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KynSHOT RB5007 Hydraulic Recoil Buffer – AR-15 9mm PCC Optimized – 854476005065
The KynSHOT RB5007 is a precision-engineered hydraulic recoil buffer designed specifically to tame the harsh blowback impulse of 9mm Pistol Caliber Carbines (PCC). While standard solid buffers rely on raw mass to cycle the action, the RB5007 utilizes patented hydraulic shock absorption technology to actively dampen the bolt’s impact at the rear of its travel. This results in a 20-30% reduction in felt recoil, significantly less muzzle rise, and a smoother overall cycling feel. In 2026, the RB5007 remains the gold standard for competitive PCC shooters and tactical enthusiasts who demand lightning-fast follow-up shots and reduced wear on their firearm’s internal components.
Constructed from high-strength 17-4 stainless steel, the RB5007 is virtually impervious to corrosion and built to withstand the rigors of high-volume fire. It is designed as a direct drop-in replacement for any 9mm PCC utilizing a Mil-Spec carbine buffer tube (7" internal depth). The buffer's length and weight are meticulously balanced to ensure the bolt stops just behind the bolt catch, preventing damage to the catch and ensuring reliable last-round hold-open. Whether you are running a 3.5-inch sub-gun or a 16-inch competition carbine, the RB5007’s ability to eliminate "bolt bounce" and dampen optic vibration makes it an essential upgrade for any AR-9 platform.
Includes: (1) KynSHOT RB5007 Hydraulic Recoil Buffer. (Note: For A5 or AR-10 length tubes, a spacer weight is recommended).
Key Features
- 30% Recoil Reduction: Actively absorbs rearward energy to flatten out the recoil impulse and keep your sights on target.
- Eliminates Bolt Bounce: Hydraulic damping ensures the bolt seats perfectly every time, improving reliability and preventing out-of-battery malfunctions.
- 17-4 Stainless Steel: Aerospace-grade materials ensure the buffer will not rust or degrade even in the most humid 2026 environments.
- Optic Protection: By reducing the violent "snap" of the blowback action, it significantly extends the life of your electronic red dots and optics.
- Drop-In Ready: Compatible with all standard 9mm buffer springs and fits any standard 7" depth carbine buffer tube.
- Full-Auto Rated: Engineered to handle the extreme heat and cycling speeds of professional-grade duty and competition weapons.
Product Specifications
- Brand: KynSHOT (A Kyntec Company)
- Model: RB5007 Hydraulic PCC Buffer
- Compatibility: AR-15 9mm PCC (Blowback & Radial Delayed)
- Tube Fitment: Mil-Spec Carbine (7" Internal Depth)
- Material: 17-4 Stainless Steel
- Weight: 6.0 Ounces
- Overall Length: 4.35 Inches
- Operating Temp Range: -30°F to +150°F
- MPN: RB5007
- UPC: 854476005065
