MAN Magnum 1982 – BMG

Rifle Recoil Table: Updated for 2024 with all popular cartridges – Backfire

Had there ever been existence of .50 BMG rifle before Ronnie Barrett made it a debut to the military? - Quora

AMOSKEAG AMOSKEAG - Amoskeag Auction Company

Hunting, Shooting and Fishing – BMG

Browning M2 - Internet Movie Firearms Database - Guns in Movies, TV and Video Games

Bob Catley – Progradar

Reloaders Catalogue 2012 by Hurst Design Co. - Issuu

What handgun caliber can shoot through an engine block? - Quora

Fall 2023 Premier Firearms & Militaria Auction - Day 1 by PoulinAuctions - Issuu

Main Weaponry of the series, The Chronicles of Equestira and the Isle of Berk Wikia