Polymer / lightweight magazines 300 PRC

AFmaryland

Lil-Rokslider
Joined
Jun 19, 2023
Messages
211
I see there are some metal AICS magazines for the 300 PRC but when building a light hunting rifle I’d rather shed some weight if possible.

Any suggestions on a lightweight option for the 300 PRC magazine?
 
Joined
May 28, 2013
Messages
1,624
Location
Littleton, CO
Would this work with a chassis though? I didn’t think you could do a bottom metal with a chassis
Correct.

Polymer magazines are thicker to take the abuse. Thicker means less available length. 300prc is 3.7" so that isn't feasible.

Run an MK Machining single shot sled then single feed. That's the lightest option
 
OP
AFmaryland

AFmaryland

Lil-Rokslider
Joined
Jun 19, 2023
Messages
211
Correct.

Polymer magazines are thicker to take the abuse. Thicker means less available length. 300prc is 3.7" so that isn't feasible.

Run an MK Machining single shot sled then single feed. That's the lightest option
I’ll check it out thank you
 
Joined
Jan 9, 2023
Messages
343
Location
NV
I just got the newish MDT 3 round polymer magazine meant for 300WM to work for 300 PRC. Out of the box it is barely long enough but I filed the front inside to give it a little more length and then had to file the inside of the mag just a little where the shoulder of the case is so that it slides smoothly while feeding.
 

ChrisAU

WKR
Joined
Jan 12, 2018
Messages
6,720
Location
SE Alabama
I just got the newish MDT 3 round polymer magazine meant for 300WM to work for 300 PRC. Out of the box it is barely long enough but I filed the front inside to give it a little more length and then had to file the inside of the mag just a little where the shoulder of the case is so that it slides smoothly while feeding.

Interesting. May have to try this myself.
 
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