RSA - Remington Short Action Standard - Internal Dimension 2.8”. This box will work with most factory length short action cartridges. Works best with .308 based cartridges. WSM, RSAUM AND PRC not recommended.
MBE-5 - Remington Short Action Extended Standard - Internal Dimension 3.0”. This box works well will all your standard short action cartridges and specifically works well with the 6.5 Creedmoor. Again, not recommended for WSM or RSAUM cartridges.
MBE-4 - Remington Short Action Extended Magnum - Internal Dimension 3.0”. This is designed to feed the WSM and RSAUM Style cartridges. Not recommended for the 6.5 PRC. For the 6.8 Western pair the MBE–4 with our 6.5 PRC follower.
6.5 PRC - Remington Short Action Extended PRC - Internal Dimension 3.0”. As the name suggests this box, paired with the follower of the same name, is a great set up for feeding the 6.5 PRC Introduced by Hornady.
RLA - Remington Long Action Standard - Internal Dimension 3.7”. This box is ideal for all your standard cartridges. Anything based off the 30-06 to the .280 Ackley Improved will work. 7 Rem Mag, and 300 Winchester Mag will feed in these provided seating depths do not exceed the factory length box
MBE-2 - Remington Long Action Extended - Internal Dimension 3.8”. This box will work with all standard 30–06 based cartridges, as well as the 280 Rem and 280 Ackley Improved. The 7 Rem Mag and 300 Win Mag all the way up to 7STW.For the 7 PRC in an Extended Length Action – We recommend using the MBE-2 box with the Factory Length Follower.
MBE-3 - Remington Long Action Extended RUM - Internal Dimension 3.8”. Designed to feed the RUM type cartridges when seating out past factory lengths. It will also accommodate the Nosler style cartridges.
7 PRC - Remington Long Action Extended 7 PRC - MBE-2 with Factory Length Follower which has proven to be the best combination for the 7PRC
300 PRC - Remington Long Action Extended 300 PRC - Internal Dimension 3.8”. As the name implies this box is set up to work predominantly with the 300 PRC cartridge introduced by Hornady. It is capable of feeding the Nosler cartridges, but we do not recommend this for the RUM’s.