Gemtech Viper on Lage Max 11 Mounting Solutions?

Rainman76

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Hello! I’m just getting back into the game after basically having the Mac in a safe for 17 years (raising kids blah blah blah). My enthusiasm to get everything sorted far outweighs my actual knowledge. So after scouring the Internet for a maker of collar brackets for the viper and receiving 6 of them (“just in case” LOL) and finally loosening the flash suppressor on the Lage that has had 17+ years to bond in place, I gleefully went to mount the Viper on the Lage upper only to see the thread sizes are completely different. Comical I know...

So seeing how incompetent I can be when left to my own devices, I now call on the Mac Gods to help a brother out. Is there a turn key solution/thread adapter to mount a Viper to a max 11? Something quick, cheap or both? I see that my Wolfman suppressor on my home defense weapon is subgun rated. Am I better off tri lugging the max 11, using the Wolfman and selling the Viper? Thank you all in advance!
 

Tinman45

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I have a Gemtech Viper that threads directly onto my PS/OEM MAC uppers. It would thread onto my Lage upper except that the barrel is a touch too long and bottoms out before the threads can make contact, I’ve been meaning to get it trimmed. Is your Viper maybe meant for a MAC10? I know there are thread adapters to take M11 threads up to M10 size. Forgetting the thread numbers but I’ll look it up and edit.

Edit 7/8-9 vs 3/4-10.
 
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Rainman76

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I have a Gemtech Viper that threads directly onto my PS/OEM MAC uppers. It would thread onto my Lage upper except that the barrel is a touch too long and bottoms out before the threads can make contact, I’ve been meaning to get it trimmed. Is your Viper maybe meant for a MAC10? I know there are thread adapters to take M11 threads up to M10 size. Forgetting the thread numbers but I’ll look it up and edit.

Edit 7/8-9 vs 3/4-10.
Thanks for the replies Tinman. It definitely fits my OEM upper (but that’s useless since it can’t hold an optic). It doesn’t go on nicely on my aftermarket side cocker unfortunately and I want the benefit of the Lage slow fire good ness either way. I was surfing Lage’s site (insane to see how far he’s taken things 17 years later) and it looks like he offers a replacement barrel:

8-5/8" Barrel, 3/4-10 Thread #64 Made from 4140 Chrome Moly steel and finished in black oxide, these 8-5/8 inch barrels are threaded 3/4-10 on the muzzle for use with the standard M-11/9 suppressor.​

I’ll grab that with his Viper collar and then should be good to go. Thanks again!
 

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