Davidson Defense AR-47 ___ 7.62X39 AR

These are the most common ranges of diameters you'll find on AR-15 barrels measuring 11.5" to 24" in length. Port diameter also changes depending on the thickness of the barrel itself (0.625", 0.750", or 0.825"):


AR-15 GAS PORT SIZES

AR-15 Platform 5.56mm

20" rifle 5.56 0.0935

20" rifle 5.56 0.096

20" rifle 5.56 0.098

16" mid 5.56 0.078

16" mid 5.56 0.081

16" car 5.56 0.0625

16" car 5.56 0.065

16" car 5.56 0.07

14.5" car 5.56 0.067

14.5" car 5.56 0.086

12.5" car 5.56 0.065

12.5" car 5.56 0.081

11.5" car 5.56 0.081

11.5" car 5.56 0.089

24" rifle 5.56 0.089


AR-15 Platform 7.62x39mm Conversion

20" rifle 7.62x39 0.12

20" rifle 7.62x39 0.125

16" car 7.62x39 0.078

16" car 7.62x39 0.081

16" car 7.62x39 0.0938



This information was copy and pasted from a different sight. It does not directly tie into the information that I presented in the video from my findings. I thought it would be interesting to post as a point of comparison.


Mad Max Palmetto AR-10:    • Mad Max Palmetto AR-10  


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