Aim7 Welin-Lock Universal QD Barrel Adapter 1/2×28 (9mm Only)
Description
Aim7 Welin-Lock Universal QD Barrel Adapter 1/2×28 (9mm Only)
The Welin-Lock® system is a universal quick-detach (QD) piston interface developed by Aim7. It allows users to rapidly attach and remove suppressors using a standardized QD barrel adapter and piston setup—ideal for situations where speed and reliability are critical.
Key Features
3 mounting positions spaced 120° apart for fast and secure installation
Forward taper that helps reduce suppressor baffle strikes
Coarse, top-cut threads for improved durability and ease of maintenance
Made from 17-4 stainless steel with a QPQ nitride finish for enhanced wear resistance
Installs using a ¾″ (19 mm) socket, tightened to ~20 ft-lbs
Thread Pitch Options
The Welin-Lock barrel adapters are available in various thread pitch options to match different firearm barrels, including:
½×28 (standard)
Summary Table
Feature | Details |
---|---|
Mount Type | Quick-Detach (QD) Welin-Lock™ Adapter |
Material & Finish | SUS303 COATED |
Wrench Size & Torque | ¾″ socket (19 mm), ~20 ft-lbs |
Mounting Interface | 3 positions, 120° apart |
Forward Taper | Locks piston, reduces baffle strikes |
Thread Pitch Options | ½×28, |