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Joe's Review of ArmaLite AR10 B-Series Tactical Upper Assembly
I needed a armalite upper for an ar10-b. The lower was made by eagle arms. Found a 18in upper at optics planet. It was not a direct drop-in. It would not pin in the back by the trigger. I wound up shaving a little off the lower by the front pin. Now it pins to the lower and is tight, "better accuracy". I gave it a 4 star only because it was not a direct drop-in. Armalite is proprietary, and my lower is a dinosaur. Thank you optics planet for making my ar10 whole again.
Pros:
Now a great fit.
Cons:
None
Best Used for:
Target and deer.
Would Recommend:
Yes
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