Bravo Company BCM AR-15 SBA3 Pistol Lower Group 5.56 NATO Black AR-15 Lower Receiver

A: Jimmy, Yes slap an upper on and your ready to go. All you need is complete upper and magazine. All US made parts. BCM PNT Trigger. Low shelf for accu wedge use.

A: yes it is a complete lower specs BCM AR-15 Complete Pistol Lower Receiver (Black) Specifications and Features: LRG-SBA3-BLK Multi-Caliber Compatible BCM4 PNT Semi Auto Fire Control Group Forged 7076-T6 Aluminum Lower Receiver Receiver Hard Coat Anodized per Mil-A-8625F, Type III, Class 2 7075-T6 Receiver Extension Carbine H Buffer BCM Mod 3 Pistol Grip BCM PNT Trigger BCM QD Sling Mount End Plate BCM Enhanced Trigger Guard SB Tactical SBA3 Pistol Stabilizing Brace AR-15 Magazine Compatible Staked M4 Lock Nut USGI H Buffer (1 USGI Tungsten, 2 Steel) Lo w Shelf for RDIAS Installation Low Shelf for Accuwedge Use Fire Controls Marked SAFE and SEMI All BCM Products and accessories are 100% made in the USA Approximate Weight 1lb. 12oz Matte Black

A: Jimmy, Yes it is complete. Put an upper on and your ready to go. All US made parts. BCM PNT Trigger. Low shelf for accu wedge use.

A: Jimmy, yes Sir, slap on your upper, insert loaded magazine, chamber a round, select fire and you are "Hot" to rock-n-roll.

A: Brian, yes Sir it will. You will have no issues with .300 BO uppers. Cheers!