Decapping Expanding Mandrels

From $90.00

EXPANDER MANDRELS ARE ONLY COMPATIBLE WITH SHORT ACTION CUSTOMS MODULAR SIZING DIES.

NOTE: IF YOU ARE NOT CURRENTLY USING A SAC EXPANDER MANDREL IN YOUR MODULAR SIZING DIE, YOU WILL LIKELY NEED TO PURCHASE A COMPATIBLE ER11 COLLET.  PLEASE SEE CHART AT BOTTOM OF PAGE

CAUTION!!!  DO NOT ORDER UNTIL YOU CONFIRM WHICH DECAPPING EXPANDING MANDREL WILL WORK WITH YOUR DIES.  IF WRONG MANDREL IS ORDERED, SAC WILL NOT REFUND SHIPPING AND CHARGE SHIPPING FOR CORRECT MANDREL.  PLEASE READ PRODUCT DESCRIPTION
Decapping Expander Mandrel Size
Collet
NOTE: If you do not currently have a collet for you mandrel you will need one!
Categories: , Product ID: 23613

Description

Decapping Expander Mandrels

Precision Ground from Solid Carbide.

Available in .001″-.0005″ Increments

Our solid carbide expander mandrels are made to be used in any of our Modular sizing dies with the appropriate collet. Note that the appropriate collet generally larger than the mandrel, as the precision grinding process requires we start with a larger piece of material and bring it down to size; therefore, the top part of the mandrel, what the collet interacts with, is larger.

Our Decapping expanding mandrels are unique because it expands the neck of your brass on the “down stroke” instead of the “up stroke” of your press. Furthermore, the precision ground expanding detail is high up in the die, slightly below the cartridge’s neck / shoulder detail. The benefit is that as the cartridge is pulled out of the die, the cartridge neck transitions from the neck bushing to the expander mandrel right away.

  • Ensures a seamless transfer of the cartridge neck from the Neck Sizing Bushing to the Expander Mandrel.
  • Expanding is more consistent because the brass starts off perfectly centered in the die and is immediately expanded as the brass is drawn out of the die body. This is ideal, where expanding on the “up stroke” puts all the stress and pressure on an unsupported case/neck.

All of our Expander Mandrels are rough turned, next they are precision OD Ground for the full length ensuring that all of the outside detail is concentric and ground in the same operation.

 

PLEASE READ

Our decapping expanding mandrels will have 5 different lengths.  Short, Short Medium, Medium, Medium Long, and Long.  The length mandrel depend on the Modular Sizing die you own.  The follow list provides you with the correct mandrel length for the Cartridge you are reloading for.  Additional cartridges will be added as the dies are made.

 

Short
  • Dasher
  • BRA
  • BR
  • ARC
Short Medium
  • GT
Medium
  • 223 Remington
  • Creedmoor
  • X 47 Lapua
  • PRC
  • PRC Type 2
  • SAUM
  • Winchester
Medium Long
  • 7 PRC
Long
  • 300 PRC

 

IF YOU ORDER THE WRONG MANDREL YOU WILL BE RESPONSIBLE OF ANY FEES ASSOCIATED WITH THE EXCHANGE FOR THE CORRECT SIZE. REMEMBER TO ACCOUNT FOR .0005-.002 OF SPRINGBACK, DEPENDING ON BRAND OF BRASS AND WHETHER IT IS ANNEALED

 

ER11 Collet Compatibility

    • 22 CAL, 6MM, 25 CAL AND 6.5MM MANDRELS:  REQUIRE 7MM COLLETS
      • 7MM AND 30 CAL MANDRELS:  REQUIRE 5/16″ COLLETS

Additional information

Weight 2 oz
Dimensions 4 × 3 × 1 in

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