KynSHOT RB5004 Recoil Buffer AR-10 (.308) 2.5″

The KynSHOT RB5004 is a hydraulic recoil buffer engineered for AR-10/ .308 platforms that use a Mil-Spec style carbine buffer tube. It installs as a simple drop-in replacement and is compatible with standard AR-10 buffer springs. The RB5004 is constructed for use with collapsible (M4-length) receiver extension setups and is intended to reduce felt recoil and muzzle rise without altering rifle function.

Key Specifications

• The model is RB5004 from KynSHOT.
• The product type is a hydraulic recoil buffer.
• It is designed to fit AR-10 / 7.62mm (.308) style rifles.
• The buffer measures 2.5 inches in length for short/collapsible stock use.
• It fits a Mil-Spec carbine (M4) buffer tube with an internal depth of 7 inches.
• The construction material is stainless steel.
• The RB5004 is a drop-in replacement for AR-10 buffer systems.
• It is compatible with standard AR-10 buffer springs.
• The design reduces felt recoil and muzzle rise to improve follow-up handling.
• The marketed model name and fit is KynSHOT RB5004 — AR-10 .308.

The RB5004 offers a practical solution for shooters seeking smoother cycling and faster follow-up handling in AR-10/.308 platforms with collapsible stocks. Built from stainless steel and engineered for simple installation, this hydraulic buffer integrates with standard components to provide consistent performance without modifying the rifle’s core operation.