TriggerSupply Silent H2 Buffer & Spring System - AR-15All-in-one silent buffer and captured spring. Eliminates buffer spring noise, reduces felt recoil, and pairs perfectly with FRT triggers on carbine and rifle length builds. $60 less than JP Enterprises.Why the Silent H2?The standard buffer spring in your AR-15 scrapes against the inside of your buffer tube every shot - that metallic grinding sound you hear when you rack the charging handle. The Silent H2 captured spring rides a precision guide rod instead, never touching the tube wall. Dead silent cycling, dramatically reduced friction, noticeably smoother operation. And at H2 weight, it&';s exactly what your FRT trigger needs to run reliably.Key Featuresa All-in-one silent captured spring and H2 buffer - one unit replaces botha H2 weight (4.6-4.7 oz) - required for reliable FRT trigger operationa Compatible with carbine AND rifle length buffer tubesa Lightweight precision bodya Drop-in installation - under 2 minutes, no tools requireda Reduced felt recoil and vibrationa Optimized for FRT trigger builds including the Partisan DisruptorSpecificationsBrand: TriggerSupply | Buffer Weight: H2 4.6-4.7 oz | System: All-in-one captured spring + buffer | Tube Compatibility: Carbine + Rifle length | Platform: Mil-spec AR-15 | FRT Compatible: YesPerfect FRT PairingEvery FRT trigger requires H2 or heavier buffer weight to function reliably. The TriggerSupply Silent H2 gives you the correct weight AND eliminates buffer spring noise. Pairs perfectly with the Partisan Disruptor FRT trigger.