- 18" SPR 5.56mm Stainless Barrel
- 1 in 7" twist polygonal rifling
- Extended Feed Ramps
- Beadblasted finish on barrel
- Intermediate gas system
- 1/2x28 threads
- Low-profile gas block pinned to barrel
- Gen III Upper Receiver
- 15" Noveske Quad Rail w/ 1913 rails
- Shot peened and MP tested bolt
- Auto carrier with properly staked carrier key
- Raptor Ambi charging handle
- Back Up Front & Rear Sights - Included
- Gen III Lower receiver
- AAC Blackout non-mount flash hider
FFL Required Before Shipping.
Please have your dealer email their license to FFL@rainierarms.com or they can also fax it in. Please give us a few days to process the information.
For your convenience we have published a set of installation instructions for this product. The instructions are in Adobe Acrobat's Portable Document Format (PDF). You will need Adobe Acrobat Reader version 5.0 or higher to view and print the instructions.
If you do not have Adobe's Acrobat Reader, you can download a free copy athttp://www.adobe.com/acrobat/readstep.html.