Noob Questions About Suppressors (OKC Area)

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So 5/8"x24 and 1/2"x28 are the mainstream for most threaded barrels?

There are other thread pitches out there. Most european guns use a metric thread. Here is a list:
.22 LR, .22 MAG, .17 HMR
The standard thread for these calibers is 1/2x28.
9mm
  • 1/2x28 is the most common thread for 9mm weapons - both carbine and pistol.
  • H&K weapons use the M13.5x1 LH thread pitch
  • Sig Sauer weapons use the M13.5x1LH thread pitch
.40 S&W
  • 9/16x24 is the most common thread pitch for .40 cal weapons.
  • H&K weapons use the M14.5x1 LH thread pitch
.45
  • .578x28 is the most common thread for .45 cal weapons.
  • H&K USP Tactical uses the M16x1 LH thread pitch
  • H&K Mark 23 (Socom) uses the M16x1 RH thread pitch
5.56mm (.223)
  • AR-15s use the 1/2x28 thread pitch
  • Steyr Aug uses the M13x1 LH thread pitch
  • H&K weapons use the M15x1 thread pitch
  • Ruger Mini uses 9/16x24 thread pitch
7.62mm (.308)
  • 5/8x24 is the most common thread for 7.62mm/.308 weapons
  • Sako TRG uses the M18x1 thread pitch
  • Accuracy International uses the M18x1.5 thread pitch
  • AK-47s use the M14x1LH thread pitch
.338LM
  • 5/8x24 is the most common thread for .338LM weapons
  • Sako TRG uses the M18x1 thread pitch
  • Accuracy International uses the M18x1.5 thread pitch
  • Desert Tactical Arms uses the 3/4x24 thread pitch
 
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For can covers I've got an Armageddon high-temp, a Rifles Only HAD, a Bower's Griptastic (which is awesome on my direct thread Form-1 22lr suppressor), and a custom from hunter-steve on snipers hide. All 4 seem to work well but I think the RO HAD is my favorite...

The custom one is for my direct thread Lane scorpion magnum can and I haven't had a chance to shoot that one yet. The Armageddon and Rifles Only covers are on QD cans and I have definitely noticed some movement no matter how tight I cinch them down.

Most use some carbon or ceramic layer as a heat barrier to go up against the can. The griptastic is ribbed silicone and is super grippy (hence the name I guess) with no outer cover needed.
 
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