H1 (Heavy) Buffer for your carbine, AR15, M4 Standard part for the M4 Carbine. The heavier weight buffer is used to slow down the cycle rate on carbine style AR rifles which helps lengthen receiver life. A heavyweight buffer could potentially increase performance on hotter loads by slowing the cycle rate enough to allow the magazine to ready a new round for the chamber.
- Overall Length:83.5mm (3.3 inch)
- H1 Weight:108g (3.8 ounce),1 Tungsten + 2 Steel Weights
- Main Material:6061-T6 aluminum alloy, steel, Tungsten etc
- Finish:Black, grey or golden etc matte
- One piece style more accurate
- Easy and quick installation
- Fit most .223Rem M / AR etc