Will Abrahams Posted December 18, 2006 Share Posted December 18, 2006 ok so i did a search for tuned mags and got alot of information about how good they are and various experience with tuned and untuned mags. however, not a whole lot about what is being done to them. i have had mags (140mm and 170mm) tuned by Dawson, Bob Marvel and a few others. my question is what exactly is being done to a mag when its tuned, how can i check a mag after its been tuned to see what was done to it... for example...with a 38 super comp mag for an open gun 1)what should the dimensions of the feed lips be (width of the gap at the front and back)? 2)dimensions for the mag tube body? 3)should the inside always be polished? outside? 4)is there a certain way the top bullet should sit in a properly tuned mag? i dont know what else to ask? is anything else usually done to them? also, how does the gunsmith know the mag is tuned properly? what do they look for when they load the mag up, especially when they dont have your gun to test the mags on? thanks for any help and info Link to comment Share on other sites More sharing options...
Will Abrahams Posted December 20, 2006 Author Share Posted December 20, 2006 oh, come on...i know there are a bunch of gunsmiths that can give thier two cents on this one Link to comment Share on other sites More sharing options...
JFD Posted December 20, 2006 Share Posted December 20, 2006 A search will find many answers to your question. Link to comment Share on other sites More sharing options...
NCShooter Posted December 20, 2006 Share Posted December 20, 2006 http://www.brianenos.com/forums/index.php?showtopic=7133 Link to comment Share on other sites More sharing options...
uscbigdawg Posted December 20, 2006 Share Posted December 20, 2006 A search will find many answers to your question. Or a phone call from the above stated folks that you have had mags tuned by. Rich Link to comment Share on other sites More sharing options...
Jaxshooter Posted December 20, 2006 Share Posted December 20, 2006 At one time on the STI website they had the body and feed lip dimensions for thier double stack mags. I don't know if it is still on there or not. Hope this helps. Link to comment Share on other sites More sharing options...
SteveZ Posted December 20, 2006 Share Posted December 20, 2006 At one time on the STI website they had the body and feed lip dimensions for thier double stack mags. I don't know if it is still on there or not. Hope this helps. it is..... http://www.stiguns.com/cart/aboutmags.html Link to comment Share on other sites More sharing options...
Will Abrahams Posted December 21, 2006 Author Share Posted December 21, 2006 NCshooter - thanks for the link! lots of the stuff i was looking for. i dont know why my search for "mag tuning" didnt come up with alot of that stuff? the STI link is great too, thanks! Link to comment Share on other sites More sharing options...
shred Posted December 21, 2006 Share Posted December 21, 2006 FWIW, I know at least one mag tuner that had a notice in their mag-tuning area that said something like "These specifications are confidential information, do not release", so I wouldn't be surprised if there's not a lot of details on exact dimensions preferred by the tuners. The STI specs are pretty good-- if the gun is built right, it'll run with those. Link to comment Share on other sites More sharing options...
49COE Posted June 27, 2008 Share Posted June 27, 2008 (edited) The STI feed lip dimensions for 38 super, listed in the link on this thread are .355-.365. Does this mean that they should be somewhere between these measurements or is it a taper from one dimension to the other? If it is a taper which dimension is the front and which is the back? My mags are running like crap right now and I need to get them running at least well enough to survive the backorder time for Howard's mags. Any help would be appreciated. - Jeremy Edited June 27, 2008 by 49COE Link to comment Share on other sites More sharing options...
XD Niner Posted June 27, 2008 Share Posted June 27, 2008 The clear distance between the front edges of the feed lips should fall within this range. I know of at least one mag tuner who stays within 0.355 to 0.360 for 38 Super. Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now