Sbm4 Stblzng Brace Pstl Tube Lckng Collar

Unique locking collar to keep the SBM4TM Pistol Stabilizing Brace from rotating or moving forward.

Specifications:

Fits: Pistol Buffer Tubes Upto 1.185" Diameter Tubes
- Material: 6061 Aluminum
- Color: Black

Note: Will Not Fit Phase 5 Tube