GAS BLOCK PIN SET HK416 MR556 HK 🇩🇪July 30, 2022
Sold!
Genuine Heckler & Koch gas block retaining pins, sold as a set of two pins.
🇩🇪 Made in Germany.
* Heckler & Koch recommends new gas block pins whenever gas blocks are installed, gas block pins are not meant to be re-used.