1.Crippled 10 (9) round magazines are less reliable than regular 15/17rd mags.
2.Stovepipe jams would hint at weak ammo. UMC, for example, is pretty whimpy but combat ammo would do better.
Try swapping in different magazines. Try heavier bullet wight. If both still produce jams, send it in.
2.Stovepipe jams would hint at weak ammo. UMC, for example, is pretty whimpy but combat ammo would do better.
Try swapping in different magazines. Try heavier bullet wight. If both still produce jams, send it in.