HB Industries KRISS Vector Folding Stock Adapter

The HB Industries Folding Stock Adapter solves the stock problem on older KRISS Vectors. Gen 1 and pre-2017 Gen 2 Vectors use a proprietary integrated hinge mount that locks you into KRISS's own stock options. This adapter replaces that hinge with a billet aluminum body that accepts any AR-pattern buffer tube and, with it, any AR stock or brace you want to run.

It is machined from 6061-T6 aluminum and hard-coat anodized to MIL-A-8625 Type 3, so it is meaningfully more rigid than the polymer factory folding hardware. The adapter folds to the side and is engineered so the safety selectors and trigger remain operable with the stock folded, which keeps a folded Vector usable in a vehicle or tight space. It ships with a factory KRISS takedown pin and weighs 6.7 ounces.

This is the correct part only for hinge-mount Vectors. Gen 2.1 (2017) Vectors already use an integrated AR buffer-tube interface and take AR stocks directly, and Gen 3 Vectors mount the factory KRISS G3 folding stock on their 1913 rear rail, so neither needs this adapter. Confirm which receiver you have before buying: the fixed factory rear trunnion on the older guns is the tell.