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In Stock (4) 21st Century Innovation – Case Holder and Driver # 7 $ 53.00 Add to cart In Stock (1) 21st Century Innovation – Expander Die Body for 375 and 408 WITHOUT Ring $ 59.70 Add to cart Out of …

Nov 30, 2025 · Black Nitride coating adds a degree of hardness and lubricity to the surface of the stainless material which reduces galling and improves overall performance.

$59.99 View Product Wishlist Compare 21st Century - Expander Mandrel - Black Nitride - 7mm - 0.283 XXI-NBE283 $59.99 Out of stock Notify Me

21st Century Caliber Specific Expander Mandrel are available in .0005” increments in calibers 22 to 338 and range from .001” above bullet diameter to at least .003” below bullet diameter depending on …

Mar 24, 2020 · I use Sinclair carbide turning mandrels, but also have 21st Century TiN mandrels. The new black nitride mandrel from 21st Century looks very promising, they claim "Hard as carbide, slick …

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 …

21st Century Gen III Super Precision Click Head Bench Rest Priming Tool €204.90 Quick View

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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. …