Sharps Bros Hellbreaker AR-15 Lower Receiver Builders Kit with Rainier Arms Gen2 Upper and 15" Urban Combat Rail

This Sharps Bros builders kit provides you a Sharps Bros Hellbreaker Lower Receiver paired with a Rainier Arms Upper Receiver and Urban Combat Rail. This Kit will get you started on your next build. Hellbreaker Lower Receiver: Oversized integral trigger guards Beveled magazine flares A hard coat anodize finish per MIL-A-8625, the anodizing model for model for most military and aerospace products Full compatibility with all mil-spec internal parts Full compatibility with all other aftermarket mil-spec upper receivers Full compatibility with PMags, Hexmag and other standard capacity magazines Multi caliber mark Weight- 8.9oz Rainier Arms A4 Forged Upper Receiver - GEN2 Designed to fit our forged lower receivers with color, texture, & machining. These uppers are "T - marked" engraved and have extended M4 feed ramps. Rainier Arms Urban Combat Rail - 15" Rail- 6000 series extruded Aluminum Milspec Type 3 Class 2 Hard Black anodized Barrel Nut- 7075 Aluminum Type 3 Class 2 Hard Anodized 17-4