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AZskeeter's Review of AIM Sports Inc AR Upper Receiver Vise Block
I needed a good upper block to remove a older quad rail from my Rock river arms operator. This block did not fit very good and I had to use additional clamps to distribute the pressure on the portion that was not in the vise. These quad rails have lock tight so I really needed a good fit. I did manage to free everything up without any damage to the upper or rail. In conclusion, it’s doable, but I would spend more money next time and get a reaction rod.
Pros:
Low cost
does the job
Cons:
Barely adequate
Would Recommend:
No
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