NA5 Replacement Gas Block Cap
NA5 Replacement Gas Block Cap
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Replacement Cap for the NA5 Adjustable Gas Block.
- Serrated
- Black Melonite Finish
Note: Only compatible with the Nefarious Arms NA5 Adjustable Gas Block, will not fit an HK gas block.
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Let customers speak for us
from 40 reviewsExcellent option for the MR556A4 and 416 clones.
Marvin and his products are top notch. Perfect fitment, excellent quality. These are the best barrels outside fo factory HK that one can buy!
For your barrel nut torquing a must have precision made tool. Excellent machined quality to use on a number of AR , KAC , Centurion Arms or HK variants.
Nicer than other popular and similar tools I have. protect your barrel extension index pin! Get one!
Great part. Will install on my next build.
Excellent Quality, fast shipping what more could a man ask for. Thank you as always.
Quality is absolutely stellar. Nefarious arms nails it everytime
Quality is absolutely stellar. Nefarious arms nails it everytime
Barrel is absolutely perfection. Knocked it out of the park
Quality is absolutely stellar. Nefarious arms nails it everytime
Quality is absolutely stellar. Nefarious arms nails it everytime
Quality is absolutely stellar. Nefarious arms nails it everytime
Helps immensely when pushing pins. Keeps everything stable and easy to work with. Keeps you from marring your barrels!