Sprinco USA

Gas rings are an often overlooked part when diagnosing reliability issues with an AR-15. The gas rings are an expendable part that need to be replaced eventually. It is always important to have some...

Sprinco M4 / AR-15 Extra Power 5-Coil Extractor Spring Upgrade Kit - 3 Pack Just like their buffer springs, the Sprinco AR-15 Extractor Springs are made from high quality Chrome Silicon wire stock...

Just like their buffer springs, the Sprinco AR-15 Ejector Springs are made from high quality Chrome Silicon wire stock that has been heat treated, stress relieved, and cryogenically processed to...

Just like their buffer springs, the Sprinco AR-15 Extractor Springs are made from high quality Chrome Silicon wire stock that has been heat treated, stress relieved, and cryogenically processed to...

Spinco Extreme Duty Glock Recoil Springs WHY CHROME SILICON WIRE? Our pistol recoil springs are manufactured from Chrome Silicon wire.Chromium-silicon alloy is noted for its hardness and...

Sprinco AR-15/10 Buffer Spring Standard AR15/M4 buffer springs (aka "action springs") are wear items which must be replaced regularly in order for AR-15s to operate reliably, with conservative...

Gas rings are an often overlooked part when diagnosing reliability issues with an AR-10. The gas rings are an expendable part that need to be replaced eventually. It is always important to have some...

Just like their buffer springs, the Sprinco AR-10 Ejector Springs are made from high quality Chrome Silicon wire stock that has been heat treated, stress relieved, and cryogenically processed to...

Just like their buffer springs, the Sprinco AR-10 Extractor Springs are made from high quality Chrome Silicon wire stock that has been heat treated, stress relieved, and cryogenically processed to...

Sprinco AR-15 magazine springs are made from high quality 17-7 stainless steel flat wire stock and are a drop in replacement to fix your old 30 round mags. Compatible with all 30 round magazine...