21st Century Shooting is excited to unveil a brand new product! Introducing the Slippery black Expanders, this new products will revolutionize the way you reload. Based on our proven technology these products will reduce friction and galling, they are as hard as carbide and as slick as graphite. We recommend our Moly Dry Neck Lube for use with our expander mandrels  Moly Dry...

21st Century Caliber Specific Expander Mandrels are now available in Black Nitride!  Black Nitride adds a degree of hardness and friction reduction to the surface of the mandrel.  This helps minimize galling that can occur.   Our Black Nitride Caliber Specific Expander Mandrels are available in .0005” increments in calibers 22 to 338.  Incremental mandrels will allow the...

21st Century Caliber Specific Expander Mandrel - .221". Sold individually Our caliber specific expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find proper neck tension to fine-tune their loads.  The...

21st Century Caliber Specific Expander Mandrel - .221". Sold individually Our caliber specific expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find proper neck tension to fine-tune their loads.  The...

21st Century Caliber Specific Expander Mandrel - .221". Sold individually Our caliber specific expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find proper neck tension to fine-tune their loads.  The...

21st Century Caliber Specific Expander Mandrel - .221". Sold individually Our caliber specific expander mandrels are available in .0005” increments in calibers 22 to 338 and will range from .001” above bullet diameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find proper neck tension to fine-tune their loads.  The...

21st Century - Caliber Specific Expander Mandrel - .2415", sold individually. Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The...

21st Century - Caliber Specific Expander Mandrel - .2425" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .254" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .256" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .262" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .263" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .264" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...

21st Century - Caliber Specific Expander Mandrel - .2745", sold individually Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The...

21st Century - Caliber Specific Expander Mandrel - .276" Our caliber specific expander mandrels are available in.0005” increments in calibers 22 to 338 and will range from .001” above bulletdiameter to at least .003” below bullet diameter depending on caliber.  This will allow the reloader to find properneck tension to fine-tune their loads.  The oversized expanders...