Nefarious Arms – NA5 HK 416 Adjustable Gas Block
Nefarious Arm user configurable 2-position adjustable gas block compatible with 11″ – 20″ A1 MR556 and HK416 barrels. Each gas block ships with 6 vent screws, a screwdriver, anti-seize, and detailed instructions. These gas blocks are designed to use the rear pin slot on your barrel and cover the front pin slot.
Whether switching between suppressed and un-suppressed fire, or dialing in a forced reset type of trigger, this gas block gives you the ability to tune your rifle to cycle flawlessly.
Compatible With:
- HK416 A1
- HK416 A3
- HK416 A5
- HK416 A7
- MR556 A1
- MR556 A4
- Other HK416 variants with the same barrel configurations as the above
