https://stream.echo6.co/videos/watch/becc85b5-14e5-44b2-826e-86863de14733 Watch latest videos, sometimes even early releases! Sign up for the newsletter 🗞️ https://tinyurl.com/9HoleReviews or https://tinyurl.com/SlateBlack @HecklerKochTV 's MR556A4 has a barrel replacement policy... so let's make the best use of it and test the legendary hammer forged french cannon steel that they use to forge their barrels with. We have 10,000 rounds marked for this rifle and currently in this episode we draw the baseline with 3,102 rounds. @PrestonJMoore 's excellent video https://youtu.be/dkvEHYpSh1U?si=GcAtPl7E80F3G-lI MR556A4 10k barrel burn project Episode 1 - Baseline Episode 2 - Negotiating Obstacles & Recoil with a scoped carbine / SPR Episode 3 - Tripod employment with a scoped carbine / SPR Episode 4 - 0-500m speed drop with a scoped carbine / SPR 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? Help support our channel 👉 https://amzn.to/3AvwKML Music by Tyops (THANKS!!!) We love mail: 9 Hole Reviews 21175 Tomball Pkwy. No. 480 Houston, Texas 77070 Mon, 13 Apr 2026 18:42:03 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/becc85b5-14e5-44b2-826e-86863de14733 All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.