The KynSHOT Heavy Damped Hydraulic Recoil Buffer for 9mm PCC (brand part no. RB5015HD) is built for pistol-caliber carbines that use a mil-spec carbine buffer tube with a 7-inch internal depth. It is a straightforward drop-in replacement for the stock buffer and works with virtually any buffer spring currently available. KynSHOT developed it with Blitzkrieg Components to cut felt recoil by up to 30%, which tames muzzle rise and gets your optic back on target faster. It performs best in 9mm builds with barrels 8 inches or longer, or any suppressed PCC, and it is made in the USA by KynSHOT.

Key Specifications

• The buffer fits mil-spec carbine buffer tubes with a 7-inch internal depth, the tube KynSHOT specifies for this model.
• It is designed for 9mm PCCs with a suppressor or a barrel 8 inches or longer, where its weight and dimensions are tuned for smooth cycling.
• It is also compatible with .40 S&W, .45 ACP and 10mm pistol-caliber carbines, so one design covers several PCC chamberings.
• KynSHOT says it reduces felt recoil by up to 30%, which cuts muzzle rise and speeds up target reacquisition.
• The buffer is a hydraulic design built with mil-spec fluids and seals, which absorbs the carrier’s rearward energy and helps eliminate bolt bounce.
• It is built from 17-4 stainless steel throughout, a strong, corrosion-resistant alloy.
• Weight is 6.0 ounces, tuned for PCC bolt travel so the carrier stops just behind the bolt catch.
• Overall length is 4.35 inches, or 3.90 inches when fully compressed.
• The diameter is .76 inches, sized to ride inside the buffer tube.
• It is certified for an ambient operating temperature of -30 F to 150 F, so it keeps working in cold and heat.

Frequently Asked Questions

Does it fit AR-10 buffer tubes? Yes. The maker states it is also compatible with A5 and AR-10 buffer tubes with a 7.75-inch internal depth. In that setup it should be paired with the KynSHOT spacer weight, part number R1505098.

What barrel length works best? KynSHOT designed it for 9mm PCCs using a suppressor or a barrel 8 inches or longer, and states it functions reliably across all 9mm ammunition types.

Do I need a special buffer spring? No. It is a drop-in replacement for the standard buffer and is compatible with virtually any buffer spring currently available.

Buy the KynSHOT Heavy Damped Hydraulic Recoil Buffer for 9mm PCC

Recoil control in a 9mm carbine comes down to how the bolt carrier is slowed and stopped, and a hydraulic buffer does that more smoothly than a spring and weight alone. This one is a drop-in replacement for the buffer already in your tube. Order it from our Lubbock, Texas gun shop for fast, insured shipping, and see more AR buffer systems while you are here.