The X-Force M95 spring is a high quality spring for those looking for the extra edge in their blaster. – Made with high quality steel – Heat Treated – Measured every 10 springs – Linear Spring For Increased Consistency – Designed specifically for X-Force M4A1 Gen 8 M4A1 J 9 SCAR V2 SAW M249 Kriss Vector V2 HK416 KUBLAI M4 P90 M4SS
