LBE Unlimited Front Sight Base – AR-15/M4 Gas Block Replacement

The LBE Unlimited Front Sight Base is a direct replacement for standard AR-15 and M4 carbine front sight assemblies.

• Type: F-Marked Front Sight Base / Gas Block
• Compatibility: AR-15/M4 with .750" gas journal
• Material: Steel
• Gas System: Carbine or Mid-Length
• Sight Post: Accepts standard A2 front sight posts
• Mounting: Taper pins (included)
• Finish: Parkerized
• Kit Includes: Front sight base, taper pins, gas tube roll pin