CRBN PWR Insert - .681 Empire Pack The more coverage you have

The more coverage you have over that gaping hole in the top of your loader the better

CRBN Zero SLD

Its heavily chamfered breech-end opening and stabilizing collars help eliminate ball fractures in the barrel

+ Injected carbon back

CRBN PWR Insert - .681 Empire Pack The more coverage you haveCRBN PWR Insert The CRBN Inserts build on the proven PWR System. Available in 7 optimized bore sizes and finished in an ultra gloss black anodized with lasered labeling. Each 8. 5" insert is precision broached and microhoned to deliver the utmost accuracy. PWR Inserts chamfered breech opening and stabilized collar all but eliminates untimely ball breaks in the barrel. Simply the best barrel system available. PWR trademark is owned by Planet Eclipse