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<p>[QUOTE=&quot;Blaubart, post: 1928599, member: 37498&quot;]Just FYI - A .22 LR, one of the lowest energy cartridges out there, will penetrate a half dollar when shot square on.</p><p><br /></p><p>[MEDIA=youtube]lsZSc64AHoc[/MEDIA]</p><p><br /></p><p>(I don&#039;t think the guy realized that a 1965 half is 40% silver.&nbsp; Oops!)</p><p><br /></p><p>While it was somewhat secured in a wooden base, the bullet would have passed through the coin was in the air.&nbsp; I have shot quarters taped to paper targets without any backing and a .22 LR passed right through.&nbsp; The mass of the coin and the speed of the bullet makes it so that it doesn&#039;t simply push the coin.</p><p><br /></p><p>When I was a kid, I used to place a quarter on the end of the barrel of .177 caliber pellet gun pointed straight up and it would push through the quarter (barely).&nbsp; Similar to the coin on the right:</p><p><br /></p><p><img src="http://photos-c.ak.fbcdn.net/hphotos-ak-snc1/hs012.snc1/4200_578520564842_185105279_34510026_2638506_n.jpg" class="bbCodeImage wysiwygImage" alt="" unselectable="on" /> </p><p><br /></p><p>The ammo he was using in the video above was CCI Mini Mag, which is right around the middle of the road in the .22 LR family as far as energy goes:</p><p><br /></p><p>CCI Standard Velocity - 102 ft-lbs</p><p>CCI Mini Mag - 135 ft-lbs</p><p>CCI Stinger - 191 ft-lbs</p><p><br /></p><p>If a bullet with 135 ft-lbs of energy can penetrate a clad half, I suspect a bullet with 191 ft-lbs could penetrate a silver dollar, but I&#039;m not going to try it.</p><p><br /></p><p>Just for comparison, here&#039;s how much energy other handgun calibers have:</p><p><br /></p><p>9mm - 380-500 ft-lbs</p><p>.45 - 350-616 ft-lbs</p><p>.44 mag - 760-1533 ft-lbs</p><p><br /></p><p>Older handguns had less energy (150-400 ft-lbs) than modern center fire calibers, but they were also shooting 90% silver coins, which are softer and easier to penetrate than cupro-nickel clad coins.</p><p><br /></p><p>So, yes, virtually any handgun could have enough energy to put a hole in a dollar.&nbsp; But, as mentioned above, much depends on the angle at which the coin is struck.[/QUOTE]</p><p><br /></p>

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