M Type Expander Plug

For use in expanding and/or belling the case mouth in preparation for bullet seating. Will fit any of our appropriately top threaded generic expander dies.

Available in any diameter, but the top thread size is dependant upon the diameter of the plug.
Available in two lengths, short for rifle and long for pistol.
Optimum size for jacketed bullets is .002" under bullet diameter.
Optimum size for lead bullets is .001" under bullet diameter.

M Plug Part Numbers
Code	First Digit	Size Digits	Length Code
Inv. Code	Thread Size	Diameter	Rifle / Pistol

MP	2 = 9/16-18	Max .480" diameter	R = Rifle
	3 = 5/8-18	Max .540" diameter	P = Pistol
	4 = 3/4-16	Max .640" diameter
	5 = 7/8-14	Max .740" diameter
Example: MP2306R = MP 2 306 R = 9/16 x .306" x Rifle

M Plug Part Numbers

Code

First Digit

Size Digits

Length Code

Inv. Code

Thread Size

Diameter

Rifle / Pistol

2 = 9/16-18

Max .480" diameter

R = Rifle

3 = 5/8-18

Max .540" diameter

P = Pistol

4 = 3/4-16

Max .640" diameter

5 = 7/8-14

Max .740" diameter

Example: MP2306R = MP 2 306 R = 9/16 x .306" x Rifle

Expander Plugs

Item #	Title	Price
MP2	9/16-18 (.480" max diameter)	$21^.63
MP3	5/8-18 (.540" max diameter)	$32^.29
MP4	3/4-16 (.640" max diameter)	$42^.93
MP5	7/8-14 (.740" max diameter)	$58^.04

Item #

Title

Price

MP2

9/16-18 (.480" max diameter)

$21^.63

MP3

5/8-18 (.540" max diameter)

$32^.29

MP4

3/4-16 (.640" max diameter)

$42^.93

MP5

7/8-14 (.740" max diameter)

$58^.04