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The Range
Military Surplus
U.S. Army Patents New M4A1 Rifle Barrel
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<blockquote data-quote="RugersGR8" data-source="post: 3396211" data-attributes="member: 56"><p><strong><a href="https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/" target="_blank"><span style="font-size: 12px">https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/</span></a></strong></p><p><strong><span style="font-size: 22px">US ARMY INVENTS NEW HEAVY BARREL FOR M4</span></strong></p><p>Thread starter<a href="https://www.thearmorylife.com/forum/members/xdman.41/" target="_blank">xdman</a></p><p>Start date <a href="https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/" target="_blank">Friday at 12:33 PM</a></p><p></p><p><strong><span style="font-size: 26px">&</span></strong></p><p></p><p><a href="https://www.firearmsnews.com/editorial/us-army-develops-new-fluted-barrel-for-m4-carbine/378850" target="_blank">https://www.firearmsnews.com/editorial/us-army-develops-new-fluted-barrel-for-m4-carbine/378850</a></p><p><span style="font-size: 22px"><strong>US Army Develops New Fluted Barrel for M4 Carbine</strong></span></p><p><strong><span style="font-size: 15px">C.P.T. Danrit - July 10, 2020</span></strong></p><p><span style="font-size: 15px"><strong>Two engineers at Picatinny Arsenal have developed a patented spiral fluting for M4A1 barrels to dissipate heat faster and prolong cyclical firing.</strong></span></p></blockquote><p></p>
[QUOTE="RugersGR8, post: 3396211, member: 56"] [B][URL='https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/'][SIZE=3]https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/[/SIZE][/URL] [SIZE=6]US ARMY INVENTS NEW HEAVY BARREL FOR M4[/SIZE][/B] Thread starter[URL='https://www.thearmorylife.com/forum/members/xdman.41/']xdman[/URL] Start date [URL='https://www.thearmorylife.com/forum/threads/us-army-invents-new-heavy-barrel-for-m4.3373/']Friday at 12:33 PM[/URL] [B][SIZE=7]&[/SIZE][/B] [URL]https://www.firearmsnews.com/editorial/us-army-develops-new-fluted-barrel-for-m4-carbine/378850[/URL] [SIZE=6][B]US Army Develops New Fluted Barrel for M4 Carbine[/B][/SIZE] [B][SIZE=4]C.P.T. Danrit - July 10, 2020[/SIZE][/B] [SIZE=4][B]Two engineers at Picatinny Arsenal have developed a patented spiral fluting for M4A1 barrels to dissipate heat faster and prolong cyclical firing.[/B][/SIZE] [/QUOTE]
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U.S. Army Patents New M4A1 Rifle Barrel
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