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Page AR-15 » AR Variants
AR Sponsor: bravocompany
Posted: 5/5/2024 11:40:32 PM EDT
Anyone ever cut down a 16” mid-length 6.8 barrel to 12-12.5”?

Did it need gas port mods?

I know there are some 12.5” barrels already available out there.
Link Posted: 5/6/2024 9:51:24 AM EDT
[#1]
Haven't done a 6.8, but experience with others indicates that unless the port is large for it's current position it will likely need to be opened up.
Link Posted: 5/6/2024 3:21:49 PM EDT
[#2]
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Originally Posted By s4s4u:
Haven't done a 6.8, but experience with others indicates that unless the port is large for it's current position it will likely need to be opened up.
View Quote

Thanks for the reply!

I've assumed that 6.8 is not as gas port size/location sensitive as 5.56, especially using a suppressor, but I got some good input on port sizes on another forum, so I think I am good.
Link Posted: 5/6/2024 4:05:21 PM EDT
[#3]
Discussion ForumsJump to Quoted PostQuote History
Originally Posted By kc3:

Thanks for the reply!

I've assumed that 6.8 is not as gas port size/location sensitive as 5.56, especially using a suppressor, but I got some good input on port sizes on another forum, so I think I am good.
View Quote



Ya, it all depends on what you have now.  Port sizes are all over the map.
Page AR-15 » AR Variants
AR Sponsor: bravocompany
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