The Primary Weapons Systems AR-15 Enhanced H4 steel Body carbine buffer - 6.8oz stands as the pinnacle of buffer weights offered by PWS, meticulously crafted for optimal performance in suppressed firearms. This robust buffer is constructed from 4140 stainless steel, renowned for its strength and durability and features a distinctive fluting pattern that sets it apart. The innovative FNC LIFE HD treatment enhances the buffer's surface, ensuring superior lubrication and minimizing friction. This design not only reduces wear but also facilitates the effortless expulsion of debris, promoting smoother cycling and extending the lifespan of your firearm. Compatible with most AR-15 carbine-length buffer systems, this buffer is an essential upgrade for those seeking to elevate their shooting experience with enhanced reliability and performance. Constructed from 4140 stainless steel FNC LIFE HD finish Distinctive fluting design Compatible with carbine length AR-15 buffer systems