The B&T GHM9/GHM45 Folding Charging Handle (part number BT-450076) is a factory-original upgrade that replaces the standard fixed charging handle on the B&T GHM9 and GHM45 pistol-caliber carbines with an automatically folding design.
When the bolt cycles forward — whether by manual release or during firing — the charging handle automatically folds flush against the receiver. That flat-to-receiver profile reduces the overall side profile of the weapon, eliminates the snag point that fixed charging handles create against slings, bags, kit, and vehicle interiors, and cleans up the aesthetic of the GHM-series significantly.
Installation-critical details: this handle is designed for left-side charging only, and it is not compatible with the B&T APC series (APC9, APC45). Fitment is restricted to the GHM9 and GHM45 platforms. Swap-out is straightforward using the standard GHM charging-handle interface — no permanent modifications to the receiver required.
Manufactured by B&T in Switzerland to the same quality standards as the host firearm, this is the correct factory accessory for any shooter who wants a lower-profile, snag-free GHM configuration for concealed transport, vehicle carry, or run-and-gun use.
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