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Thread: 40 s&w ar 15 ??

  1. #1
    Boolit Master

    Johnch's Avatar
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    40 s&w ar 15 ??

    OK I am selling off a number of rifles and handguns
    As I have decided that Safe Queens that never get shot .....well I figure sell some of them and buy something I will shoot

    I have been thinking , I shoot both my Sig 229 and Glock 22 a fair amount ( Both in 40 S&W )
    So I am thinking of getting a AR 15 upper and the other parts needed to use the Glock 22 mags in the AR 15

    I figure I can just find a load the rifle likes and load a bunch on the Dillon press

    But I don't know who makes a decent upper ... or a barrel & parts

    So I figured I could just ask
    As I need to figure out what to expect to pay , then figure out what to sell to pay for the parts

    Thanks
    John
    Yea, thou I walk through the valley of the shadow of death, I will fear no evil; for thou art with me; Thy rod and thy staff, they comfort me.
    And I carry a SIG

  2. #2
    Boolit Master
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    Being glock mags wont be the issue. But not seen where 40 cal bolts are that easy to get or a barrel. Way easier solution is to buy a Mechtech upper, uses your glock frame and mags.

  3. #3
    Boolit Master

    rockrat's Avatar
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    Palmetto State Armory possibly

  4. #4
    Boolit Buddy
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    Here are a couple of sites to peruse:
    Frontier Armory, KAK, Rainier Arms etc. I think there are more if you google 40 S&W AR. The Glock 9mm lower will work with the .40 S&W mags, you just need the barrel, bolt carrier group (blowback) and proper buffer. Any upper receiver will work but a smooth side is more aesthetic.
    Last edited by trebor44; 09-16-2018 at 12:09 PM. Reason: Added more info
    West of Beaver Dick's Ferry.

  5. #5
    Boolit Mold


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    I recently purchased a 45 cal 80% lower and 10mm 8" upper from New Frontier Armory in Las Vegas, for a AR pistol build. I haven't assembled it yet, but the quality looks really good. They offer a complete 40 S&W upper (including bolt) as well as component parts.

  6. #6
    Boolit Master

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    Thanks Rockwell , I will look at them

    John
    Yea, thou I walk through the valley of the shadow of death, I will fear no evil; for thou art with me; Thy rod and thy staff, they comfort me.
    And I carry a SIG

  7. #7
    Boolit Buddy
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    Quote Originally Posted by Rockwell View Post
    I recently purchased a 45 cal 80% lower and 10mm 8" upper from New Frontier Armory in Las Vegas, for a AR pistol build. I haven't assembled it yet, but the quality looks really good. They offer a complete 40 S&W upper (including bolt) as well as component parts.
    ^^^^This^^^^
    I have been running two of these in 9 mm (one rifle, one pistol length) and they work well. I am going to convert the rifle to a 40 S&W config. JSE also has components as do others on the web. The Glock lowers I have will take G19, G17 and Glock stick (30+) mags with no issues. I like the LRBO (last round bolt open) feature on my builds. Also check with Hawktec in Boise for a glock compatable lower.
    West of Beaver Dick's Ferry.

  8. #8
    Boolit Master
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    40 s&w ar 15 ??

    Theyíre not cheap but I recommend Stern Defense. You donít need a dedicated lower and it works w/ almost all off the shelf parts. I say almost any because they donít work w/ the JP silent capture buffers. I believe there are some triggers that they donít work w/ as well. But itís a very small list of items that donít work w/ it.

    I have one in 9mm and itís been dead nuts reliable. Some people complain about the mag release location, itís on the magwell adapter. But this is a nonissue for me. Every gun has different ergonomics so this is no different.

    https://getstern.com/

    Here are the conversion kits for 40, you can buy individual components if you want.
    https://getstern.com/collections/all...rice-ascending
    Last edited by dragon813gt; Yesterday at 11:10 AM.

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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