Rainier Arms Custom
We are proud to offer our RUC Complete Lower Receiver made from 7075-T6 forged aluminum with black hard coat anodized with a surface hardness of 60 Rockwell. Machined per mil-spec with critical tooling dimensions held within .001. This lower is found as standard issue on our Urban Carbine. Own the best forged lower money can buy with the upgrades for usability.
- 7075 T6 - 6 position Milspec buffer tube - properly staked
- Heavy Buffer
- Battle Arms Development - Ambidextrous Safety Selector - Short Throw (BAD-ASS-ST) for the SPECIALIZED 45°
- MFT Battlelink Minimalist Stock
- ALG QMS trigger
- Fortis QD End Plate
- Magpul MOE Trigger Guard
- MFT Engage AR15 Pistol Grip
**Substitutions are not allowed. 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.
|SKU||RA:LOWER COMPLETE RUC BLK|
|Manufacturer||Rainier Arms, LLC|