How a Winchester Model 12 Works - Cycle of Operation | MidwayUSA Gunsmithing

This video provides an in-depth look at the Winchester Model 12 pump-action shotgun through a factory cutaway. Larry Potterfield of MidwayUSA explains and demonstrates the internal mechanics and cycle of operation, from loading to firing and ejection, highlighting how the gun's components interact. Over two million Model 12s were produced before production ceased in 1980, making it a historically significant firearm.

This video provides an expert-level guide to creating a cut-away Winchester Model 12 shotgun, demonstrating its internal mechanics and cycle of operation. Master Gunsmith Larry Potterfield details the disassembly, precise machining process using a JET milling machine, and color-coding of internal parts. The demonstration concludes with a functional explanation of the shotgun's operation using dummy rounds, highlighting its historical significance as Winchester's first hammerless pump-action.

This video showcases Larry Potterfield, Founder and CEO of MidwayUSA, demonstrating how to create a cutaway version of the iconic Winchester Model 12 pump-action shotgun. The demonstration focuses on gunsmithing techniques required to modify the firearm for educational or display purposes, highlighting the internal mechanisms of one of the most popular shotguns ever produced.

This video provides an overview of the Southgate ejector system, a desirable feature on British side-by-side shotguns. Jack Rowe and Larry Potterfield, Founder and CEO of MidwayUSA, discuss the importance of proper timing and synchronized ejection for this mechanism. The video highlights the technical aspects and benefits of automatic ejectors in shotgun design, encouraging viewers to visit the MidwayUSA Video Library for more content.

This guide provides expert instruction from Larry Potterfield on how to address a common issue with the Winchester Model 12: a loose barrel assembly. It details the process of tightening the barrel using the integrated adjusting sleeve and how to fabricate and install a magazine plug to comply with hunting regulations. The instructions are clear and demonstrate proficient use of gunsmithing tools.

This guide details the process of filling wood pores on a gun stock for a superior finish, as demonstrated by Larry Potterfield from MidwayUSA. It emphasizes thorough preparation and the application of a specialized filler, requiring multiple applications and drying periods to achieve a smooth, enhanced wood grain ready for final finishing.

This guide details a high-speed Cowboy Action Shooting stage, demonstrating expert transitions between a lever-action rifle, dual single-action revolvers, and a side-by-side shotgun. It highlights efficient manual shotgun reloading techniques from a belt carrier, showcasing advanced proficiency in competitive shooting disciplines. The video emphasizes speed and accuracy across multiple firearm types.

This video provides an expert-level demonstration of the Mosin-Nagant M91/30 PU Sniper rifle. It covers visual inspection, the proper loading procedure for 7.62x54R ammunition, and live fire at an outdoor range, showcasing bolt manipulation and recoil control. The demonstration is presented in a silent, ASMR-style format by an authoritative demonstrator.

This guide details the complex process of reboring a Winchester 1885 Low Wall rifle from .32 Rimfire to .357 Magnum, addressing a pitted bore. Expert gunsmith Larry Potterfield demonstrates disassembly, barrel removal, specialized reboring at Delta Gun Shop, chambering, crowning, action conversion, and final marking/finishing. The process highlights advanced machining techniques and specialized tools required for such a conversion.

This guide details a competitive Cowboy Action Shooting (CAS) stage, showcasing advanced techniques for engaging targets with a shotgun, lever-action rifle, and dual single-action revolvers. Instruction comes from an expert competitor demonstrating fluid weapon transitions and mastery of rapid cycling and firing. The focus is on speed, accuracy, and efficient stage completion.