Brownells RSA-107 Pro-Spring Kit For Old Model & Old Army
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An excellent base from which to build a beautiful, smooth and reliably
functioning gun. Includes a redesigned trigger spring and a reduced
power hammer spring to give controlled trigger pull. Also includes extra
power, base pin latch spring. Factory hammer spring is 23 lb. Kit
includes (3) different reduced power hammer springs; 17, 18 & 19 lb.
(Factory is 23 lb.), (1) 25% reduced power trigger spring, plus one
extra power base pin latch spring.