Colt AR15, M16, Sporter, CAR-15, M4, & 9mm SMG action springs available in reduced power, factory standard, and extra power.

Rifle Service Paks - Springs to return rifle to original factory condition. All springs are factory specification strength with the exception of the action (or recoil) spring which is extra power. Extra Power Paks contains 1 each XP action spring, bolt catch spring, buffer retainer spring, disconnector spring, dust cover spring, ejector spring, extractor spring, forward assist spring, front sight retainer spring, hammer spring, magazine catch spring and trigger spring. Standard Power & Reduced Power Paks include their respective rated (STD, RP) Recoil springs and everything else listed above.

Wolff Trigger Function Pak contains 1 ea reduced power trigger spring and disconnector spring.  Designed to lighten and improved trigger function.  Individual reduced power trigger and disconnector springs are also available.

Reduced Power Trigger Springs are aproximately 25% lighter than the factory mil-spec trigger spring to help improve trigger pull.

Factory strength trigger springs return trigger to original factory specifications.

Hammer springs available in factory strength and extra power. XP hammer springs improve common ignition problems when using hard primer ammunition.  Note: For use in semi-auto models only.  Not for use in full auto or burst fire models.

Wolff Disconnector Springs are aproximately 50% lighter than the factory mil-spec disconnector spring. Helps improve trigger function.

Extra power magazine springs. Improves functioning and reliability.
   For 20 round steel USGI pattern .223 magazines only.

Extra power magazine springs. Improves functioning and reliability. 
   For 30 round .223 magazines.

Extra power magazine spring. Improves functioning and reliability.
   For 20 round 9mm SMG magazine.

Extra power magazine springs. Improves functioning and reliability.
   For 32 round 9mm SMG magazines.

Replacement striker spring for Colt Light Rifles are designed to provide reliable ignition which is a problem in these Colt rifles.  The springs are also for Ultra Light Arms models 28, 32 and 40. Spring is for use with all calibers.