SSK Brass 510 Whisper Unprimed 10/Bag (Special Order) Cleaning Rod Length_45 Inches The K+M Expand Mandrel Holder

The K+M Expand Mandrel Holder (EXMH) allows the installation of PowerStroke Expand Mandrels in tight working areas (co-ax and progressive presses)

Check uniformity of shoulder bump

The three die sets work fine when using a quality controlled source of brass

Any of the mandrels can be used to expand cases up to the next calibre when used with the Sinclair NT-EXP (Expander Body)

Blade: 2-1/2" (6

SSK Brass 510 Whisper Unprimed 10/Bag (Special Order) Cleaning Rod Length_45 Inches The K+M Expand Mandrel HolderThe . 510 Whisper cartridge is a subsonic rifle cartridge developed by J D Jones of SSK Industries with a specific focus on subsonic use. Despite the large bullet, this round is extremely quiet when used with a suppressor due to the subsonic nature of the cartridge. When used with a very high ballistic coefficient bullet, the round only loses about 100 ft s (30 m s) out to over 500 yd (460 m). This gives the bullet more downrange energy at that