Ruger 8522 AR-556 MPR 450 Bushmaster 18.63" 5+1 Black Hard Coat Anodized Adj Magpul MOE SL Stock
Ruger 8522 AR-556 MPR 450 Bushmaster 18.63" 5+1 Black Hard Coat Anodized Adj Magpul MOE SL Stock
MPN: 8522
| UPC: 736676085224
PRODUCT DESCRIPTION
Ruger 8522:
RUGER® AR-556® MPR .450 BUSHMASTER • Built to support .450 bushmaster ammunition with a high-strength superalloy bolt with tapered lugs & an enlarged ejection port • Carbine-length gas system • Ruger® Elite 452™ AR-Trigger (2-stage/4.5 lb. pull) • Full-strength hammer spring for consistent primer ignition • Lightweight hammer enables a 30% faster lock time over standard MSR triggers • Threaded muzzle • Ruger® muzzle brake with radial port design • 1:16 RH twist • Free-floating 15" slim handguard with full-length Picatinny top rail & M-LOK® accessory slots along the 3:00 6:00 & 9:00 positions with additional slots on the angled faces near the muzzle • Magpul® MOE® black grip & MOE SL™ collapsible black buttstock • MIL-SPEC buffer tube • Includes 5-round metal box mag • OAL: 35.6" - 38.9" • Wt.: 7.4 lbs.
AR-556® SHARED FEATURES • Gas operated semi-auto • Type III hardcoat anodized 7075-T6 aluminum flat top upper receiver with forward assist dust cover & brass deflector • 9310 alloy steel bolt shot peened & pressure tested • Matte black oxide finished chrome-plated bolt carrier & gas key (staked) • Matte black nitrided cold hammer-forged chrome-moly steel barrel with ultra-precise 5rd rifling • Enlarged trigger guard