DaveM Posted January 19, 2008 Share Posted January 19, 2008 I have a kimber 1911 that is going to slide lock with rounds still in the magazine. Originally I thought it was due to bullets clipping the slide stop as they come up because it is worse with 230 gr RN bullets. I am also using some 200 gr RNFP bullets they are better. But I seated both loads deeper and verified that they clear the slide stop by a bunch. Still have the problem and still worse with 230 gr. Anyone have any suggestions? I can do anything I want with a glock but I admit to being 1911 stupid. Link to comment Share on other sites More sharing options...
yoshidaex Posted January 19, 2008 Share Posted January 19, 2008 search and ye shall find..... Link to comment Share on other sites More sharing options...
G-ManBart Posted January 19, 2008 Share Posted January 19, 2008 Does it happen with more than one round in the mag? If so, the first thing I'd do would be to cut a dimple/detent in the slide stop lever for the plunger contacts it. The head of the plunger fits in the dimple and puts additional tension on the slide stop so it won't pop up unless it's hit hard by the mag follower. If it's only with one round left, take a look at the follower and the ledge that hits the slide stop. It's often easiest to take the slide off, put the slide stop lever back in and then put mags into the frame and see how things look. Link to comment Share on other sites More sharing options...
kz45 Posted January 19, 2008 Share Posted January 19, 2008 I had this same problem with my Edge, turned out it was the mag spring, not enough tension. The slide would strip a round and at the same time pull the round below forward enough so that the nose was engaging the slide stop. Replaced the spring and solved the problem Link to comment Share on other sites More sharing options...
03k64 Posted January 19, 2008 Share Posted January 19, 2008 I had the same problem, adding a detent to the slide stop fixed it. Link to comment Share on other sites More sharing options...
1911nm Posted January 20, 2008 Share Posted January 20, 2008 I had this same problem with my Edge, turned out it was the mag spring, not enough tension.The slide would strip a round and at the same time pull the round below forward enough so that the nose was engaging the slide stop. Replaced the spring and solved the problem et tu Kz45. Same thing here, just my bad for not changing springs when I should have. Link to comment Share on other sites More sharing options...
adweisbe Posted January 21, 2008 Share Posted January 21, 2008 (edited) This is something you can attack on three fronts. Stronger mag springs to keep cartridges from jumping around during recoil/feeding. Putting the detent into the slidestop. Relieving the slidestop so that it doesn't contact the bullet but still contacts the follower. You should see brass marks where the bullet is contacting the slidestop. Working with the mag in and slide off will give you an idea of what range of motion and contact things have and what surfaces are necessary for the slidestop and follower to work. Edited January 21, 2008 by adweisbe Link to comment Share on other sites More sharing options...
Dan Sierpina Posted January 21, 2008 Share Posted January 21, 2008 Since most of the mechanical stuff has been mentioned. Have you changed your grip? Is there a possibility of your left thumb hitting it? Is this a new occurance with a gun that you've had a while? If you have someone that loads 200 SWC's. Try them, there is almost no way that bullet will contact a slide stop. A detent will normally solve it, along with contouring the inside of the slide stop. Link to comment Share on other sites More sharing options...
DaveM Posted January 23, 2008 Author Share Posted January 23, 2008 Thanks everyone. I've already relieved the inside of the slide stop. I'm afraid to take anymore for fear that it will miss the follower all together and not lock open at all. I've ordered new mag springs mine are pretty old. I'm going to try that first and if that is no good I'll add a detent to the slode stop. This is a new to me gun, and I've not had any trouble with this on my old gun. One thumb is on the safety and the other is over top of and in front of the slide stop when I shoot so It shouldn't be that. Thanks again everyone now at least I have some ideas to try out. Link to comment Share on other sites More sharing options...
mscott Posted January 23, 2008 Share Posted January 23, 2008 I had a similar problem, but I was able to track it down to a couple of mags. The followers don't take to being tweeked and I broke one. When I replaced all the mag springs last year I had a couple followers riding over the slide stop, which locks things up real nice and makes you say bad words. I had an extra, so I ground the slide stop down to eliminate both problems. I'll have to pay more attention to when I need to change mags, but it is reliable now with all mags. Link to comment Share on other sites More sharing options...
JFD Posted January 23, 2008 Share Posted January 23, 2008 Some RN bullets can be pretty bad about contacting the slide stop if it isn't trimmed. Link to comment Share on other sites More sharing options...
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