The CMMG Front Sight Base Assembly F combines a low-profile gas block with an integrated A2-style front sight post for AR-15 and M4 pattern rifles.
- Type: Front Sight Base / Gas Block Assembly
- Platform: AR-15/M4
- Gas System: Carbine-length (F-marked)
- Barrel Diameter: .750″
- Sight Style: A2 Fixed Post
- Material: Steel
- Mounting: Pinned (taper pins required, not included)
- Features: Integrated sling swivel mount










