Lonewolf Barrels Glock .40 to 9MM Conversion Review

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Uploaded by on Nov 14, 2011

Top Shot Season 3 Competitor Phil Morden takes you though the basic installation and tests to see if Lonewolf barrels .40 - 9MM conversion works for your Glock pistols.

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Uploader Comments (philmordenrunandgun)

  • i ll be doing paperwork on a glock31 and thinking bout getting a lw9mm barrel and g17 mag. so i shouldnt have to mess with no other parts? heard some people talkn bout changing extractors. i just hope reliability is still there with this conversion.

  • @R1Beowulf I haven't had a single problem yet but let me know if it all goes good for you.

  • I'm thinking about doing this with my Glock 22 gen 4. I've heard some concerns about the dual recoil springs in the gen 4 causing problems with 9mm when you switch out barrels.  Have you heard anything about this or have experience?

  • @ghostnoteus I have experience with gen 4's but I have heard the same thing about them in reading some forums before my purchase. Maybe the guys at lonewolf have a better idea I'll see what I can find out.

  • I love how the Glocks can switch barrels like that. I can shoot a .357 sig and 9mm through the Glock 22 with the conversion barrels right? I know magazines will need to change, but what about recoil spring?

  • @iluv2viddyfilms I didn't need to change anything but the magazines out and it runs great. An awesome feature and accessory to buy. Thanks for the post.

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  • @iluv2viddyfilms

    You don't need .357 Sig magazines because the .40 S&W magazines will work just fine for both cartridges.

    If you want to reliably shoot 9mm then you will need 9mm magazines because they don't feed as well out of .40 S&W magazines.

  • This is THE best and most informative video on glock conversions. Thanks very much!

  • what mag do you use to put 9mm in a glock22

  • Oops, I meant to explain better. With the lighter spring, it would be more reliable in cycling the lighter 115 load.

  • You might want to know that I was told at Lone Wolf that if I converted from .40 to 9mm all I would need is the barrel and a 9mm glock magazine, but if I had planned to shot the 115 grain 9mm, I was advised to get a lighter spring. I did that, because I will be shooting the lighter 115.

  • @sailwed1 Yes you can. The diameter of the 9mm will fit a .40 because the outside diameter is the same. You'll notice the 9mm barrel is thicker. Contact Lone Wolf.

  • @sailwed1 no the outside diameter of a 9mm glock oem barrel is too small to fit into a .40 slide

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