Ruger's AR-556 MPR is made from 7075-T6 hard-coat anodized aluminum forgings, shot-peened and proof-tested 9310 steel bolt and 8620 steel bolt carrier. It features a Magpul MOE grip and MOE SL collapsible buttstock on a Mil-Spec buffer tube; a 15" handguard that uses 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; The Ruger Elite 452 AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull; a full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a faster lock time for improved accuracy; threaded, cold hammer-forged 4140 chrome-moly steel barrel with ultra-precise rifling provides exceptional accuracy, longevity and easy cleaning. Includes one 5rd metal magazine.
| Stock Description |
Magpul SL |
| FireArm |
yes |
| Metal Finish |
Black Hardcoat Anodized |
| Action |
Semi-Auto |
| Barrel Description |
Threaded |
| Muzzle |
Muzzle Brake |
| Caliber |
350 Legend |
| Weight Range |
6 lbs to 6.99 lbs |
| Sights |
None |
| Hand |
Right Hand |
| Stock Finish Group |
Black |
| Metal Finish Group |
Blued/Black |
| Weight |
6.60 lbs |
| Receiver Material |
Aluminum |
| Barrel Length Range |
16" to 16.99" |
| OAL |
33.38"- 36.63" |
| Barrel Length |
16.38" |
| Twist |
1:16" |
| Capacity |
5+1 |
| Trigger |
Two-Stage |
| Safety |
Thumb |
