Original knocker valve for HK416 A5 GBBR VFC / Umarex

With demanding specifications, UMAREX offers here an original striking valve.

With this part, you can replace the valve already installed with an identical official part.

If this part is available and you wish, OPS Factory can offer you a replacement service by calling us at 02 35 00 30 01.

Ideal for replacing your part in case of wear or breakage!

Key features:
- Original part
- Umarex specifications
- Compatible with HK416 A5 Umarex GBBR replica