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.45 to 10mm

Not many answers for you, sorry to say, but here is one thing I routinely do. I bought a 10mm Glock barrel, for a tactical model, do not remember model number, but can find out, if you need it; the barrel is about 3/4 inch longer than my M-21 barrel, but fits the slide perfect, so when I want to shoot 10mm Auto, I pop the 10mm barrel into my M-21 (.45ACP), and use a 10mm mag, shoots just fine! Recoil springs are identical in M-20 and 21, so no problem there. At first I used the .45ACP mag, but it needed feed lips closer together, and fed poorly.

I have been sorely criticized for telling this "conversion" on another forum, an expert felt the process was unsafe. So, if you do anything "foolishly experimental", like I do, be forewarned. On the other hand, I enjoy putzing around with the unusual and novel, and that has not killed me yet, so..........
 

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YOu can do a trigger job, you can add grip tape, change the sights, add a guide rod, and change the barrel. The barrel has to be stock demensions and you cant put a 9mm barrel in a 22 and be legal. Also you can add more than 2 oz of weight to it.
 

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massair said:
Not many answers for you, sorry to say, but here is one thing I routinely do. I bought a 10mm Glock barrel, for a tactical model, do not remember model number, but can find out, if you need it; the barrel is about 3/4 inch longer than my M-21 barrel, but fits the slide perfect, so when I want to shoot 10mm Auto, I pop the 10mm barrel into my M-21 (.45ACP), and use a 10mm mag, shoots just fine! Recoil springs are identical in M-20 and 21, so no problem there. At first I used the .45ACP mag, but it needed feed lips closer together, and fed poorly.

I have been sorely criticized for telling this "conversion" on another forum, an expert felt the process was unsafe. So, if you do anything "foolishly experimental", like I do, be forewarned. On the other hand, I enjoy putzing around with the unusual and novel, and that has not killed me yet, so..........
That's interesting.

I've never heard anyone be critical of the Glock conversions. Most people talk about them like the gun was designed that way on purpose - .45 to 10 and vice versa, and 9mm to .40 and vice versa. Usually when you read on a thread somewhere about someone fixing to buy a Glock you'll get at least one responder telling them how easy it is to get the extra barrel and mags to make it a two caliber gun.

Some people......

:eyeroll:
 

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OF course these so called "experts" feel it is unsafe. If you could buy a 150-200 dollar barrel and extra mags or another 500-700 dollar Glock, what would you do? Convert it! Glock "glock experts" just want you to support glock. I already do I have 4 glocks and Im about to buy 3 more. Yet Im getting alot of conversions as well.

massair said:
Not many answers for you, sorry to say, but here is one thing I routinely do. I bought a 10mm Glock barrel, for a tactical model, do not remember model number, but can find out, if you need it; the barrel is about 3/4 inch longer than my M-21 barrel, but fits the slide perfect, so when I want to shoot 10mm Auto, I pop the 10mm barrel into my M-21 (.45ACP), and use a 10mm mag, shoots just fine! Recoil springs are identical in M-20 and 21, so no problem there. At first I used the .45ACP mag, but it needed feed lips closer together, and fed poorly.

I have been sorely criticized for telling this "conversion" on another forum, an expert felt the process was unsafe. So, if you do anything "foolishly experimental", like I do, be forewarned. On the other hand, I enjoy putzing around with the unusual and novel, and that has not killed me yet, so..........
 
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