Huey
Yeah, but the 429 GNR holds a lot more powder...
Monday, November 18, 2019, 15:30

I shoot the 240 grn XTP Bullets at 2100 fps from my 20" 429 GNR Marlin too.

As Gary as pointed out many times, that neck funnels gases and gives a nozzle effect on velocity.

No way the 38-40 will ever match the 410 GNR or 429 GNR. But, will hang right in there with the 41 Magnum and 44 Magnum.


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