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Lprmcnit · September 23, 2012, 09:20 AM

I shoot both a Glock 20 and a Glock 29. I've actually found the recoil from 10mm to be more comfortable than the sharper recoil of 40 S&W when I have shot that. The big problem I've found with 10mm is that is is basically impossible to get lead free frangible ammo which is required to take a course at Thunder Ranch. Also as has has been mentioned the ammo is significantly more expensive than 40 S&W. Though I haven't tried it, I've been told if you get a .40 barrel, you can use 40 S&W in a Glock 20 and have the option of using .40 for practice and 10mm (with the original barrel) if you are in the woods.

September 23, 2012, 09:20 AM	#13
Lprmcnit Member Join Date: June 3, 2012 Posts: 41	10mm I shoot both a Glock 20 and a Glock 29. I've actually found the recoil from 10mm to be more comfortable than the sharper recoil of 40 S&W when I have shot that. The big problem I've found with 10mm is that is is basically impossible to get lead free frangible ammo which is required to take a course at Thunder Ranch. Also as has has been mentioned the ammo is significantly more expensive than 40 S&W. Though I haven't tried it, I've been told if you get a .40 barrel, you can use 40 S&W in a Glock 20 and have the option of using .40 for practice and 10mm (with the original barrel) if you are in the woods.