Summary: <br> Barrels of fun<br> <br> <br> <br> Sponsors: Primary Arms <a href="http://frn.deals/pa?fbclid=IwAR0WjCB7UPNd_DU-BTuYMETj1P9tUiPvSvCO9tpr-ngOrRw2shb-cSwXgsY" target="_blank" rel="noreferrer noopener">frn.deals/pa</a> Patriot Patch Co <a href="https://patriotpatch.co/">https://patriotpatch.co/</a><br> <br> <br> <br> <a href="https://vzgrips.com/">https://vzgrips.com/</a> code: AR15PODCAST<br> <br> <br> <br> <a href="https://www.avantlink.com/click.php?tt=cl&merchant_id=96ad39a2-95fb-4693-bdf1-5a90cfb6df08&website_id=3e1f7298-d3b2-48ee-ac01-7116fc8e1857&url=http%3A%2F%2Ffaxonfirearms.com">https://www.avantlink.com/click.php?tt=cl&merchant_id=96ad39a2-95fb-4693-bdf1-5a90cfb6df08&website_id=3e1f7298-d3b2-48ee-ac01-7116fc8e1857&url=http%3A%2F%2Ffaxonfirearms.com</a> – Faxon Firearms affiliate link<br> <br> <br> <br> <a href="https://www.avantlink.com/click.php?tt=ml&ti=689713&pw=304901">https://www.avantlink.com/click.php?tt=ml&ti=689713&pw=304901</a> – Palmetto State Armory affiliate link<br> <br> <br> <br> <a href="https://www.avantlink.com/click.php?tt=cl&merchant_id=3b3250a4-1c69-4622-aba2-bfa731775635&website_id=3e1f7298-d3b2-48ee-ac01-7116fc8e1857&url=https%3A%2F%2Fmymedic.com%2F">https://www.avantlink.com/click.php?tt=cl&merchant_id=3b3250a4-1c69-4622-aba2-bfa731775635&website_id=3e1f7298-d3b2-48ee-ac01-7116fc8e1857&url=https%3A%2F%2Fmymedic.com%2F</a> – My Medic Affiliate link<br> <br> <br> <br> <a href="https://trueshotgunclub.rfrl.co/8wr66">https://trueshotgunclub.rfrl.co/8wr66</a><br> <br> <br> <br> <a href="https://trigger-interactive.myshopify.com?aff=7">https://trigger-interactive.myshopify.com?aff=7</a><br> <br> <br> <br> <a href="https://ar-15-podcast.creator-spring.com/">https://ar-15-podcast.creator-spring.com/</a><br> <br> <br> <br> Contact us! <a href="mailto:AR15podcast2.0@gmail.com">AR15podcast2.0@gmail.com</a><br> <br> <br> <br> Intagram: @ar15podcast2.0<br> <br> <br> <br> Facebook: https://www.facebook.com/ar15podcast<br> <br> <br> <br> 4140 steel – not the best nor is it mil spec 40% carbon<br> <br> <br> <br> 4150 steel – 50% carbon harder molybdenum steel not mil spec<br> <br> <br> <br> 4150 CMV /41v50 Chrome moly vadanium ChMoV<br> <br> <br> <br> Melonited vs parkerised<br> <br> <br> <br> Mel is harder and doesn’t need chromelining and is better against corrosion<br> <br> <br> <br> Stainless<br> <br> <br> <br> Stainless doesn’t need a finish as much. Still can rust but doesn’t always<br> <br> <br> <br> 416 softer easier to machine higher sulfer content fails easier at low temps<br> <br> <br> <br> 416R has molybdenum and preforms better in cold but still easy to machine<br> <br> <br> <br> 17-4-PH Parcipitent Hardening Makes little pores to strengthen the steel 3-5x cost and isn’t a good machine gun barrel<br> <br> <br> <br> Carbon fiber barrels<br> <br> <br> <br> Still a steel barrel but has a carbon fiber wrap for heat mitigation and weight savings<br> <br> <br> <br> Rifling<br> <br> <br> <br> Button rifled cheapest and fastest rougher way to make it. It pushes a bit through the bore to add the rifling<br> <br> <br> <br> Cut rifling cutter runs down barrel and expands a tiny bit each time oldest and a cleaner method could be the most accurate<br> <br> <br> <br> Cold hammer forging barrels are hammered around a mandrel that is then screwed out of the barrel after it is completed<br> <br> <br> <br> Gas legnths<br> <br>
