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ISMI
1911 MAINSPRING

445000023
Designed For Maximum Consistency & Reliability
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.
SPECS: Chrome silicon or stainless steel round wire, chrome vanadium flat wire.
11.9 36.9 5 GBP
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.
12.9 GBP 1 £12.90 *
Delivery time approx. 7-14 days.
1 pcs. in the USA warehouse
Specs: Make: 1911 Model: Government, Commander

Top takeaways

  1. The 1911 Mainspring by ISMI is designed to aerospace specifications for maximum durability and performance, available in 22 lb. spring rate.
  2. Made from corrosion-resistant materials such as chrome silicon, stainless steel, or chrome vanadium, ensuring long-lasting reliability.
  3. Suitable for 1911 models Government and Commander, the spring is heat treated, shot peened, and stress relieved to minimize spring set.

Attributes

Make: 1911 Model: Commander,Government Delivery weight: 0.005kg

Item details

Made in USA



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.
11.9 GBP 76 £11.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Make: 1911 Model: Government, Commander
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.
12.9 GBP 127 £12.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Make: 1911 Model: Government, Commander
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.
11.9 GBP 54 £11.90 *
Delivery time approx. 7-14 days.
More than 10 pieces in USA warehouse
Specs: Make: 1911 Model: Government, Commander
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.
36.9 GBP 2 £36.90 *
Delivery time approx. 7-14 days.
2 pcs. in the USA warehouse
Specs: Make: 1911 Model: Government, Commander

Upgrade your 1911 with ISMI 22 lb. Mainspring 🎯 Aerospace-grade, corrosion-resistant for max durability & consistent performance. Shop now! 🔧✨

Designed For Maximum Consistency & Reliability
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.
SPECS: Chrome silicon or stainless steel round wire, chrome vanadium flat wire.
In stock
£14.90 *
4
In stock
£31.90 *
0
In stock
£15.90 *
4.6
Reordered
£26.90 * £26.90 - £27.90*
0
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