ESB 244 Posted November 21, 2022 Looking to build a 9mm PCC rifle for competition. The 2 barrels I'm considering are Odin Works Super Lite and the Taccom ULW barrels. These are 5" 9mm barrels with long aluminum barrel shrouds to make them rifle legal 16". The opening of the barrel shroud is the OD of the barrel, meaning you can stick your finger in it. Would NJ consider these flash hiders since the opening is bigger than the bullet? Does having ports vs not having ports (like the middle pic) make a difference? 1 Quote Share this post Link to post Share on other sites
njJoniGuy 2,131 Posted November 21, 2022 They are both good questions for the jury at your felony trial here in the PRNJ. 2 1 Quote Share this post Link to post Share on other sites
Mr.Stu 1,916 Posted November 21, 2022 Regardless of the legality, what's the point? 2 Quote Share this post Link to post Share on other sites
Displaced Texan 11,731 Posted November 21, 2022 While I think the NJ gun laws are absolutely ridiculous…I probably wouldn’t use one of the ported barrels like those pictured, in NJ. IMHO, it just invites scrutiny that no one wants or needs. Quote Share this post Link to post Share on other sites
Krdshrk 3,877 Posted November 21, 2022 Odin Works describes theirs as having a muzzle brake pinned on top. Taccom looks to be straight shroud so nothing on it... Technically it would be legal but why would you want these? If it's weight, you're saving 7oz vs a 16" barrel.. And if you're going with a full rifle you'd still have to do the fixed or pinned stock. Why not just go for a 16" barrel? Or alternately go and build a non-NFA other? Quote Share this post Link to post Share on other sites
ESB 244 Posted November 22, 2022 Its for competition. PCC class requires that it is fitted with a stock, and pistol braces are not allowed in the series so can't do an Other and need a 16" barrel. 9mm velocities out of barrels longer than 10" usually require different buffer systems. Lighter weight out front helps with transitions. Quote Share this post Link to post Share on other sites
High Exposure 5,662 Posted November 22, 2022 8 hours ago, Krdshrk said: Odin Works describes theirs as having a muzzle brake pinned on top. Taccom looks to be straight shroud so nothing on it... Technically it would be legal but why would you want these? If it's weight, you're saving 7oz vs a 16" barrel.. And if you're going with a full rifle you'd still have to do the fixed or pinned stock. Why not just go for a 16" barrel? Or alternately go and build a non-NFA other? Short barrel lets the bullet get out of the barrel sooner which significantly reduces dwell time. This unlocks everything before the BCG slams into the back of the receiver extension which causes the first of two “bounces”’ in a traditional straight blowback AR pistol caliber carbine. The usual fix for that is a heavier spring and buffer - but that creates its own problems on the front end where the BCG then slams back into battery harder than it needs too creating a noticeable second “bounce”. With the short barrel, the corresponding shorter dwell time will feel like it is shooting softer and smoother with no “bounce” affecting control or sight picture. If tuned correctly, the BCG and buffer will now float in the receiver extension and then slide smoothly back into battery with minimal energy. 2 1 Quote Share this post Link to post Share on other sites
RUTGERS95 890 Posted November 26, 2022 as long as the shroud is perm attached, should be legal 1 Quote Share this post Link to post Share on other sites