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I just bought a used Marlin 1894 .44mag. which has a micro-groove barrel. All of my other Marlins are newer with Ballard barrels.

I plan to shoot some lead cowboy-style bullets for plinking, but mostly will be shooting jacketed hollow point .44 mag ammo. I'd like to be able to switch back and forth between these bullet types. Is that ok with a micro-groove barrel?

What should I know about shooting with a micro-groove barrel?
 

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DHart, Make sure your cast are at least .001 or .002 oversize ie .430 or .431 Have fun. Micro grooved bbls have gotten a lot of bad press in the cast dept. When the bullet fits it shoots.
 

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DHart -

Swany knows of which he speaks... .431" hard cast lead for the 44 Rem Mag or 44 Spcl; .429" for the 44-40 Win.

www.gmdr.com/levern/2004-1493.jpg

From a Marlin 1894s, 44-40 Win, microgroove barrel, 1:36 twist,
240gr swcl .429", HS6 10.0gr, 1.630" oal, rp brass, wlr, 72degF,
1166fps, 5.4fps SD, 15.1fps ES, .99" 9 shot group (50 yrds),
[plus a 10th shot where the shooter totally lost focus ;-) ],

and at such reduced velocities it doesn't beat you up like full house 44 mag hunting loads - fun to shoot, cheap to shoot, and worth shooting.


do shoot straight,
greg
www.gmdr.com
 
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