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: A4 Carbine with Black Furniture
Caliber: .223/5.56 X 45 mm NATO
Barrel: 16" Double Lapped, Chrome Lined MIL-B-11595-E
Rifling Twist: RH 1:9 " 52-69 Grain Ammo
Muzzle Device: Permanently affixed Muzzle Brake
Front Sight Base: Gas Block with Picatinny Rail Top of gas block is .293 (+/-) lower than top of upper receiver
Upper Receiver: Forged Flattop with Picatinny 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 lbs
Finish: Hard Anodized Aluminum, Manganese Phosphated Steel
Accuracy: 2 - 2 1/2" MOA
Included with Rifle: One 10 Round Magazine, Owner's Manual, Limited Lifetime Warranty