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1/25/2018 7:38:29 AM
Posted: 3/9/2002 1:22:24 PM EST
Hears my dumbass question for today.
Is there any mechanical difference btwn AR-15 lowers and AR-10 lowers? Can I put a 7.62 upper on a -15 lower?
Link Posted: 3/9/2002 1:23:25 PM EST

Originally Posted By Phoenix2000:
Hears my dumbass question for today.
Is there any mechanical difference btwn AR-15 lowers and AR-10 lowers? Can I put a 7.62 upper on a -15 lower?



Well, the magwell on AR-10 is longer than AR-15, so it wont fit.
Link Posted: 3/9/2002 1:25:49 PM EST
That's what I thought.

Thanx
Link Posted: 3/9/2002 5:45:52 PM EST
..and because the bolt travel to eject the .308 case is longer so is the upper.

They're the same design and use some of the same parts but they are basically 2 different sizes.

Go to www.armalite.com and look through their catalog. Common parts are marked.
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