This is a Marocchi Model 512S with a set of double 9.3X74R barrels. It has ejectors and the barrels are adjustable for regulating them. The 30R Blaser set is a Valmet 412 barrel set in 30/06 rechambered to 30R blaser. These barrels are adjustable but are extractor only. The Marocchi guns were all built on Valmet machinery. There are two fore ends and 40 rounds of brass for each caliber. $3000 delivered. Contact Allan at 423-262-9394. Photos: https://postimg.cc/gallery/n7xptjP