GBBR Mechanical Parts

Constructed of high grade titanium, this recoil weight from Jaeger Precision is beautifully finished with a high polish surface. Adds additional ...

The New V2 Bolt Carrier Screws are made to an even higher quality and they now have the new thread lock patches. Thread-locking patches use a spec...

There are two different size screws included. Make sure you install the correct screws in the corresponding positions. The New V2 Bolt Carrier Scr...

Constructed of high grade brass, this recoil weight from Jaeger Precision is beautifully finished. Adds additional weight to increase recoil effec...

This set contains 4 Pucks which are dual purpose to be used for short stroking or spacing your buffer tube. This set can be used to short strok...

Designed to be a highly robust upgrade part for the user who wants to get the most out of their rifle. The Jaeger Precision ZET Plate is an excell...

Designed to be a highly robust upgrade part for the user who wants to get the most out of their rifle. The Jaeger Precision ZET Plate is an excell...

This high-quality CNC-machined stainless steel arm is a direct replacement for one of the most common failure points in the TM Spec M870 ga...

The New V2 Trigger box screws are made to an even higher quality and they now have the new thread lock patches. Thread-locking patches use a speci...