JP Enterprises AR-10 Silent Captured Spring H2 Heavy Buffer | Gen 2

JP Enterprises AR-10 Silent Captured Spring H2 Heavy Buffer | Gen 2

The JP Enterprises Gen 2 Silent Captured Spring H2 Heavy Buffer system is engineered for AR-10 and large-frame .308-pattern rifles that benefit from increased reciprocating mass and a more refined recoil system. Designed as a direct replacement for traditional buffer and recoil spring assemblies, the JPSCS2-10H2 combines JP’s self-contained captured spring architecture with an H2-equivalent heavy buffer configuration to help deliver smoother cycling characteristics, reduced operating noise, and improved recoil consistency in large-frame AR platforms.

Conventional AR recoil systems often generate noticeable spring resonance and internal friction during operation. JP’s Silent Captured Spring design addresses these issues through a guided recoil assembly that keeps the spring under controlled alignment throughout the cycling process. This reduces the metallic “sproing” sound commonly associated with standard buffer systems while creating a more controlled and refined recoil impulse during charging and live fire.

The H2 Heavy Buffer configuration provides additional reciprocating weight compared to lighter captured spring setups, making it well suited for many .308 Winchester and 6.5 Creedmoor rifle configurations where added mass may help support stable cycling behavior. Large-frame AR builders frequently use heavier recoil system configurations when tuning rifles for suppressor use, varying gas system lengths, precision-oriented setups, or ammunition with differing pressure characteristics.

Generation 2 Silent Captured Spring systems feature JP’s updated aluminum guide rod assembly along with revised internal mass architecture intended to more closely correspond with traditional AR buffer weight standards. The self-contained captured design also simplifies maintenance and receiver disassembly by preventing loose springs and buffer components from separating during service.

The JPSCS2-10H2 is compatible with many AR-10 and LR-308 pattern rifles utilizing standard carbine-length receiver extensions. Because large-frame AR platforms do not follow a universal dimensional standard, compatibility can vary between manufacturers depending on receiver extension depth, bolt carrier geometry, and overall operating system dimensions. Builders should verify fitment with their specific rifle configuration before installation.

JP Silent Captured Spring systems are widely used in precision gas guns, recreational large-frame AR builds, competition rifles, and suppressed rifle configurations where smoother cycling behavior and reduced operating noise are desired. The H2 configuration offers an additional tuning option for shooters seeking more controlled operating characteristics from their AR-10 recoil system.

• Designed for AR-10 and LR-308 large-frame AR platforms
• Gen 2 Silent Captured Spring system
• H2-equivalent heavy buffer configuration
• Self-contained captured recoil spring assembly
• Reduces traditional buffer spring vibration and operating noise
• Smoother cycling characteristics compared to standard buffer systems
• Updated aluminum guide rod assembly
• Tunable recoil system architecture
• Compatible with many carbine-length receiver extension setups
• Made in the USA

Compatibility Notes: Large-frame AR rifles vary between manufacturers and may use different receiver extension and bolt carrier dimensions. Compatibility should be verified with your specific AR-10 or LR-308 platform prior to installation.