HK 416 1913 Adapter (.22 LR)

Product Description

The Haga Defense 1913 Adapter upgrades your HK/Umarex/Walther HK 416 .22 LR pistol or rifle with a robust Picatinny (1913) interface, enabling seamless mounting of modern stocks or braces for improved stability and control during training, plinking, or compact rimfire builds. Precision-machined from 6061 aluminum with integrated QD sling mounts on both sides for ambidextrous convenience, this design delivers superior strength and durability in a clean, low-profile package—all without permanent modifications to your firearm.

Specifications

• Material: 6061 aluminum
• Finish: Mil-A-8625 Type III Class 2 hardcoat anodize, black
• Mounting Interface: Standard Mil-Spec 1913 Picatinny rail
• Features: Integrated QD sling mounts (left and right sides)
• Included: Adapter, mounting screw, nut, and washer
• Made in: USA

Compatibility and Installation Notes

• Compatible with HK/Umarex/Walther HK 416 .22 LR models (pistol and rifle variants)
• Supports popular 1913-interface braces and stocks
• Not compatible with centerfire HK 416 variants
• For optimal fit and security, remove the factory threaded insert prior to installing the adapter. Secure using the included nut, washer, and screws. No permanent modifications required.

Installation Instructions

1. Safety First: Before beginning installation, make sure the firearm is completely unloaded, the chamber is empty, and the safety is engaged. Remove the magazine, visually and physically inspect the chamber to confirm it is empty, and point the firearm in a safe direction at all times.
2. No further installation instructions available at this time.