ISMI Magazine Spring Applications For 1911 Type Pistols
ISMI magazine springs are wound from certified aerospace specification chrome silicon alloy. Post winding procession includes heat treat/stress relieve.
SSCS - $7.95
For use in 7 & 8 round single stack magazines that use a standard width spring.
(approx. 0.425" side to side)
SSCS-2 - $7.95
For use in 7 & 8 round single stack magazines that require a narrow spring
(approx. 0.350" side to side)
ST25-2 - $10.25
11 coil spring for use in STI/SVI magazines up to 140mm length.
ST25-3 - $12.75
13 coil spring for use with 170mm magazine extensions.
PO45 - $10.25
11 coil spring for use in Para magazines up to 140mm length.
PO170 - $12.75
13 coil spring for use in Para magazines up to 170mm length.
