Glock 20 + Conversion Barrels = Ultimate Semi?

I'd be happy having just the 40 barrel for the G20.


Test and load some good hunting 10's

Test factory 10's for HD

Cast, load, and plink with 40's all day long with the LW barrel.


I had a G20 but sold it because I didn't reload at the time. I've shot it some with the 10 and 40 barrel here lately since I sold it to a friend. Now I'm in the hunt for another one....G20 the only glock I'd buy on purpose.
 
15 years ago I bought a Glock 20 10mm feed ramp intrusion 0.250", case web thickness 0.180" -> 0.070" of thin case wall unsupported, can shoot 3% ~ 10% extra powder before case bulge

What have I done about this?
G20 10mm....I bought a Bar Sto aftermarket 10mm barrel with 0.230" feed ramp intrusion -> 0.050" unsupported. Can now shoot 50% extra powder. I also Bought a KKM aftermarket 40sw barrel for the G20 with feed ramp intrusion of 0.200" -> 0.020" unsupported. I have not shot the KKM, but I would assume it can take 100% extra powder if anyone could take the recoil. With the 1.3" OAL and stronger 40sw case head, I could potentially chrono the highest power that ever came out of my G20 with 4.5" barrel.
 
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