Jump to Latest Follow 1 - 18 of 18 Posts ... friends don't let friends buy promag. Stock up today! They worked flawlessly, but were covered in rust. New production M1 Carbine 15 round mags: why ProMag/Kahr Arms mags suck vs KCI Gen 2 Warning: not an expert, just a guy with some data I was going through my box of malfunction drill mags and it occurred to me that maybe I don't need half a dozen M1 Carbine mags that always shit the bed. We have a huge selection of after market firearm stocks, magazines and accessories all made in our facility in Arizona. Hey guys, I have a new model Auto-Ordnance M1 Carbine. CMP Forums > CMP Sales > M1 Carbine > Aftermarket 30rd Mag Suggestions. Magazine body and follower constructed of blued, heat-treated steel. M1 Carbine magazines. ProMag® M1 .30 cal. Fits all Mil-Spec, and most civilian Carbines. Of the three, the one from Keep Shooting was the worst. Originally I had lots of feed issues with the magazines I had (1 A-O 15 rd, 1 Promag 15 rd, and 1 KeepShooting.com 10 round). The famous “Banana Clip”. High-quality springs are precision wound using heat-treated chrome silicon wire. I was wondering if anyone knew of good quality aftermarket 30 round mags? Carbine Mag. PDA. 2 models Pro Mag M1 Carbine .30 Carbine Rifle Magazine (3) As Low As (Save Up to 27%) $13.89 On Sale ProMag Ruger SR40 10-Round .40 S&W Magazine (1) $25.99 (Save 22%) $20.39 After a while, I ordered some USGI 15, and a USGI 30. A 30-rd magazine for the U.S. Carbine M1. Product Description. A heat-treated Chrome-silicon wire spring ensures reliable feeding and function. 30-round magazine; Fits U.S. M1 Carbine .30 carbine; Fits all original G.I carbines and most post war reproductions; Magazine body constructed of heat … View Full Version : Aftermarket 30rd Mag Suggestions. The ProMag M1 Carbine magazine for sale at Omaha Outdoors is designed to fit the Auto Ordnance M1, as well as all .30 original G.I carbines and most post-war reproductions, giving you the extra round capacity you need for your treasured weapon. It is made of steel and comes in a blued finish. the promag m1 carbine mags (and most other promag products) are terrible. Replacement Mags by ProMag are made of high-carbon heat-treated steel. Expertly machined for exceptional quality and guaranteed to feed and function for every shot. And TIG-welded for strong, seamless welds. stick with the ones from keepshooting.com and aimsurplus and you should be ok if you can not find any USGI ones. The ProMag M1 Carbine Magazine is the perfect aftermarket magazine for your rifle. This magazine is for .30 Carbine and holds 30 rounds of ammunition. 01-05-2016, 12:54 PM. tripledoose. But if you want an M1 Carbine to run mostly flawlessly, you may need to do a little more work, especially if it’s a gun with a more storied history like this one. I have read a lot of reviews that the Promag magazines are junk.