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Thread: Question on Ar15 80% milling

  1. 02-14-2021, 07:18 PM #1
    brstevns
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    Question on Ar15 80% milling

    Just how deep should one mill out ar15 80% receivers. some web sites say 1.22 ?
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  2. 02-14-2021, 07:58 PM #2
    Moleman-
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    I try for 1.25" on the deepest section, and.650" on the shelf. I have some commercial lowers that are almost .010" deeper.
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  3. 02-14-2021, 08:39 PM #3
    unioncreek
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    Download Ray Vinn's book, it has all the measurements in there. I've finished quite a few 80% lowers and it's never let me down.

    Bob
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  4. 02-15-2021, 11:02 AM #4
    brstevns
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    Do you have a link for the book?
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  5. 02-15-2021, 01:55 PM #5
    MrWolf
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    When I brought search up the pdf was right there. Just type in Ray Vinn 80% lower and it should come up.
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  6. 02-17-2021, 11:40 AM #6
    brstevns
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    Thanks
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Abbreviations used in Reloading

BP Bronze Point IMR Improved Military Rifle PTD Pointed
BR Bench Rest M Magnum RN Round Nose
BT Boat Tail PL Power-Lokt SP Soft Point
C Compressed Charge PR Primer SPCL Soft Point "Core-Lokt"
HP Hollow Point PSPCL Pointed Soft Point "Core Lokt" C.O.L. Cartridge Overall Length
PSP Pointed Soft Point Spz Spitzer Point SBT Spitzer Boat Tail
LRN Lead Round Nose LWC Lead Wad Cutter LSWC Lead Semi Wad Cutter
GC Gas Check