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Resizing a Barrel

740 Views 7 Replies 2 Participants Last post by  Rhino_66

What's involved in shortening a barrel? I understand that the barrel must be re-crowned, correct? What kind of tools are involved? The barrel I have in mind isn't an AK barrel but the process could possibly be applied.

I have a 1911 barrel that I want to shorten for a commander sized build I'm doing. Instead of spending $150.00 - 200.00 on a brand new commander barrel, I was wondering if I could simply have this extra full sized barrel I have sitting around just shortened by 3/4" and recrowned. I know some companies sell chopped barrels - has anyone used these and can offer up some advice?

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AWESOME INFORMATION! I know what you mean by the 'tapered' barrels, the ones I have are straight, so I don't see that as a problem. I'm also planning on getting an oversized bushing to fit it super tight to the bushing/slide. you got me thinking of how I'm going to cut the thing and how many hours it's going to take me to get that crown perfect.

just crown it with the big marble and bore paste
I was going to ask about the "big marble." Using a marble makes sense, and you do mean an actual marble right? I just want to make sure that it's not a name for some fancy tool that I'm not aware of...

You've really motivated me to do this. I'm going to contact a buddy of mine who's got a lathe to see if he can help me cut the barrel. Would a chop saw work for trimming the thing? I'm just concerned I may get an uneven cut, but I guess as long as I stay outside my line I can always file/shape it accordingly.

Added: Can I use a conical or round grinding stone and a dremel at low speed to recrown?

I highly recommend The Simpsons as a time killer while doing this. I also recommend The Simpsons while cleaning your firearms. It seems to go quicker.
I was watching the simpsons the last time I was lapping my slide to my frame. Damn near took my pinkie nail off (mallet + slide + pinkie = *@!*@!). Good information - I'm taking it all to heart. One more question - If I did shorten a barrel that had a taper, would accuracy still be affected if the barrel is fitted tight to the bushing and bushing to slide?

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