I'd vote for the BO if I knew what it takes to adapt a rolling block to rimless.
I'd vote for the BO if I knew what it takes to adapt a rolling block to rimless.
Buy two bags of Dan Wesson brass or 357 max and cut a recess for the rim in the barrel.
Use your 300 blk dies .
Put some 0-rings or split washers on some 223 cases if the need arises.
Easy way.
Pamper your brass and they will last.
BP | Bronze Point | IMR | Improved Military Rifle | PTD | Pointed |
BR | Bench Rest | M | Magnum | RN | Round Nose |
BT | Boat Tail | PL | Power-Lokt | SP | Soft Point |
C | Compressed Charge | PR | Primer | SPCL | Soft Point "Core-Lokt" |
HP | Hollow Point | PSPCL | Pointed Soft Point "Core Lokt" | C.O.L. | Cartridge Overall Length |
PSP | Pointed Soft Point | Spz | Spitzer Point | SBT | Spitzer Boat Tail |
LRN | Lead Round Nose | LWC | Lead Wad Cutter | LSWC | Lead Semi Wad Cutter |
GC | Gas Check |