Quick Summary
The 5KU Diagonals Knurled Thread Protector Barrel Cover is a black thread protector for a -14mm CCW barrel thread. It is listed for use with Tokyo Marui G17 GBB pistols and other pistols with the same thread type.
The barrel cover is described as having CNC aluminium construction and comes with a rubber O-ring. The stated full length is 12 mm and the stated weight is approximately 4 g.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | 5KU, useful for matching the exact accessory line. |
| Product type | Thread protector barrel cover, intended to cover a threaded barrel end. |
| Thread type | -14mm CCW, the key compatibility check before buying. |
| Colour | Black. |
| Construction | CNC aluminium construction. |
| Included item | Rubber O-ring. |
| Length | 12 mm full length. |
| Weight | Approx. 4 g. |
Compatibility, Size and Fit
This cover is listed for Tokyo Marui G17 GBB pistols and other pistols with a -14mm CCW barrel thread. The important check is the exact thread specification on the pistol or barrel, as that determines whether the protector will fit.
The stated 12 mm length and light weight are useful if you are comparing it with other barrel-end covers or checking how much extra length it adds at the muzzle.
What Else You May Need
You need a compatible -14mm CCW threaded barrel or pistol for this cover to be used as intended. If the thread specification does not match, it will not be the right part for the setup.
Before You Decide
Confirm the thread type on your pistol or barrel before choosing an offer. Check whether you need a cover for a -14mm CCW thread, and make sure the listed length and black finish suit your setup.






