Ismi 1911 Mainspring
Sale
$
8.99
$26.50
Save $17.51 (66% Off)
Ismi 1911 Mainspring, 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. Mfg: Ismi SPECS: Chrome silicon or stainless steel round wire, chrome vanadium flat wire.