This kit, available in a convenient 3-pack, enables the pre-loading of 300 additional primers prior to a reloading session, thereby enhancing overall round production. The X-10 primer tube kits are compatible with any progressive press available on the market. Each tube has a capacity of 100 primers, enabling users to pre-load an additional 300 primers in preparation for a loading session Primer tube kits are offered in configurations compatible with both small and large primer sizes, ensuring versatile application across various reloading setups