Q LLC Erect9r Direct Mount | 9mm | 1/2-28 | ACC-E9-MOUNT-1/2-28

The Q LLC Erect9r Direct Mount adapter provides a threaded interface for 9mm firearms with a 1/2×28 thread pattern. It is finished in stainless steel with a heat-treat process and is built for a compact, low-mass installation. The part is intended to enable direct attachment of compatible muzzle devices and sound moderators where a 1/2×28 interface is required.

Common applications include range use and competition setups where a low-profile, direct-mount solution is needed. This adapter is an accessory-part intended for mounting compatible components; it does not include any muzzle devices or moderators.

Product Specifications

• The manufacturer is Q LLC.
• The model is Erect9r.
• The manufacturer part number is ACC-E9-MOUNT-1/2-28.
• The caliber/gauge is listed as 9mm.
• The NFA thread pattern is 1/2×28.
• The finish type is Stainless Steel.
• The finish is described as Heat Treat.
• The product type is Accessory-Parts.
• The weight is 0.05.
• The length is 2.7.
• The width is 1.
• The height is 1.
• The item cannot be disassembled is listed as False.
• The part is not drilled and tapped is listed as False.
• The UPC is 850000857803.

Compact and straightforward, the Erect9r Direct Mount adapter offers a simple, stainless-steel interface for 9mm systems that use a 1/2×28 thread. Its low weight and small footprint make it suitable for installations where minimal added length and mass are priorities. The adapter is a purpose-built accessory part intended to provide a reliable mounting surface for compatible muzzle devices and moderators in range and competitive contexts.