Watch latest videos, sometimes even early releases! Sign up for the newsletter 🗞️ https://tinyurl.com/9HoleReviews or https://tinyurl.com/SlateBlack AKSHUALLLLY... the AR15 is technically not direct impingement... well sort of. It's an internal piston. Sometimes called gas impingement internal piston. Cheers to pedantic arguments. Video brought to you by @midwayusa https://utreon.com/c/9HoleReviews/ http://www.patreon.com/9HoleReviews https://rumble.com/c/9HoleReviews You an also access the Practical Accuracy Scoreboard here 👉 https://www.9holereviews.com/practical-accuracy Consider supporting us via Patreon! Consider visiting our supporter @SlateBlackIndustries 👉 Discount Code "9HOLE" Shopping on Amazon? Do you like sweet [yet tasteful] gun morale patches? Shopping with this link costs you nothing, but helps support our channel 👉 https://amzn.to/3trn9ju Music by Tyops (THANKS!!!) __________________________________________________________________ We love mail: 9 Hole Reviews 21175 Tomball Pkwy. No. 480 Houston, Texas 77070 0:00 - Midway 00:12 - Matrix 00:26 - Opener 00:59 - War Thunder 02:29 - Internal Piston - AR15 07:11 - External Piston - AK74 08:00 - AR15 tear down 09:48 - Patreon 11:15 - End