Finally got a chance to take my new PSA 10 out to the range today. Shot absolutely flawlessly after I sighted it in, with PMAG 20 round magazines but when I put the PMAG d50 round drum on it I could not get it to go in because of the lever on the drum. If I manually pull the lever back and jammed the mag up into the PSA 10 it would go, but it would only fire one round and then jam because the lever doesn't have enough room to travel. Has anyone else had this issue and what would be the easiest fix. I'm thinking I can hacksaw half of the lever off to give it clearance but I'm also thinking I shouldn't have to do this right? I will also State this is my very first AR despite having many years of shooting experience. Any help would be greatly appreciated...Thanks
Sons of Liberty