SB Tactical AR-15/M4 Stabilizing Pistol Brace SBA3
This is what Charlie's uses in our custom pistol builds
Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is 5-position adjustable, dramatically enhances versatility, and features a minimalist design with an integral, ambidextrous QD sling socket.
Features:
Note: This does not include the AR receiver extension (buffer tube) Does not come in retail packaging.