Product Reviews for RB-T6BFH2 - H2 Carbine Buffer 4.6 oz Heavy H2 Carbine Buffer 4.6 oz Heavy by Robert (2024-03-21 20:06:37) Rating: 5 / 5 - 5 - Excellent Owned Product for: more than 1 year Pros: This H2 Carbine Buffer 4.6 oz fit nicely and, more significantly, provided me with a smooth cycle and softer recoi high quality Buffer and good price. Cons: Other thoughts: Fits perfectly and weights precisely at 4.6.