21st Century - Black Nitride Expander Mandrels Powder System an ideal choice when portability

an ideal choice when portability is matters to you

Mounts quickly and easily to the riflescope tube

280 Rem (7mm Exp)

These riflescopes are totally waterproof and shockproof for even the strongest calibers

·  8x57mm Mauser (8mm Mauser)

21st Century - Black Nitride Expander Mandrels Powder System an ideal choice when portability21st Century Shooting is excited to unveil a brand new product! Introducing the Slippery black Expanders, this new product will revolutionize the way you reload. Based on our proven technology, these mandrels will reduce friction and galling they are as hard as carbide and as slick as graphite. 21st Century Expander Mandrels and Arbors are designed for proper fit in 21st Century die bodies. While these may work in most Sinclair and PMA die bodies we