EEMANN TECH PROGRESSIVE RECOIL SPRING FOR 1911/2011, 13LBS Olight PL-MINI 2 Valkyrie Tactical Light Specifications:

Specifications:

44-131118 Eemann Tech Main Spring for CZ 8 lbs

Power supply: 2 x AAA

223 Remington Platform AR15

EEMANN TECH PROGRESSIVE RECOIL SPRING FOR 1911/2011, 13LBS Olight PL-MINI 2 Valkyrie Tactical Light Specifications:Description The Eemann Tech Progressive Recoil Spring for 1911 2011 pistols and their clones with 5" barrel length. Progressive Recoil Spring differs from the common spring by the fact that the distance between coils keeps reducing starting from the middle of the spring till the last coil. While getting pressure the spring starts functioning in two phases: 1st: The first half of the spring with identical distance between coils starts compressing from