School me on threaded barrels/suppressor mounts

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Jul 14, 2015
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So I've got my first non .22 can coming soon hopefully (Rugged Obsidian) and I don't really know much about all the options on how to mount it. My main host will be a G19, 10.5" 300 BO AR, 1911 .45, and some sort of pistol caliber carbine that I'm still shopping for. Im very confused with all of the mounting options and barrel thread options. Since I'm basically starting from scratch, what should i look to buy?
 

dial1911

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These are the typical threads/pitches:

9mm: "American/Non-factory Glock" thread 1/2x28. Glock factory barrels will be metric- not compatible with 1/2x28. Lone Wolf, Storm, other non-factory barrels will probably be 1/2x28. Standard AR 9mm threads are 1/2x36 (I think- might have messed up the 36 thread per inch (TPI) number).

.300 BLK will be 5/8x(24??) really don't recall the thread pitch for that one.

.45ACP is a really weird number- it's some made up pitch and diameter to work with the old WWII 1911 barrels.

Turns out I'm not much help. I'll try to find this thread tomorrow and correct some of this.
 

boss_hawg

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These are the typical threads/pitches:

9mm: "American/Non-factory Glock" thread 1/2x28. Glock factory barrels will be metric- not compatible with 1/2x28. Lone Wolf, Storm, other non-factory barrels will probably be 1/2x28. Standard AR 9mm threads are 1/2x36 (I think- might have messed up the 36 thread per inch (TPI) number).

.300 BLK will be 5/8x(24??) really don't recall the thread pitch for that one.

.45ACP is a really weird number- it's some made up pitch and diameter to work with the old WWII 1911 barrels.

Turns out I'm not much help. I'll try to find this thread tomorrow and correct some of this.

Some 9mm barrel mfgs will thread 1/2x28 - adco and maybe ballistic advantage.

Most don't because they don't want you to mistakenly put a .223 muzzle device on a barrel with a larger diameter bullet like a .38 caliber 9mm. Bad things can happen when your bullet is larger than your muzzle device!

There are a couple of new cans on the market like the Silencerco hybrid and the Liberty Mystic x that can accommodate a range of calibers. I think I remember a new griffin can that is a "one size fits most" for many popular calibers. The name escapes me at the moment.

Do your research and make sure your suppressor will accommodate the calibers (and speeds) plus barrel length you want to use. For instance, I don't believe that many of the 223/555 cans on the market are warranties for barrels shorter than 10.5". Also, some cans are rated for subsonic 300 blk but again - bad things may happen if you slip up and shoot cheaper supersonic ammo through them.

Do your research and ask specific questions because there are members here who know much more than myself.
 
Jul 14, 2015
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Atlanta
Zip code
30306
i guess i need to know which barrel threads for the glock and why? which type of mounting system/ which brand piston etc? I hear its compatible with Silencerco and Griffin Pistons but know nothing about either
 

boss_hawg

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even though folks rave about the metric left hand factory Glock threaded barrels, you'll probably find that it's cheaper and easier to go with an after market 1/2x28 barrel. the pistons and mounts are much easier to find in my experience.
 
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DoglegArms

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So I've got my first non .22 can coming soon hopefully (Rugged Obsidian) and I don't really know much about all the options on how to mount it. My main host will be a G19, 10.5" 300 BO AR, 1911 .45, and some sort of pistol caliber carbine that I'm still shopping for. Im very confused with all of the mounting options and barrel thread options. Since I'm basically starting from scratch, what should i look to buy?
You'll need 3 mounts/adapters:

1/2x28 piston for 9mm
.578x28 adapter for 45ACP
5/8x24 adapter for 300BLK

Edit: Unless you have weird ass metric threads.
 

Laufen

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i guess i need to know which barrel threads for the glock and why? which type of mounting system/ which brand piston etc? I hear its compatible with Silencerco and Griffin Pistons but know nothing about either
Hey man, if you end up with a CZ Scorpion Evo I have an extra 1/2x28 thread adapter. I'll make you a hell of a deal.