Enhanced Power Hammer Spring

A: Yes it is compatible with an AR-15 300BLK build.

A: Yes its designed to be used with the 7.62x39 caliber also.

A: Our enhanced power hammer spring was designed to provide approximately 1 lb more energy than the mil-spec spring and that in conjunction with our enhanced or enhanced plus firing pin has worked successfully for the harder primers associated with 7.62x39 and 5.45x39 ammunition. We designed our own as we didn't like the feel of the trigger pull of the other manufacturers' spring and we designed them with full auto in mind. We will send you bulk pricing in an email.

A: Our hammer spring is not going to provide any more strength than the Wolf Hammer Spring. Can you send a picture of your hammer spring in your lower installed so we can take a look to see if we see anything out of ordinary to help you. You can use our Contact Us page to send us an email with a picture attached.

A: Yes you can use it in the 5.45x39 AR-15 platform

A: Yes you can use it in an AR-10

A: Just try upgrading to the spring. The enhanced firing pin can cause pierced primers in the 5.56 caliber. You can also contact us through our CONTACT PAGE at the bottom with a picture of your lower receiver where we can see the spring to see if there may be a incorrect hammer spring installation, this is the #1 common cause of light strikes on 5.56 when using steel case ammunition.

A: Yes they are full auto compatible. We designed them to be full auto compatible as we run full auto and use this enhanced spring for our own full auto rifles.

A: Yes the spring is comparable to Wolff Spring, but designed it for full auto use since that is what we run. We run our Enhanced Spring and Enhanced Firing Pin on all our 7.62x39 rifles. When it comes to binary triggers we have seen some customers continue to have issues. If you have issue with enhanced spring/firing pin with a binary we suggest contacting your trigger company and explain your caliber and setup to see if they have a heavier trigger spring.