The Kynshot RB5000 Stainless Steel AR-Platform Hydraulic Recoil Buffer is engineered as a drop-in upgrade for AR-15 carbines using a Mil-Spec carbine buffer tube. Built from high strength 17-4 stainless steel, this precision damper uses patented hydraulic technology to absorb the bolt carrier’s rearward motion, cutting felt recoil and suppressing bolt bounce for smoother cycling and improved control.

Designed for AR-15 carbines with collapsible stocks and compatible with popular calibers such as 5.56mm and .223 Remington, the RB5000 helps reduce muzzle movement and speeds up shot-to-shot recovery, making it well suited for range use, competition, and training-focused builds. Its corrosion-resistant construction, Mil-Spec fluids and seals, and wide operating temperature range reflect Kynshot’s reputation for durable, purpose-built recoil management solutions.

Key Features:

• Manufacturer: Kynshot
• Model: RB5000 Hydraulic Recoil Buffer
• Caliber: 5.56mm / .223 Remington compatible AR-15 carbines
• Condition: New
• Product Type: Buffer
• Weight: 4.2 oz
• Length: 3.65 in
• Diameter: 0.69 in
• Unique Features: Hydraulic damping system, drop-in replacement for Mil-Spec carbine buffer tubes, reduces felt recoil 20–30%