Your Browser is OutdatedA must for professional level installation - Geissele AR15/M4 Reaction Block
Review for Geissele AR15/M4 Reaction Block
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Andy's Review of Geissele AR15/M4 Reaction Block
If you are happy having a crooked buffer tube when torquing the castle nut then this isn't for you. If you're only going to be building one rifle maybe this isn't for you. But... if you work on a lot of AR15s this is a must for a perfectly aligned buffer tube to lower receiver. This tool or a similar one to hold the buffer tube will prevent that last tiny bit of rotation when applying torque. If you are a detailed oriented builder/machinist, fabricator then you know what I am talking about.
Pros:
- Useful
Cons:
- maybe expensive for single use
Best Used for:
- lots of builds or when only perfect results will do.
Would Recommend:
Yes
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