Description
The Heckler & Koch USP45/USP45C thread cap is a protective accessory designed to preserve muzzle threads and the crown when a suppressor or muzzle device is not installed. It is listed as compatible with several tactical variants of the USP45/HK45 family and prevents damage to the thread edges during storage and transport. The cap uses a left-hand thread pitch specified for NFA-pattern attachments. This item is intended for owners who remove muzzle devices and require a simple protective solution.
Key Specifications
- Thread pitch is 16x1mm left-hand.
- Compatible with USP45 Tactical, USP45 Compact Tactical, and HK45 Tactical as listed by the manufacturer.
- Does not fit the Mark 23.
- Manufacturer part number is 970172.
- Replaces part number 702038.
- Product type is listed as Accessory-Silencer Accessories.
- Country of origin is DE.
- Package dimensions are listed as 5.6 x 3.0 x 0.6 (length x width x height).
- Shipping weight is listed as 0.03.
- Additional fit notes include Fits HK45 and HK45C.
This thread cap offers a straightforward way to protect muzzle threads and the crown when a suppressor or other muzzle device is not attached. Its compact profile and listed compatibility make it a practical parts replacement or spare for owners who value preserving the condition of threaded barrels between uses.





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