Product Features & Specifications

Ruger 8522 AR-556 MPR 450 Bushmaster 5+1 18.63" 4140 Chrome-Moly Steel Barrel, Hard Coat Anodized Finish, 15" Free-Float Handguard, Magpul MOE SL Adjustable Stock & Grip, Elite 452 Two Stage AR-Trigger

Ruger's AR-556 MPR rifle has a rifle-length gas system which provides smoother operation and reduces felt recoil.The matte black oxide chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter provides exceptional resistance to hot gases.

Its lower receiver is fitted with Magpul MOE grip and a Ruger Elite 452 two-stage AR-trigger which offers a smooth, crisp, 4.5 pound trigger pull.The flattop upper receiver is made from forged aerospace-grade 7075-T6 aluminum, and includes a forward assist, dust cover and brass deflector.

Its handguard is free-floating for accuracy and features Magpul M-LOK attachment slots along the 3, 6 and 9 positions.The threaded, cold hammer-forged, 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning.

The barrel also provides M4 feed ramps which improves operational reliability, while the matte black nitride finish provides corrosion resistance.The AR-556 MPR has a Magpul MOE SL collapsible buttstock on the Mil-Spec buffer tube.

Brand	Ruger
Model	AR-556 MPR
Caliber	450 Bushmaster
Barrel Length Range	18" to 18.99"
Gun Platform	AR-Style
Operating System	Direct Impingement
Stock Finish Group	Black
Capacity	5+1
Stock Material	Synthetic
Action	Semi-Auto
OAL	35.60"- 38.90"
Hand	Right Hand
Sights	Optic Ready
Barrel Finish	Black
Muzzle	Muzzle Brake
Twist	1:16"
Magazine Type	AR-15
Grips	Black Magpul
Handguards	15" M-LOK
Receiver Material	7075-T6 Aluminum
Thread Pattern	11 / 16"x24
Stock Description	Magpul SL
Barrel Description	Heavy
Barrel Length	18.63"
Length of Pull	11.10"-14.40"
Max Capacity	5
Receiver Finish	Black Hard Coat Anodized
Trigger	Two-Stage
Weight	7.40 lbs
Stock Finish	Black
SKU	8522
UPC	736676085224
MPN	8522