HK416, MR556 Enhanced Buffer Tube - Tan

Tan HK 416, MR556 OTB (over the beach) Buffer Tube, Receiver Extension - Commercial

Genuine HK German-manufactured 416 & MR556 latest generation, marine environment & and over-the-beach buffer tube. Each commercial buffer tube features built-in drainage holes on both the rear and bottom to maximize efficiency. Each buffer tube has ball bearing rollers to tighten the stock when locked in position. This helps smooth the sliding action when changing between the 6 positions that also eliminates any back and forth sway from the stock. 

Compatible With:

• All HK 416/MR556 E1 or E2 commercial stocks
• Any commercial AR-15 stock