Varied, progressive structure provides constant pressure with greatly increased spring performance and life. Wound from high endurance chrome silicon wire for maximum performance with an extended cycling range of 50,000 cycles. Mfg: Sprinco Usa SPECS:...
Drop-in sytem provides significant reduction in felt recoil and grip fatigue. Plus, it keeps the gun "flat'' so your sights stay on target to help you shoot faster. Bright polished, stainless steel guide rod fitted with a chrome silicon, secondary spring...