ISMI premium springs are manufactured exclusively with certified aerospace spec alloys; stainless alloy and chrome silicon. Each spring has been heat treated, stress relieved and shot peened to enhance performance and durability.
These extra steps and quality materials ensure consistency and longevity many time that of standard music wire springs. All springs carry a 12 month manufacturer replacement warranty.
These extra steps and quality materials ensure consistency and longevity many time that of standard music wire springs. All springs carry a 12 month manufacturer replacement warranty.
Good!
Very good product!
High quality item
works
1911 Production minor
great product!
owner of gun store
awesome springs ISMI are good quality springs