PTR PTR Semi- Auto Sear Spring AC-000378 PTR Parts

Manufacturer Part # AC-000378

Semi-Auto Sear Spring; made in the USA by PTR and is designed to be a direct replacement for all .308 and 7.62x39 HK® style firearms.  All of PTR's parts are manufactured on the top of the line equipment and to the strictest standards in the industry.  Will fit all the firearms listed below. Brand New.

• HK91, G3, PTR

• HK93, 33, 53

• HK MP5, 94

• MP5K, SP89, SP5K uses ALL small push pins for the forearm, trigger group & 2 for the rear 

• GSG-5 family of firearms

• HK MP5 .22

• Other HK copies, clones or custom builds that use HK style furniture will require the push pins