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gmarr
May 11, 2017, 06:02 PM
Getting an idea here for a possible custom build. Does anyone currently make or made a semi-auto rifle (Browning style comes to mind) in .300 H&H caliber? I know there's a bunch of other calibers available with similar or better performance but that's not the idea here. Thoughts?

natman
May 11, 2017, 06:15 PM
The 300 H&H requires a full magnum length (375 H&H) action. A standard 30-06 action will be a bit short. I can't think of a semiauto that's long enough.

Mobuck
May 11, 2017, 09:30 PM
300 Win Mag is about as close as you'll get.

bbqncigars
May 11, 2017, 11:41 PM
You could modify a Serbu BFG-50A for that puny little cartridge. ;)

T. O'Heir
May 12, 2017, 01:19 PM
The case length is 2.850"(.356" longer than a .30-06) with a .532" case head diameter. And the .300 H&H isn't exactly common. Runs around $3 a shot from Midway. Hence there's no demand for semi-auto magnums.

emcon5
May 12, 2017, 04:22 PM
If you are looking for an impractical engineering exercise, make it belt fed.

kozak6
May 12, 2017, 10:42 PM
Speaking of belts, the belted cartridge also makes magazine design extra fun.

mapsjanhere
May 13, 2017, 07:49 AM
You can get close with a Merkel SR1 in 9.3x62.

globemaster3
May 13, 2017, 07:45 PM
I'd look over Nemo Arms' stuff. If they can make an AR inspired semi in .458 Win Mag and .338 Lapua, I'd figure action length would not be a problem.

Model12Win
May 13, 2017, 07:52 PM
Get a 300 winny ar.