Strike Industries SI-AR-15/M16 Receiver Extension Castle Nut
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Most Helpful Positive Review
better than some
I have several of these. This is just for stocking at this time. I mean it is a castle nut , not much can go wrong. However the threads and wrench slots are better than some. The color is even and match's my upper/lower.
Castle nut
This is a milspec castle nut that has a durable coating and has remained tight since installation
Would recommend: Yes
Good quality
Castle nut fits nice and snug. Coding looks nice. Metal looks nice and sturdy. Overall very good quality. It fits on my mail spec tube. Strike Industries quality is top-notch. I would recommend this product.
Would recommend: Yes
color is off.
It’s a dark grey color. Doesn’t match any buffer tube I have, including some from SI. Otherwise it’s a castle nut. Works, but if you expect a rich black color, look somewhere else. Threads are ok. Machining looks fine.
Pros:
- works
Cons:
- color
Would recommend: No
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