minnesota1 Posted February 11, 2020 Share Posted February 11, 2020 (edited) I've heard there's a 3" limit, but just want to make sure what the rules are. I am not in open. I shoot tac ops or open sights. I'm not sure if rules overlap for certain organizations so any of your knowledge would be appreciated. Thanks! Edited February 11, 2020 by minnesota1 Link to comment Share on other sites More sharing options...
Don_B Posted February 11, 2020 Share Posted February 11, 2020 Not sure if this applies to all 3 gun matches but the most common max comp size is 1" diameter and 3" long. Link to comment Share on other sites More sharing options...
021411 Posted February 11, 2020 Share Posted February 11, 2020 Yup generally 1x3 measured from the muzzle to the end of the comp or brake. Link to comment Share on other sites More sharing options...
PatriotMRD Posted February 11, 2020 Share Posted February 11, 2020 3" length x 1" diameter for every division with the exception of open division. I haven't run into a 3-gun ruleset yet that is different. Link to comment Share on other sites More sharing options...
minnesota1 Posted February 11, 2020 Author Share Posted February 11, 2020 Thanks! Link to comment Share on other sites More sharing options...
TonytheTiger Posted February 12, 2020 Share Posted February 12, 2020 Yup, but like 021411 said, the measurement is from muzzle to end of brake. So it can be closer to 3.5" total and still be within the rules. Link to comment Share on other sites More sharing options...
kellyn Posted February 13, 2020 Share Posted February 13, 2020 This is a dumb rule (harkening back to SOF) and should be done away with. Who cares? Link to comment Share on other sites More sharing options...
TonytheTiger Posted February 13, 2020 Share Posted February 13, 2020 6 minutes ago, kellyn said: This is a dumb rule (harkening back to SOF) and should be done away with. Who cares? I've never considered the reasoning or origin of the rule. I'm not sure if 223 has enough gas to utilize a gigantic brake, and if you want to thread a soup can sized weight on your muzzle maybe you should be allowed to. I would assume no one cares, not even enough to try to change the rule. Link to comment Share on other sites More sharing options...
Don_B Posted February 13, 2020 Share Posted February 13, 2020 Rumor has it that SOF made that rule to eliminate the JP recoil eliminator comp from their competition. Link to comment Share on other sites More sharing options...
donno Posted February 13, 2020 Share Posted February 13, 2020 I use the JP recoil eliminator in open 3 gun. I works very good. Link to comment Share on other sites More sharing options...
kurtm Posted February 13, 2020 Share Posted February 13, 2020 The guys that ran S.O.F. hated comps of all kinds, but after the 1994 ban a lot of rifles were made with comps to get around the evil "flash hider" Claus in the law. I was at the shooters meeting where "S.O.F." polled the shooters about should they allow them. Bennie Cooley petitioned for comps on behalf of Armalite, and it was decided to allow them about the size of the Armalite pinned and welded comp,1"x3". Latter when S.O.F. shut down folks started getting comps which were longer than 3". It was me who made the new ruling for Rocky Mountain 3-Gun that it was 3" from the muzzle, not the threaded portion, which allowed many more rifles into the tactical division. This rule caught on and is still here today. Link to comment Share on other sites More sharing options...
kellyn Posted February 15, 2020 Share Posted February 15, 2020 On 2/13/2020 at 2:32 PM, kurtm said: The guys that ran S.O.F. hated comps of all kinds, but after the 1994 ban a lot of rifles were made with comps to get around the evil "flash hider" Claus in the law. I was at the shooters meeting where "S.O.F." polled the shooters about should they allow them. Bennie Cooley petitioned for comps on behalf of Armalite, and it was decided to allow them about the size of the Armalite pinned and welded comp,1"x3". Latter when S.O.F. shut down folks started getting comps which were longer than 3". It was me who made the new ruling for Rocky Mountain 3-Gun that it was 3" from the muzzle, not the threaded portion, which allowed many more rifles into the tactical division. This rule caught on and is still here today. Then I blame you Kurt Miller. I blame you. I wanted JP tank brakes on all my guns.... Link to comment Share on other sites More sharing options...
StealthyBlagga Posted February 15, 2020 Share Posted February 15, 2020 I don't want to derail Kelly and Kurt's trip down memory lane, buuuut... be advised that the 3" long x 1" diameter rule assumes a simple cylindrical muzzle device. If you have a funky asymmetric muzzle device that you think meets the criteria, you might want to check with the RM first to avoid disappointment. When we were faced with an unusual brake design at SMM3G, we clarified that the device must fit inside a right cylinder of 3" length and 1" internal diameter. The RM found a convenient gage (probably a choke tube package or something) to quickly make the assessment. Link to comment Share on other sites More sharing options...
adamge Posted February 15, 2020 Share Posted February 15, 2020 Is a cardboard roll from center of toilet paper about right size gauge? Link to comment Share on other sites More sharing options...
kurtm Posted February 16, 2020 Share Posted February 16, 2020 (edited) I want....no, DEMAND to see the pistol KN3 has that has a "Tank Brake" and further more I want to see proof that J.P. makes a 12 gage version of said "Tank Brake"! All your guns??? Mighty sloppy councilor! But blame away!!! Edited February 16, 2020 by kurtm Link to comment Share on other sites More sharing options...
TonytheTiger Posted February 16, 2020 Share Posted February 16, 2020 3 hours ago, adamge said: Is a cardboard roll from center of toilet paper about right size gauge? Happened to be on the throne when I read this. TP cardboard looks about 1.75-2" in diameter from here. Link to comment Share on other sites More sharing options...
AverageJoeShooting Posted February 16, 2020 Share Posted February 16, 2020 Anyone know how this compares to the sjc titan? Link to comment Share on other sites More sharing options...
adamge Posted February 16, 2020 Share Posted February 16, 2020 2 hours ago, AverageJoeShooting said: Anyone know how this compares to the sjc titan? How the JP tank brake compares to Titan? Tank brake figures to be more effective, given that the IPSC Rifle guys often pick the JP. But Titan fits in the 3x1 tube. Link to comment Share on other sites More sharing options...
AverageJoeShooting Posted February 16, 2020 Share Posted February 16, 2020 1 hour ago, adamge said: How the JP tank brake compares to Titan? Tank brake figures to be more effective, given that the IPSC Rifle guys often pick the JP. But Titan fits in the 3x1 tube. do they have the same threads? i think its 1/2x28 Im just asking cuz i have an sjc titan but if the JP tank break is more effective i could just switch them out of course effectiveness i guess is in the eye of the shooter since its going on a 223 competition rifle.....not really a whole lot of recoil to break in the first place Link to comment Share on other sites More sharing options...
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