[mtndog]

David makes a good point that every chamber is different so doing “plunk” test in Your gun is essential when working up loads and periodically along the way. I like to use a barrel with a little more support (KKM) in my G40MOS with warmer loads so I “Plunk” test Every round in that gun.

[mtndog]

I seat to OAL of 1.087/1.088 using Sport Pistol with 124gr RMR matchmaker. & Fed 100 primers for 1100fps. Using Glock G17, G34, & G45.

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