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ACR Stock Adapter for HK91/G3 style firearms. Fits any HK firearm that uses a metal back-plate such as the HK91, G3, PTR91, PTR-PDW, HK 93,33, 53 ,etc.

Machined in the USA from 6061 aluminum and hardcoat anodized black.

Includes mounting hardware and Choate rubber buffer all you need is the HK91/G3 backplate for a complete stock assembly.

Factory Iron Sights: Because of the height of the ACR stock/brace you will likely not be able to use your factory low profile iron sights. Works great with optics using low, 1/3 co-witness or absolute co-witness AR15 style mounts. When using a low mount some might find the top of the front sight a distraction within your sight picture. Use 1/3 or absolute co-witness to help avoid this.