Owner/Instructor at Semper Paratus Arms
Facebook: https://www.facebook.com/SemperParatusArms/
Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/
M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141
Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
I spy a sionics 14.5 mid in that data...either sionics is holding back or someone has a unicorn haha.
I agree with the Colt statement but I do have some early BCM mid barrels that pin out at .072 and later examples show .076. Apparently DD is making some changes to the MK18 ports but have seen some, and have had some variance with them. My Centurion barrels seem consistent. Some changes in KAC port sizes in Older vs new production examples. Not saying that they are drastic, but some defently worth noting.
Philippians 4:13
It's always been 0.080"/0.081" AFAIK. I suspect that the reason for this is that originally they were offering 14.5" mid barrels that were just their 16" barrels cut down, so they just ordered one size gas port for both. Speculation on my part, but I beleive that it is a hold over from when they were doing this.
Owner/Instructor at Semper Paratus Arms
Facebook: https://www.facebook.com/SemperParatusArms/
Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/
M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141
Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
Owner/Instructor at Semper Paratus Arms
Facebook: https://www.facebook.com/SemperParatusArms/
Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/
M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141
Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
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Last edited by bfoosh006; 08-29-17 at 20:38.
Great, now even Google knows how overgassed most barrels are!
Black River Tactical
BRT OPTIMUM Hammer Forged Chrome Lined Barrels - 11.5", 12.5", 14.5", 16"
BRT EZTUNE Preset Gas Tubes - PISTOL, CAR, MID, RIFLE
BRT Bolt Carrier Groups M4A1, M16 CHROME
BRT Covert Comps 5.56, 6X, 7.62
"That thing looks about as enjoyable as a bowl of exploding dicks." - Magic_Salad0892
"The body cannot go where the mind has not already been."
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