ARIES Powder Ram™
ARIES Powder Ram™
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ARIES LogoThe ARIES Powder Ram™
Powder Compression Die

The ARIES Powder Ram™ Powder Compression Die separates powder compression from bullet seating. This eliminates the problems associated with using the bullet and bullet seating die to compress the powder.

If you load rifle cartridges with a compressed powder charge, the bullet and bullet seating die are used as a ram to compress the powder. This can deform the bullet, resulting in significant loss of accuracy. This deformation can appear as a ring or scuff mark around the bullet ogive, or can be so slight as to be unseen by your eyes. If you use separate seat and crimp dies, there is also a chance that the compressed powder will push the bullet back out before being crimped, resulting in longer cartridge OAL. Ideally the powder should be compressed before bullet seating.

Floating Powder Compression Plug
ARIES Compression PlugThe ARIES Powder Ram™ die body houses a precision machined Powder Compression Plug (shown at left), that is designed to "float" inside the die body. This "float" allows the powder compression plug to self align in the center of the case mouth. The Powder Compression Plug is caliber specific and precision sized so as to not alter case neck sizing. An Adjustment Screw on top of the die body allows you to easily set the amount of powder compression to suit your needs.

The ARIES Powder Ram™ can be used for use with either smokeless or black powder cartridges.

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Single Stage Reloading Presses
Just set up the ARIES Powder Ram™ and compress all the cartridges in your loading block, then install your bullet seating die and continue as usual.

Progressive Reloading Presses
Works Great in progressive presses too! In progressive presses that use separate seat and crimp dies, the ARIES Powder Ram™ typically installs in the bullet seating die station and a combined seat/crimp die is used. Below are examples for several popular progressive presses:
Dillon RL 550B: The ARIES Powder Ram™ installs in Station 3, instead of the bullet seat die, and a combined seat/crimp die is installed in Station 4.
Dillon XL 650: The ARIES Powder Ram™ installs in Station 3, instead of the powder check, and the standard bullet seat (Station 4) and crimp (Station 5) dies are used.
Dillon Super 1050: The ARIES Powder Ram™ installs in Station 6, and the standard bullet seat (Station 7) and crimp (Station 8) dies are used.
RCBS® Pro 2000®: The ARIES Powder Ram™ installs in Station 4, and a combined seat/crimp die is installed in Station 5.

For Rifle Cartridges
* The Size indicates the bullet diameter not the actual diameter of the powder compression plug. The powder compression plug is sized so as not to change any neck sizing you have already done to the cartridge case.
Size* Description
.224 For .223 Rem. and similar cartridges using a .224" diameter bullet.
.243 For .243 Win. and similar cartridges using a .243" diameter bullet.
.264 For 6.5mm Rem. Mag. and similar cartridges using a .264" diameter bullet.
.284 For .284 Win. and similar cartridges using a .284" diameter bullet.
.308 For .308 Win. and similar cartridges using a .308" diameter bullet.
.38 For .35 Whelen and similar cartridges using a .356"-.358" diameter bullet.
.45 For .45-70 Govt. and similar cartridges using a .450"-.458" diameter bullet.


For Pistol Cartridges
* As with the bottleneck rifle cartridges, the powder compression plug for pistol cartridges is slightly undersized relative to the bullet diameter. So it will not affect the size of the cartridge case mouth.
Size* Description
9mm/.38 cal.
For 9mm, .38 Special and similar cartridges using a .356"-.357" diameter bullet.  DISCONTINUED
.45 cal.
For .45 Colt, .45 ACP and similar cartridges using a .450"-.458" diameter bullet.

Need an ARIES Powder Ram™ Powder Compression Die for a caliber not listed, just give us a call!


ARIES Powder Ram and the Aries logo are trademarks of UniqueTek, Inc.
RCBS and Pro 2000 are registered trademarks of RCBS.
Made in USA Logo

Specifications
Die Body 7/8"-14 Threads
Adjustment Screw 5/8"-18 Threads
(0.055″/turn)
Compression Plug Material 12L14 Steel
Features Benefits
Compresses Powder Before Seating Bullet
Eliminates Bullet Deformation
Adjustable Powder Compression Depth
Can be used with Smokeless or Black Powder
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