Extended Carbine Buffer Tube Kit

Extended Carbine Buffer Tube Kit w/STD, H1, H2, H3, or H4 buffer

Upgrade or build your AR-15/M4 with our AR-15 Extended Carbine Buffer Tube Kit, engineered to deliver smooth cycling, reduced recoil, and unmatched durability. Designed for extended carbine length buffer systems, this complete kit provides all the essential components you need for reliable operation. 

Kit Includes: 

• Extended Carbine 7-Position Buffer Tube (plain or laser-etched)
• Extended Carbine Buffer – STD, H1, H2, H3, or H4
• Carbine Recoil Spring  
• End Plate – MIL-SPEC steel, ensures secure attachment. 
• Castle Nut – Heat-treated steel, locks buffer tube in place. 

Specifications: 

• Buffer Tube Material: 7075-T6 aluminum
• Buffer Tube Finish: Type III Hardcoat anodized
• Buffer Material: 6061 T-6 (black or gold) or 7075-T6 aluminum (black only)
• Buffer Weight: 3.8 oz, 4.6 oz, 6.5 oz, or 8.0 oz
• Buffer Finish: Type III Hardcoat anodized (black or gold)
• Buffer Length: 4.05”
• Spring Type: Carbine Length Recoil Spring
• Compatibility: AR-15/M4 with carbine-length buffer system