ISMI
recoil springs are manufactured
from
certified Aerospace specified
materials and ISMI employs ISO 9002 quality control
standards. The springs are wound from heated treated flat wire, shot peened and
stress relieved
for maximum durability making them the
best
direct replacement for Glock
factory OEM springs.
Large frame (17,22,31 etc) springs have 36-38 coils depending on the spring.
Independent tests
reveal
ISMI recoil springs have endured an excess of 100,000 compression
cycles! ISMI
springs include a 12 month
manufactures replacement warranty however
we advise you practice
routine
maintenance and change your recoil spring yearly.
We recommend Lone Wolf Guide Rods for use with this product:
*Recoil spring buffers are not
recommended.
Buffers reduce slide travel which can have an adverse effect of
feeding
reliability. Buffers can break
apart
during firing and render
the firearm
inoperable.