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KynSHOT RB5000HP
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

KynSHOT

RB5000HP

$154.99
$149.99
Sale Price
Available California compliant

KynSHOT RB5000HP Hydraulic Recoil Buffer, Fits AR-15 that are Over Gassed and 9MM Radial Delayed Blowback Systems, Stainless Steel Construction, Silver RB5000HP

Key Details
Brand KynSHOT
Manufacturer Part Number RB5000HP
UPC 854476005379
SKU KYNRB5000HP
Current Stock 9 available
Quantity Updated Jun 27, 2026 12:41 AM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The KynSHOT RB5000HP Recoil Buffer is a hydraulic buffer system designed and optimized for over gassed AR-15's and 9mm Radial Delayed Blowback systems, using a Mil-Spec carbine buffer tube (internal depth 7"). The RB5000HP can be paired with any style buffer spring, and is a simple drop in replacement for all buffer systems on the market. Traditionally when a suppressor is applied to an AR-15, there is added back pressure that is created which is transferred to the shooter (over gassed). The RB5000HP provides the same functionality as the RB5000, but has enhanced damping properties to help accommodate for the added back pressures of using a suppressor. The RB5000HP is also perfect for larger bore calibers such as the .50 Beowulf, .458 SOCOM, and 450 Bushmaster. Please note, the standard RB5000 will work with large bore calibers and suppressed AR-15's, however, the RB5000HP is designed for AR-15's that are over gassed and need more damping.

Features
  • Drop-in Replacement for Any Buffer System
  • Reduces Felt Recoil by 30%
  • Improves Firearm Reliability
  • Designed for Hard Cycling AR-15 Carbines and CMMG Radial Delayed Blowback systems
  • Compatible with CMMG's Radial Delayed Blowback Systems
  • Do Not Use in PCC's
Specifications
UPC: 854476005379
Manufacturer: KynSHOT
Manufacturer Part #: RB5000HP
Model: RB5000HP
Type: Buffer