Aftermarket glock 20 barrel

B

brasscollector

New member
Wondering what peoples experience(s) with aftermarket vs factory glock 20 / 10mm barrels. I have seen a few g20s for sale with the factory barrel and an aftermarket barrel (lone wolf, etc) included. I am wondering what the draw is? Tighter chamber? Better accuracy? Different rifling? I have a G20 gen 3 SF that I am configuring to use primarily for target shooting (informal) and if the aftermarket barrel is much better I'd have no regrets on the purchase. I do reload and if they are that much better on the brass that may be reason enough.
 
I found a used (like new really) Lonewolf conversion 10mm to .40 standard length for my glock 20. Shot perfect and same accuracy as the OEM 10mm barrel.

Going to get an aftermarket barrel for my glock 19 so that I can shoot lead through it. Had a ported KKM barrel a long time ago, and it was slightly more accurate that the original 9mm barrel, but only at greater distances.

Shooting lead, cast reloads would be a good reason for an aftermarket 10mm for your g20.
 
They are so simply to machinw that you RARELY hear of problems with the aftermarket glock barrels, i think of the couple of manufacturers, i have heard more (meaning 1-3) bad things about stormlake than EFK, lonewolf, or kkm
 


I have an aftermarket barrel on my Glock 20 to allow me to shoot lead bullets and to obtain a slight increase in velocity due to the longer barrel.

The accuracy is not much different from the factory barrel and there have been no functioning problems with hundreds of rounds down range.

Mark
 
Couple of questions.

1. For the reloaders---do you have a problem with 'Glock bulge' with the stock Glock barrel?

2. Do the aftermarket barrels reduce 'Glock bulge'?
 
Thanks guys, nice picture. Looks like the main consensus is aftermarket to facilitate shooting lead/cast. I'm not sure I'm going to shoot much cast, of course if I bought an aftermarket barrel I could. I do like the idea of increased velocity and with a 6" barrel here in WI it would be legal for deer hunting. Is there any appreciable difference in brass life between OEM and aftermarket?
 
You shoot any ultra hot loads (UHL) get a after market barrel. My Storm Lake limits cast head expansion to .4280. With UHL case life is no problem.

From what I've read a Lone Wolf barrel will not cure the Glock bulge.

Ask yourself--if you don't shoot UHL why buy a 10mm?
 
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Brass life is a concern. I will be shooting some stout loads which is the reason I went with a 10mm to begin with. Also like the idea of a legal semi-auto for handgun hunting here in Wisconsin.

I have not noticed any guppy-bellied cases with either of my G20s (OE barrels) and some modest 10mm loads. Does that only apply for certain chamberings?
 
lead

I see three reasons for aftermarket Glock barrels:

-I'd suspect the biggest attraction for a standard length aftermarket Glock barrel would be the ability to shoot lead slugs. Glock advise that their rifling on OEM barrels is not suited to lead bullets. Quite a few folks of my acquaintance shoot 9mm and .40 from Glocks using lead and aftermarket tubes, mostly Lone Wolf. I do not see why that advantage would be overlooked by 10mm fans.

-As advised in a previous post, a longer barrel than factory should give slightly higher velocities.....a plus for hunters.

-Lastly, a conversion barrel in a G20 (to .40) would allow cheaper shooting using more readily available brass.
 
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