338 Lapau Dies RCBS or lee ???

[motrapper]

Can I use these in a Dillion 550 or any standard press or are the 338 Lapua dies bigger????

 

[jimbires]

I have a set of RCBS and redding dies , they are the standard 7/8-14 thread . the LEE collet neck die is the bigger 1 1/4-12 thread

 

[motrapper]

Thank You thats what threw me the Lee neck die