CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
Customer ratings for ISMI 22 LB. 1911 S/S SPRING, EACH
Number of ratings: 2
From brownells.com: 2
Average rating: 3
GOOD BUY!(28/01/2014)
I used this in conjuction with an 18.5 lb recoil spring in a High Standard 1911, Also used a Wilson Combat hammer and sear. This mainspring will lighten your trigger pull, seems to be of good quality.
Too weak...(09/03/2015)
this ISMI 15 lb mainspring is so weak cannot ignite the primersâ¦15lb of Wolff is way better and would ignite any primersâ¦.I have 3 and its still sitting gathering dustâ¦.
Product no.: 445000023 ISMI 22 LB. 1911 S/S SPRING, EACH Mfr Part: 22MS CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
Product no.: 445004014 ISMI 15 LB. C/S SPRING Mfr Part: 15MS CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
18.9GBP48£18.90
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Delivery time approx. 7-14 days. More than 10 pieces in USA warehouse
The ISMI 1911 Mainspring is crafted from corrosion-resistant materials such as chrome silicon and stainless steel, adhering to Aerospace specifications for durability and performance.
Designed for the 1911 AUTO with specific models including Government and Commander, the mainspring is available in popular 19 lb. and 17 lb. rates for a lighter and consistent trigger pull.
Each spring is heat treated, shot peened, and stress relieved to reduce spring set and ensure maximum reliability.
Product no.: 445105017 ISMI 17 LB. C/S SPRING Mfr Part: 17MS CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
The 1911 MAINSPRING by ISMI is made from high-quality materials like chrome silicon, stainless steel, or chrome vanadium, ensuring durability and performance.
Designed to aerospace specifications, the spring is heat treated, shot peened, and stress relieved to reduce spring set and provide a lighter, consistent trigger pull.
It is available in 17 lb. and 19 lb. rates and fits 1911 model handguns in both Government and Commander sizes.
Product no.: 445105195 ISMI 19 LB. S/S SPRING, 5-PAK Mfr Part: 19MS5 CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
The 1911 MAINSPRING by ISMI is made from high-quality materials like chrome silicon, stainless steel, or chrome vanadium, ensuring durability and performance.
Designed to aerospace specifications, these mainsprings are heat treated, shot peened, and stress relieved to reduce spring set and maintain consistency.
Available in 19 lb. and 17 lb. rates, these mainsprings are suitable for the 1911 models Government and Commander, providing a lighter and consistent trigger pull.
Product no.: 445105191 ISMI 19 LB. S/S SPRING, EACH Mfr Part: 19MS CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
CAD designed and built to Aerospace specifications from chrome silicon, corrosion resistant, stainless steel or chrome vanadium for maximum durability, consistency and reliable performance. Built to aerospace specifications; heat treated, shot peened and fully stress relieved to minimize spring set. 1911 AUTO MAINSPRING - Stainless steel (SS) or chrome silicon (CS); wound in the very popular 19 lb. and 17 lb. rate for lighter, consistent trigger pull with reliable ignition.
Customer ratings for ISMI 22 LB. 1911 S/S SPRING, EACH
Number of ratings: 2
From brownells.com: 2
Average rating: 3
GOOD BUY!(28/01/2014)
I used this in conjuction with an 18.5 lb recoil spring in a High Standard 1911, Also used a Wilson Combat hammer and sear. This mainspring will lighten your trigger pull, seems to be of good quality.
Too weak...(09/03/2015)
this ISMI 15 lb mainspring is so weak cannot ignite the primersâ¦15lb of Wolff is way better and would ignite any primersâ¦.I have 3 and its still sitting gathering dustâ¦.