Gemtech GM-9 Threaded Rear Mount Adapter | 1/2-28 | 12172

This Threaded Rear Mount Adapter is designed for use with Gemtech GM-9 and MULTIMOUNT suppressors on firearms with fixed barrels. It provides a dedicated rear endcap mounting interface when a fixed-thread solution is required. The adapter is intended specifically for carbines and submachine guns with compatible 1/2-28 threads; most pistols will require Gemtech’s LID mount for proper function.

Product Specifications

• The adapter is intended for use with GM-9 and MULTIMOUNT suppressors.
• The thread size is 1/2-28 for direct rear-mount compatibility.
• The fit is specified for fixed-barrel carbines and SMGs.
• The product is supplied in a black finish.
• The product type is listed as a mount.
• The adapter functions as a multimount adapter for compatible Gemtech systems.
• The manufacturer is Gemtech.
• The manufacturer part number is 12172.
• The unit height measures 1.6 (as provided in product attributes).
• The unit length measures 5.8 (as provided in product attributes).
• The unit width measures 3.8 (as provided in product attributes).
• The package length is 5.9 and the package width is 4.0 (as provided in product attributes).
• The package height is 1.6 (as provided in product attributes).
• The product is categorized under Suppressor Accessories.
• The UPC is 609728889210.

This adapter provides a straightforward, fixed-thread mounting solution for shooters who use Gemtech GM-9 or MULTIMOUNT suppressors on compatible carbines and SMGs. Its simple interface and black finish integrate cleanly with purpose-built platforms, making it a practical choice when a rear-threaded endcap is required for a fixed-barrel configuration.