RUG AR-556 MPR 450BUSH 18.63 TB 15 MLOK 5RD

Caliber: 450 Bushmaster – Stock: Black Synthetic Collapsible – Handguard: Free-Float M-LOK® – Sights: None – Barrel Length: 18.63 – Thread Pattern: 11/16-24 – Twist: 1:16 RH – Capacity: 5 – Finish: Type III Hard Coat Anodized – Height: 7.30 – Weight: 7.4 lb. – Overall Length: 35.60 – 38.90 – Length of Pull: 11.10 – 14.40 – Grooves: 5 – Also includes: One Magazine – Lower receiver is fitted with Magpul® MOE® grip and MOE SL™ collapsible buttstock on the Mil-Spec buffer tube. – Handguard is free-floating for accuracy and the slim 15 length provides enhanced ergonomics and support. – Flattop upper receiver includes an enlarged window for easy ejection as well as forward assist dust cover and brass deflector. CNC-machined from Mil-Spec forging and Type III hard coat anodized for maximum durability. – Bolt is machined from high-strength superalloy more than 50% stronger than traditional MSR bolt materials and engineered with tapered lugs to support the large case head of .450 Bushmaster ammunition. – The Ruger® Elite 452™ AR-Trigger is a two-stage trigger that offers a smooth crisp 4.5 pound trigger pull. It features a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a 30% faster lock time over standard MSR triggers. – Carbine-length gas system provides the most reliable function with .450 Bushmaster ammunition. – Magpul® M-LOK® accessory attachment slots along the 3:00 6:00 and 9:00 positions with additional slots on the angled faces near the muzzle. – Cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise 5R rifling and black nitrided finish provides exceptional accuracy longevity and easy cleaning. The 1:16 twist rate maximizes accuracy with bullets ranging from 170 to 260 grains. – Chrome-plated bolt carrier inside diameter and chrome-plated gas key inside diameter provide exceptional resistance to hot gases. The gas key is staked so that it will not loosen after extensive firing. – Ruger® muzzle brake is a radial port design that significantly reduces felt recoil and muzzle movement. The 11/16-24 threaded barrel allows for standard muzzle accessories to be installed. – Also includes: One 5-round metal box magazine.

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