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Details of Nemo .300 Blackout Carbine Buffer Spring
Specially-engineered spring is designed to optimize performance of AR-15s with 16" barrels chambered for .300 AAC Blackout and carbine-length gas systems. Specifically helps produce reliable function with sub-sonic ammunition. An effective and easy way to cure short cycling in under-gassed guns. Mfg: Nemo SPECS: 17-7 stainless steel.