Black Dog - drum mags

Black Dog Mags

Had to sand down the lips as the bolt dragged when passing over causing mis-feeds. After that they worked very nice in my 10-22, still the odd mis-feed on my SR-22 but 10,000% better than the Promag POS. Only concern is the longevity of the plastic lips.
 
touch157 said:
Had to sand down the lips as the bolt dragged when passing over causing mis-feeds. After that they worked very nice in my 10-22, still the odd mis-feed on my SR-22 but 10,000% better than the Promag POS. Only concern is the longevity of the plastic lips.
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Can you explain the sanding of the lips? My Blackdog Drum mag is the only mag that doesnt always feed properly in my 10/22.

Thanx,
 
Black Dog Mags

Ok, biggest headache was the SR22, the bolt would rub on the lips when picking up the next shell so it wouldn't chamber it completely causing a jam. Took a piece of sandpaper and took a bit off the lip. Ideally, the bolt should glide smoothly everytime and it took a few tries till I got it to where it slides so the bolt slams shut. The mag is meant for the 1022 but I thought the SR22 was the same design but on mine there's this friction problem. The sanding actually made it better on the 1022. I have a 1022 with the Thompson kit and it looks and shoots nice.
 
touch157 said:
Ok, biggest headache was the SR22, the bolt would rub on the lips when picking up the next shell so it wouldn't chamber it completely causing a jam. Took a piece of sandpaper and took a bit off the lip. Ideally, the bolt should glide smoothly everytime and it took a few tries till I got it to where it slides so the bolt slams shut. The mag is meant for the 1022 but I thought the SR22 was the same design but on mine there's this friction problem. The sanding actually made it better on the 1022. I have a 1022 with the Thompson kit and it looks and shoots nice.
Click to expand...

Yup, Ive got a 10/22 Thompson as well, and the only mag that I have issues with is the drum...maybe Ill give the sanding a try.
 
Thanks for the info guys, i'll be giving this a more serious look. As i'm not much of a rimfire guy, is there a better 50 round drum product on the market?
 
I have 2, initially they had the odd FTF, as the feed ramps and lips found their groove. Now It will function 43 of 50 fine, the tension/shell angle seems to change up for the last 7 or so on the rubber moulded follower.
 
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