https://bulletin.accurateshooter.com/2021/11/a-worthwhile-wildcat-the-6mm-223-for-xtc-competition/ from AccurateShooter.com Wed, 15 Apr 2026 14:06:46 +0000 hourly 1 https://wordpress.org/?v=4.1.26 https://bulletin.accurateshooter.com/2021/11/a-worthwhile-wildcat-the-6mm-223-for-xtc-competition/comment-page-1/#comment-61267 Fri, 19 Jan 2024 01:16:02 +0000 http://bulletin.accurateshooter.com/?p=65358#comment-61267 My question is if any one has modified/shortened the 6mm-.223 down to a length that would allow longer 6mm bullets while at the same time keeping the length so that the finished cartrige would fit and feed in an ar-15 magazine. I know that the 6mm arc is hot right now but with modern powders how much slower would a 6mmx38mm cartridge be going? Thanks for any help on this pet load I just started today so its only 8 hrs old.
Matt.

]]> https://bulletin.accurateshooter.com/2021/11/a-worthwhile-wildcat-the-6mm-223-for-xtc-competition/comment-page-1/#comment-59876 Thu, 22 Jul 2021 18:16:15 +0000 http://bulletin.accurateshooter.com/?p=65358#comment-59876 The MDWS 6mm Mongoose gets better velocities as the shoulder is sharper more like an AI and therefore more powder.

]]> https://bulletin.accurateshooter.com/2021/11/a-worthwhile-wildcat-the-6mm-223-for-xtc-competition/comment-page-1/#comment-59873 Wed, 21 Jul 2021 19:09:46 +0000 http://bulletin.accurateshooter.com/?p=65358#comment-59873 No need to buy custom dies if they user has a 223 with custom FS die with Bushing. Also, the user can expand the neck size to 0.241″

]]> https://bulletin.accurateshooter.com/2021/11/a-worthwhile-wildcat-the-6mm-223-for-xtc-competition/comment-page-1/#comment-59302 Fri, 22 Jan 2021 22:35:45 +0000 http://bulletin.accurateshooter.com/?p=65358#comment-59302 Ahh, the good old 6x45mm. Used it in IHMSA in the 80s.

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