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Gun Club/Range Talk
Lawton Gun Shop Seeks Help to Build a Range
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<blockquote data-quote="Pokinfun" data-source="post: 2994600" data-attributes="member: 28113"><p><strong>copied from another forum</strong></p><p><strong></strong></p><p><strong>Facts on noise levels: </strong></p><p>1. Decibels measure sound pressure and are logarithmic. That means that only a 3db increase almost doubles sound pressure, a 6db increase quadruples sound pressure, etc.</p><p>2. Gradual hearing loss may occur after prolonged exposure to 90 decibels or above.</p><p>3. Exposure to 100 decibels for more than 15 minutes can cause hearing loss.</p><p>4. Exposure to 110 decibels for more than a minute can cause permanent hearing loss.</p><p>5. At 140 dBA noise causes immediate injury to almost any unprotected ear. </p><p>6. There is also the more extreme ‘acoustic trauma’, which is an immediate loss of hearing after a sudden, exceptionally loud noise such as an explosion.</p><p></p><p><strong>Comparative noise levels and length of time for damage to occur</strong></p><p>Jet engine taking off 140 dB Instant damage </p><p>Thunder/Ambulance siren 119 <a href="http://www.amazon.com/dp/B003T6N6HQ" target="_blank"><u>dB 3</u></a> minutes </p><p><a href="http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=603&BEFID=96424&acode=600&code=600&aon=&crawler_id=523588&dealId=hpyDqEMY4sj6WGcFtlEPbQ%3D%3D&searchID=&url=https%3A%2F%2Fads.midwayusa.com%2Fproduct%2F931100%2Fwasp-archery-hammer-sst-3-blade-fixed-blade-broadhead-100-grain-stainless-steel-pack-of-3%3Fcm_mmc%3Dpf_ci_ebay-_-Archery%2B-%2BBroadheads%2Band%2BPoints-_-Wasp-_-931100%26sdc_id%3DeBay&DealName=Wasp%20Archery%20Hammer%20SST%203-Blade%20Fixed%20Blade%20Broadhead%20100%20Grain%20Stainless%20Steel%20Pack%20of%203&MerchantID=523588&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=35.49&SKU=931100" target="_blank"><u>Hammer</u></a> drill 113 dB 15 minutes </p><p>Chain saw/Earphones/Concert 110 dB 30 minutes </p><p>Bull Dozer 105 dB 1 hour </p><p>Tractor/Power tools 96 dB 4 hour </p><p>Hairdryer/lawnmower 90 dB 8 hours</p><p></p><p><strong> Noise levels of firearms: </strong></p><p>.22 caliber rifle 130dB</p><p>.223, <a href="http://www.brownells.com/ammunition/rifle-ammo/223-remington-55gr-fmj-500-ammo-can-surefire-60-sku105000496-82410-168928.aspx?gdffi=06c704a58a054b638babf83ebee5e383&gdfms=0545830550FB4DC5B9F7A4AEC8ABCE0D" target="_blank"><u>55GR</u></a>. Commercial load 18" <a href="http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274" target="_blank"><u>barrel</u></a> 155.5dB </p><p>.243 in 22" barrel 155.9dB </p><p>.30-30 in 20" barrel 156.0dB. </p><p>7mm Magnum in 20" barrel 157.5dB. </p><p>.308 in 24" barrel 156.2dB.</p><p>.30-06 in 24" barrel 158.5dB. In 18" barrel 163.2dB. </p><p>.375 18" barrel with muzzle brake 170 dB. </p><p>.410 Bore 28" barrel 150dB. 26" barrel 150.25dB. 18" barrel 156.30dB. </p><p>20 Gauge 28" <a href="http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274" target="_blank"><u>barrel</u></a> 152.50dB. 22" barrel 154.75dB. </p><p>12 Gauge 28" barrel 151.50dB. 26" barrel 156.10dB. 18" <a href="http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274" target="_blank"><u>barrel</u></a> 161.50dB. </p><p>.25 ACP 155.0 dB. </p><p>.32 LONG 152.4 dB. </p><p>.32 ACP 153.5 dB. </p><p>.380 157.7 dB. </p><p>9mm 159.8 dB. </p><p>.38 S&W 153.5 dB. </p><p>.38 Spl 156.3 dB. </p><p>.357 Magnum 164.3 dB. </p><p>.41 Magnum 163.2 dB. </p><p>.44 Spl 155.9 dB. </p><p>.45 ACP 157.0 dB. </p><p>.45 <a href="http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=PWOYA60ATVn3EUGAUXy9Fg%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Ffirearms%2Fhandguns%2Fsemi-auto%2Fxse-government-5in-45-acp-black-8-1-sku100401879-89745-187251.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-100-401-879%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D100-401-879%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D9E273911E70E42CA956CFB62D57B24EF&DealName=Colt%20Xse%20Government%205in%2045%20Acp%20Black%208%2B1rd%20-%20Xse%20Government%205in%2045%20Acp%20Black%208%2B1&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1249.99&SKU=100401879-100401879-370017" target="_blank"><u>COLT</u></a> 154.7 dB.</p></blockquote><p></p>
[QUOTE="Pokinfun, post: 2994600, member: 28113"] [B]copied from another forum Facts on noise levels: [/B] 1. Decibels measure sound pressure and are logarithmic. That means that only a 3db increase almost doubles sound pressure, a 6db increase quadruples sound pressure, etc. 2. Gradual hearing loss may occur after prolonged exposure to 90 decibels or above. 3. Exposure to 100 decibels for more than 15 minutes can cause hearing loss. 4. Exposure to 110 decibels for more than a minute can cause permanent hearing loss. 5. At 140 dBA noise causes immediate injury to almost any unprotected ear. 6. There is also the more extreme ‘acoustic trauma’, which is an immediate loss of hearing after a sudden, exceptionally loud noise such as an explosion. [B]Comparative noise levels and length of time for damage to occur[/B] Jet engine taking off 140 dB Instant damage Thunder/Ambulance siren 119 [URL='http://www.amazon.com/dp/B003T6N6HQ'][U]dB 3[/U][/URL] minutes [URL='http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=603&BEFID=96424&acode=600&code=600&aon=&crawler_id=523588&dealId=hpyDqEMY4sj6WGcFtlEPbQ%3D%3D&searchID=&url=https%3A%2F%2Fads.midwayusa.com%2Fproduct%2F931100%2Fwasp-archery-hammer-sst-3-blade-fixed-blade-broadhead-100-grain-stainless-steel-pack-of-3%3Fcm_mmc%3Dpf_ci_ebay-_-Archery%2B-%2BBroadheads%2Band%2BPoints-_-Wasp-_-931100%26sdc_id%3DeBay&DealName=Wasp%20Archery%20Hammer%20SST%203-Blade%20Fixed%20Blade%20Broadhead%20100%20Grain%20Stainless%20Steel%20Pack%20of%203&MerchantID=523588&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=35.49&SKU=931100'][U]Hammer[/U][/URL] drill 113 dB 15 minutes Chain saw/Earphones/Concert 110 dB 30 minutes Bull Dozer 105 dB 1 hour Tractor/Power tools 96 dB 4 hour Hairdryer/lawnmower 90 dB 8 hours [B] Noise levels of firearms: [/B] .22 caliber rifle 130dB .223, [URL='http://www.brownells.com/ammunition/rifle-ammo/223-remington-55gr-fmj-500-ammo-can-surefire-60-sku105000496-82410-168928.aspx?gdffi=06c704a58a054b638babf83ebee5e383&gdfms=0545830550FB4DC5B9F7A4AEC8ABCE0D'][U]55GR[/U][/URL]. Commercial load 18" [URL='http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274'][U]barrel[/U][/URL] 155.5dB .243 in 22" barrel 155.9dB .30-30 in 20" barrel 156.0dB. 7mm Magnum in 20" barrel 157.5dB. .308 in 24" barrel 156.2dB. .30-06 in 24" barrel 158.5dB. In 18" barrel 163.2dB. .375 18" barrel with muzzle brake 170 dB. .410 Bore 28" barrel 150dB. 26" barrel 150.25dB. 18" barrel 156.30dB. 20 Gauge 28" [URL='http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274'][U]barrel[/U][/URL] 152.50dB. 22" barrel 154.75dB. 12 Gauge 28" barrel 151.50dB. 26" barrel 156.10dB. 18" [URL='http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=XAt9VOClVvWmVaeMFYJuXA%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Fshotgun-parts%2Fbarrel-parts%2Fbarrels%2Fbarrel-686-12-26-mc-blue-fld-sku913400916-75804-163741.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-913-400-916%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D913-400-916%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D741008C22B554A77BE0ABEF72FC8A8F7&DealName=Beretta%20Usa%20Barrel%2C%20686%2012%2F26%2FMc%20Blue%20Fld&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1300.0&SKU=913400916-913400916-10274'][U]barrel[/U][/URL] 161.50dB. .25 ACP 155.0 dB. .32 LONG 152.4 dB. .32 ACP 153.5 dB. .380 157.7 dB. 9mm 159.8 dB. .38 S&W 153.5 dB. .38 Spl 156.3 dB. .357 Magnum 164.3 dB. .41 Magnum 163.2 dB. .44 Spl 155.9 dB. .45 ACP 157.0 dB. .45 [URL='http://rover.ebay.com/rover/13/0/19/DealFrame/DealFrame.cmp?bm=1008&BEFID=96424&acode=1017&code=1017&aon=&crawler_id=481999&dealId=PWOYA60ATVn3EUGAUXy9Fg%3D%3D&searchID=&url=http%3A%2F%2Fwww.brownells.com%2Ffirearms%2Fhandguns%2Fsemi-auto%2Fxse-government-5in-45-acp-black-8-1-sku100401879-89745-187251.aspx%3Fcm_mmc%3Dcse-_-Itwine-_-shopping-_-100-401-879%26utm_medium%3Dcse%26utm_source%3Decn%26utm_campaign%3Ditwine%26utm_content%3D100-401-879%26gdffi%3D5e517ec5e60d4cc7bbc235bfc648114c%26gdfms%3D9E273911E70E42CA956CFB62D57B24EF&DealName=Colt%20Xse%20Government%205in%2045%20Acp%20Black%208%2B1rd%20-%20Xse%20Government%205in%2045%20Acp%20Black%208%2B1&MerchantID=481999&HasLink=yes&category=0&AR=-1&NG=1&GR=1&ND=1&PN=1&RR=-1&ST=&MN=msnFeed&FPT=SDCF&NDS=1&NMS=1&NDP=1&MRS=&PD=0&brnId=2455&lnkId=8070676&Issdt=170604050607&IsFtr=0&IsSmart=0&dlprc=1249.99&SKU=100401879-100401879-370017'][U]COLT[/U][/URL] 154.7 dB. [/QUOTE]
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