What is Open Bolt?

This guide, drawing on expert instruction from Brandon Herrera, clarifies the operational mechanics of the AR-15, specifically addressing claims of accidental firing. It details the bolt hold open feature and explains why a trigger pull is necessary for a closed-bolt system to discharge, contrasting it with open-bolt designs. The content stresses responsible firearm handling and debunks misconceptions about accidental discharges, reinforcing fundamental safety principles.

This guide details the unique operation of the M3 Grease Gun, emphasizing its internal crank-style charging mechanism and blowback, open-bolt action. The video, featuring Hank Strange, demonstrates the loading procedure and live-fire characteristics, highlighting its historical context as a World War II era submachine gun. The demonstration provides insights into its cyclic rate and intended use for suppressive fire.

This guide details the operation of a full-auto MAC-11, specifically with a Lage MAX-11k upper receiver, as demonstrated by an expert from Pew Pew Tactical. It covers the loading procedure, fire selection, and safe operation during full-auto firing sequences, emphasizing recoil management. The instruction highlights the specific setup including a suppressor, red dot optic, and vertical foregrip for enhanced control.

This guide details the operation and manual of arms for the CZ Skorpion Evo 3A1, drawing from expert instruction by Ian McCollum. It covers familiarization with ambidextrous controls, proper bolt manipulation, and safe engagement of semi-automatic and full-automatic fire modes. The guide also touches upon the use of extended magazines like the Magpul PMAG D50 EV9.

This guide details a Pistol Caliber Carbine (PCC) course of fire using the Lage Max31A Mk2 submachine gun conversion for the MAC-11 A1. Expert instructor Ian McCollum demonstrates the challenges of using full-auto fire for precision shooting, highlighting how the open-bolt action and burst firing can significantly increase ammunition consumption and decrease efficiency compared to semi-automatic. The analysis emphasizes that while controllable, full-auto is not optimal for this specific precision course.

This guide details the technique for firing the Micro Uzi in full-auto, as demonstrated by Dave Merrill and Dave Rhoden on RECOILtv. It emphasizes proper grip, stock usage, and recoil management due to the firearm's high cyclic rate (1250 RPM). The instruction highlights the effectiveness of the compensator ports in controlling muzzle rise during intense firing sequences.

This guide details the process of firing a Civil War-era 1855 Springfield Musket using a Minie ball, as demonstrated by expert firearms instructor Hickok45. It covers preparation, loading with a ramrod, priming with a percussion cap, and firing. The demonstration highlights safe and correct muzzle-loading techniques for historical firearms.

This guide details the unique loading process for the 1860 Henry Rifle, as demonstrated by hickok45. It covers the steps for safely inserting cartridges into the tubular magazine and highlights important considerations to prevent damage to the firearm or injury. hickok45, an expert with extensive historical knowledge, provides clear instructions for this classic firearm.

This comprehensive review of the Smith & Wesson 500 Magnum, presented by firearms expert hickok45, details the immense power and unique characteristics of this large-caliber revolver. hickok45 provides expert insights into managing its significant recoil, demonstrates its destructive capability on various targets, and compares it to other iconic handguns. The review highlights the 500 S&W Magnum's role as a potent hunting tool and a fascinating firearm for enthusiasts of extreme power.

This comprehensive review of the Mauser Kar 98K BYF 43, presented by firearms authority Hickok45, details its historical significance, operational techniques, and identification markers. The video covers loading with stripper clips, understanding German manufacturing codes like 'BYF 43', and the rifle's place in firearms history, emphasizing its robust bolt-action design.