PTR AR Stock Adapter For HK Firearms

AR15 to HK 90 Series Stock Adapter For AR15 &M4 Style Stocks, Braces

For use on any commercial, mil-spec, or pistol AR15/M16/M4 stock, brace, & buffer tube of your choice. Perfect for your HK rifle, pistol, or SBR build. With our M4 adapter, you can use your existing metal backplate, standard G3 buffer, and your choice of stock and buffer to add an AR15 stock to your HK firearm. This is a perfect complement for those that want to use an AR-15 style stock or brace on your HK rifle, SBR, or pistol project.

Compatible With:

• HK91, G3, PTR91, & PTR-PDW
• HK 93,33, 53
• All standard in SPEC:
  • Commercial buffer tubes
  • Mil-spec buffer tubes
  • Pistol buffer tubes

Each adopter includes the proprietary locking ring and ready to drop on your choice of buffer tube & AR stock. Made from aircraft-grade aluminum and comes in a black powder coat finish ready to install.

Please note: This batch of adapters is powder coated and is a thicker finish than the original anodizing. You may experience a tight fit, or the need to fit it to your back-plate.