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Bird_Dog0347

10mm/.40 SS mags for Major OR Minor

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So I plan to start shooting SS later this summer and since I already have the gun with some 8 round mags (CMC .40 mags as well as Wilson 47D .45 mags) that work perfectly I wanted to get the opinions of people who may have already gone down this path. Some matches/stages just setup better for 8 rounds vs. 10 rounds so I was thinking of getting the Tripp System Mags with the Flex follower for 10 rds and bringing major and minor ammo to the match and deciding when I get there, or just declaring minor and getting 10rds if need be. I already know I love .40 minor as it's super soft, and with those mags holding 10 rounds I think it's the perfect balance.

 

I searched but most threads on them are 1+ years old, so I'm hoping for some specific advice before I start buying them at $50 a pop.

 

My gun is a SVI .40 Single Stack with the large competition style magwell (no front relief), and currently has no problem eating factory length or long loaded .40 ammo in either minor or major out of any of the mags I currently have... I'm thinking I'll buy 1 mag to begin with and add a Corey follower that only gives it 9rd capacity with the aluminum base pad and test with that first. That minimizes my initial investment risk and gives me time to play and make sure it fits in the box and makes weight, but most importantly runs 100% before I go full retard.

 

What say the experts?

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My guns feed perfect out of 8 or 9 round mags 

Wilson, CMC, tripp old Delta elite mags basically anything

But

They don't seem to like the 10 rounders

Virgil said during a phone call to send the gun to him and he'd make them work!

Haven't taken him up on it yet, cause I bring a 9mm that is ready to go if the match favors 10 rounds that much!

FWIW

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Same experience and same offer... But figured the problem was his mags, not my gun as gun ran fine with  metalform 9 round 10mm's  with long loaded and the extended length (also metalform)  10 rounder 40's I used for factory ammo   in Hi.
After returning to VA, I figured I would only be using that gun in IDPA and was better off with 9 round mags anyways so returned the Trip mags. Havent tried any other 10 round setups... I am assumign you cant use any type of extended mag in SS ?

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18 hours ago, Joe4d said:

Same experience and same offer... But figured the problem was his mags, not my gun as gun ran fine with  metalform 9 round 10mm's  with long loaded and the extended length (also metalform)  10 rounder 40's I used for factory ammo   in Hi.
After returning to VA, I figured I would only be using that gun in IDPA and was better off with 9 round mags anyways so returned the Trip mags. Havent tried any other 10 round setups... I am assumign you cant use any type of extended mag in SS ?

It's gotta make weight and fit in the box... I don't know that I care that much about 10rd vs. 9, but would prefer 9 over 8 just so I don't have to barney load on the first one. I may just buy 1 and test it to see, it's not that much money in the big scheme if it doesn't work.

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Well USPSA is a different game, you will definitely want to go 10+1 if you are shooting SS minor. Lots of folks seem to think highly of Tripp mags so it's worth a shot. Might be fine.  Like I said for me it wasnt worth the hassle to see what the issue was. As mentioned I could use the extended 10 rounders for USPSA (shooting limited in a 10 round only state) and was better off with 9 rounders for IDPA ( at least back then) Probably could have been fixed with different bullet profile or OAL,  Or maybe the springs were just too tight and needed broken in. Who knows,, but worth it to figure out in your case.

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