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ISMI
1911 MAINSPRING

445105195
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.: 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

Top takeaways

  1. The 1911 MAINSPRING by ISMI is made from high-quality materials like chrome silicon, stainless steel, or chrome vanadium, ensuring durability and performance.
  2. Designed to aerospace specifications, these mainsprings are heat treated, shot peened, and stress relieved to reduce spring set and maintain consistency.
  3. 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.

Attributes

Make: 1911 Model: Commander,Government Delivery weight: 0.018kg

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.: 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

🔫 Upgrade your 1911 with ISMI 19 lb S/S Mainspring 5-Pak for a lighter trigger pull & reliable performance. Aerospace-grade materials. 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 *
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£31.90 *
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£38.90 * £37.90 - £104.90*
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£38.90 * £34.90 - £38.90*
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