Forged flat-top with MIL-STD 1913 rail & laser engraved rail numbering, 7075-T6 aluminum
Lower Receiver: 7075-T6 aluminum (forged)
Trigger: Tactical two-stage, 1st stage 3.5 lbs. - 2nd stage approximately 5-6 lbs.
Stock: Pinned non-collapsing buttstock
Overall Length: 35.6"
Weight: 7.0 lbs.
Finish: Hard anodized aluminum, manganese phosphated steel
Included with Rifle: One 10-round magazine, owner's manual, limited lifetime warranty