Sawbones & others: I want to add that I've had/still have big problems in getting my Glock 30 to feed reliably. Not so with my l others Glocks which feed perfectly.
The problem occurrs frequently with wide-mouthed HPs the same way every time (low feed; jam on bottom of fee ramp or front plastic edge of mag). So I switched to .400 corbon - which I wanted to anyway. Did that solve the problem? No, not at all. Still frequently jams low. Oddly, "limp-wristing" will help this situation, but I refuse to limp-wrist on purpose, as a firm hold is my natural grip. First, I put in +10% Wolff springs - helped a lot, but still one jam is too many, and I was getting 3-4 out of 50 - not acceptable at all.
So, I finally discovered it was a mag problem, not a gun-proper problem. I took the mags out, loaded them fully (they're supposed to hold 10, but with the Wolff springs, it takes an act of God to just get 9 in), then I simply manually pushed the top round out quickly with my thumb. A-Ha!! What happened? the next round was pushed all the way forward until it hit the front of the mag (about 1/4"), AND, more importantly, it was off-kelter with the nose SEVERELY down. I inserted the mag with slide open, released the slide and yep, it jammed way low. This consistently repeated every time there was 8 or 9 rounds in the mag. With 7 or fewer, the next round may or may not "jiggle" up to the top properly.
This is driving me nuts because the +10 springs should have fixed it. Perhaps dry-lube would work. Perhaps squeezing the rear of the feed lips closer together would keep the rear of the round down and therefore the nose up. The basic problem it seems, is that the mag spring/follower exerts too much pressure on the rear of the round relative to the front (i.e. not enough pressure on the front of the round relative to the rear). The problem persists with both the relatively "weak" factory mag springs and the +10s, and both with 45 and 400cb.
It also seems that the rounds are too short for the mag. If the front-to-rear dimension of the mag was shorter, then the round in question which is supposed to pop up would be prevented by the bullet nose from being pushed forward by friction from the round on top of it when it's fed, thereby preventing the lower round's nose from diving (i.e. if the round is kept flush against the rear of the mag liner, then the spring pressure will properly keep the nose from diving).
I have even dremeled down the front of the mags about 1/8" so that the "stuck-down" round about to feed will clear the front of the mag - but this doesn't do any good, because even though it will now clear the mag, it still sticks on the bottom of feed ramp - and it's not even close, so don't say lube or polish the feed ramp - that won't help. Bottom line to me is the Glock 30 sucks in terms of reliable feeding, and it's all in the mags- and don't tell me to use longer OAL or FMJ only - I don't want to, and should not have to.
This is perhaps a different topic from Glocks in general (which I still like, BTW), but does anyone have a suggestion for this problem?
The problem occurrs frequently with wide-mouthed HPs the same way every time (low feed; jam on bottom of fee ramp or front plastic edge of mag). So I switched to .400 corbon - which I wanted to anyway. Did that solve the problem? No, not at all. Still frequently jams low. Oddly, "limp-wristing" will help this situation, but I refuse to limp-wrist on purpose, as a firm hold is my natural grip. First, I put in +10% Wolff springs - helped a lot, but still one jam is too many, and I was getting 3-4 out of 50 - not acceptable at all.
So, I finally discovered it was a mag problem, not a gun-proper problem. I took the mags out, loaded them fully (they're supposed to hold 10, but with the Wolff springs, it takes an act of God to just get 9 in), then I simply manually pushed the top round out quickly with my thumb. A-Ha!! What happened? the next round was pushed all the way forward until it hit the front of the mag (about 1/4"), AND, more importantly, it was off-kelter with the nose SEVERELY down. I inserted the mag with slide open, released the slide and yep, it jammed way low. This consistently repeated every time there was 8 or 9 rounds in the mag. With 7 or fewer, the next round may or may not "jiggle" up to the top properly.
This is driving me nuts because the +10 springs should have fixed it. Perhaps dry-lube would work. Perhaps squeezing the rear of the feed lips closer together would keep the rear of the round down and therefore the nose up. The basic problem it seems, is that the mag spring/follower exerts too much pressure on the rear of the round relative to the front (i.e. not enough pressure on the front of the round relative to the rear). The problem persists with both the relatively "weak" factory mag springs and the +10s, and both with 45 and 400cb.
It also seems that the rounds are too short for the mag. If the front-to-rear dimension of the mag was shorter, then the round in question which is supposed to pop up would be prevented by the bullet nose from being pushed forward by friction from the round on top of it when it's fed, thereby preventing the lower round's nose from diving (i.e. if the round is kept flush against the rear of the mag liner, then the spring pressure will properly keep the nose from diving).
I have even dremeled down the front of the mags about 1/8" so that the "stuck-down" round about to feed will clear the front of the mag - but this doesn't do any good, because even though it will now clear the mag, it still sticks on the bottom of feed ramp - and it's not even close, so don't say lube or polish the feed ramp - that won't help. Bottom line to me is the Glock 30 sucks in terms of reliable feeding, and it's all in the mags- and don't tell me to use longer OAL or FMJ only - I don't want to, and should not have to.
This is perhaps a different topic from Glocks in general (which I still like, BTW), but does anyone have a suggestion for this problem?
