KynSHOT RB5015HD Heavy Damped 9MM AR Hydraulic Recoil Buffer - RB5015HD

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KynSHOT RB5015HD Heavy Damped 9MM Hydraulic Buffer RB5015HD UPC 854476005171

Product Description

The KynSHOT RB5015HD Heavy Damped 9MM Hydraulic Recoil Buffer (MPN: RB5015HD) is a premium, high-performance recoil mitigation system engineered specifically for direct blowback 9mm AR-Style Pistol Caliber Carbines (PCC) and AR-9 pistols. Designed as a heavy-damped variant of the popular RB5007 buffer, the RB5015HD is custom-tuned to manage the harsh bolt impact velocities, aggressive recoil impulse, and high reciprocating mass inherent to 9mm blowback actions.

Precision-manufactured in the USA from aircraft-grade 17-4 stainless steel, the KynSHOT hydraulic buffer utilizes patented hydraulic dampening technology to absorb bolt carrier impact at the rear of the stroke. By eliminating bolt bounce, reducing muzzle rise by up to 30%, and significantly smoothing out sight picture recovery, the RB5015HD allows PCC competitors and tactical shooters to achieve faster follow-up shots and tighter target transitions. Furthermore, the dampening effect substantially reduces internal mechanical wear on receiver extensions, trigger pins, and bolt assemblies.

Designed for drop-in installation in standard carbine-length receiver extensions (buffer tubes) when paired with 9mm bolt carriers that feature a open rear cavity or removable internal weight, the KynSHOT RB5015HD is an essential performance upgrade for USPSA PCC competitors, home defense carbines, and hard-use AR-9 builds.

Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Fits standard carbine-length (7") AR-15 receiver extensions / buffer tubes. Designed specifically for 9mm 9x19mm blowback PCC setups. (Note: Ensure your 9mm bolt carrier has an open rear cavity to accommodate the buffer head during cycling. Do not use spacer quarters unless verifying bolt catch travel distance; the extended length of the RB5015HD is specifically designed to stop the bolt behind the bolt catch properly).

1. Perform a complete firearm safety check: drop the magazine, lock the action open, and visually/physically inspect the chamber to verify zero live rounds are present.
2. Depress the buffer retainer pin inside the lower receiver extension and remove the existing buffer and buffer spring.
3. Inspect the internal bore of the buffer tube to ensure it is clean, dry, and free of burrs or excess lubricant.
4. Combine the KynSHOT RB5015HD buffer with a standard carbine recoil spring or a 9mm PCC flat-wire spring.
5. Slide the spring and hydraulic buffer assembly back into the receiver extension until the buffer retainer pin snaps up to hold the buffer head securely.
6. Manually cycle the charging handle rearward to verify smooth hydraulic compression, proper bolt catch lockup on an empty magazine, and clear ejection port alignment.

Key Features

• Patented Hydraulic Dampening System: Actively absorbs rearward bolt collision energy to dramatically reduce perceived recoil and muzzle rise.
• Heavy Damped Tuning for 9mm PCC: Engineered specifically for high-velocity blowback 9mm carbines to eliminate bolt bounce and feeding failures.
• 17-4 Stainless Steel Construction: High-strength, corrosion-resistant stainless steel body built for extreme durability and high round counts.
• Faster Target Recovery: Minimizes sights displacement for blistering fast follow-up shots in competition and tactical shooting.
• Protects Receiver & Fire Control Components: Softens mechanical impact forces, prolonging the operational lifespan of trigger pins, receiver threads, and bolts.
• Made in the USA: Precision-engineered by KynSHOT with a 10-year / 1,000,000-round warranty guarantee.

Product Specifications

• Brand: KynSHOT
• Model/Series: Heavy Damped 9MM Hydraulic Buffer
• MPN / SKU: RB5015HD
• UPC: 854476005171
• Platform Compatibility: AR-15 9mm Pistol Caliber Carbines (PCC) / AR-9
• Buffer Tube Compatibility: Standard Carbine Length Receiver Extensions (7")
• Caliber Compatibility: 9mm Parabellum / 9x19mm
• Material: 17-4 Stainless Steel
• Extended Length: 4.0 Inches
• Weight: 6.0 oz
• Country of Origin: USA