The Ruger AR556 MPR features an 18" PROOF Research carbon fiber wrapped barrel that is both attractive and significantly lighter than standard barrels, while offering excellent accuracy and repeatability. Other features are a rifle-length gas system paired in .223 Wylde, a well-established chamber geometry that safely, accurately and reliably functions with both 5.56 NATO and .223 Remington ammunition; Magpul PRS Lite stock that balances the rifle and has secure length of pull and comb height adjustments for the best fit; Magpul MOE-K2 grip; 15" length M-LOK handguard; Ruger Elite 452 AR-Trigger is a two-stage trigger that offers a smooth, crisp, 4.5 pound trigger pull; full-strength hammer spring for consistent primer ignition and a lightweight hammer that enables a faster lock time for improved accuracy; 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; Ruger muzzle brake is a radial port; threaded barrel; 7075-T6 aluminum flat top upper receiver includes a forward assist, dust cover and brass deflector. Includes one 30rd Magpul PMAG magazine.
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| Capacity: | 30+1 |
| Barrel Finish: | Carbon Fiber |
| Stock Finish: | Black |
| Barrel Material: | Steel |
| Magazine Type: | AR-15 |
| Barrel Length Range: | 18" to 18.99" |
| Stock Finish Group: | Black |
| Includes: | Magazine |
| Gun Platform: | AR-Style |
| Receiver Description: | Picatinny Rail |
| Weight Range: | 7 lbs to 7.99 lbs |
| Weight: | 7.40 lbs |
| Receiver Finish: | Gray Cerakote |
| Barrel Description: | Proof Research/Threaded |
| Thread Pattern: | 1/2"x28 |
| Grooves: | 4 |
| Hand: | Right Hand |
| Trigger: | Ruger Elite 452 |
| Receiver Material: | 7075-T6 Aluminum |
| Barrel Length: | 18" |
| Grips: | Black Magpul K2 |
| Muzzle: | Muzzle Brake |
| Stock Description: | Magpul PRS |
| Safety: | Safety Selector Switch |
| Length of Pull: | 13.88"-15.25" |
| Stock Material: | Synthetic |
| Series: | MPR |
| Twist: | 1:8" |
| Trigger Pull Weight: | 4.50 lbs |
| Handguards: | 15" M-LOK |
| Caliber: | 223 Wylde |
| Action: | Semi-Auto |
| Metal Finish Group: | Blued/Black |
| Sights: | None |
| Operating System: | Direct Impingement |
| OAL: | 37.63"-39" |
| Max Capacity: | 30 |
| Model: | AR-556 |
