ArmaLite AR-10 A4 10A4CBN1913

Caliber: .308/7.62 X 51mm NATO
Barrel: 16" Double Lapped, Chrome Lined, Threaded 5/8x24, 4140 Steel
Rifling Twist: RH 1:11.25" 150-175 Grain Ammo
Muzzle Device: Flash Suppressor
Front Sight Base: Picatinny Rail Gas Block. Top of gas block is .398 (+/- .010) lower than top of receiver
Upper Receiver: Forged Flat Top Receiver with Picatinny Rail and Forward Assist 7175-T74 Aluminum
Lower Receiver: 7175-t73 Aluminum (forged)
Overall Length: 35" / 38.25"
Weight: 7.75 lbs
Finish: Anodized Aluminum Upper/Lower Receiver, Manganese Phosphated Steel Barrel
Accuracy: 2 - 2 1/2" MOA
Included with Rifle: 2-20rd Armalite aluminum Magazines, 1-5rd Armalite aluminum Magazine (this model does not take 3rd party mags), Universal Sling, Sling Swivel Mount, Owners Manual, Limited Lifetime Warranty, Black Hard Case