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Page AR-15 » AR Variants
AR Sponsor: bravocompany
Posted: 5/10/2024 8:03:19 PM EDT
Can someone with a metal Grendel/ARC mag (Stoner or similar, ASC) take an accurate measurement of the inside, between the ribs, for me?  I have some coming and working on a follower project but wanted to get a head start.  I have 25 rounder's coming, but I'd think that would be consistent on smaller mags as well.

TIA, Rod.
Link Posted: 5/11/2024 12:34:17 AM EDT
[#1]
Originally Posted By s4s4u:
Can someone with a metal Grendel/ARC mag (Stoner or similar, ASC) take an accurate measurement of the inside, between the ribs, for me?  I have some coming and working on a follower project but wanted to get a head start.  I have 25 rounder's coming, but I'd think that would be consistent on smaller mags as well.

TIA, Rod.
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I wish I had some calipers
Link Posted: 5/11/2024 11:47:50 AM EDT
[#2]
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Originally Posted By 9D1Alpha:

I wish I had some calipers
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As do I, ha.  When I do the math on the numbers that I have been able find, I get .770"ish so will probably run with that.  Maybe reduce a 100th for breathing room.
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