The KelTec PCSC: Jeff Cooper's Origami Fever Dream

This video from AT3 Tactical demonstrates how quickly one can build an AT3 9mm PCC (Pistol Caliber Carbine). The description highlights available AT3 Tactical products on Amazon and encourages viewers to subscribe for giveaways and videos. It also links to comprehensive beginner's guides for AR-15 and AR-10 builds. The channel focuses on providing factual information to the AR-15 shooting community to promote safe firearm handling and knowledge. The content is presented as general information and complies with all relevant firearm laws.

This guide details the assembly and component review of a custom 9mm PCC, featuring insights from an experienced speaker. It covers the installation of various aftermarket parts, including sights, optics, a muzzle device, and a custom grip, while also highlighting a component failure and custom finishing techniques. The speaker's expertise is evident in their detailed discussion of parts compatibility and custom work.

This guide details the process of upgrading a Kel-Tec Sub-2000, focusing on replacing factory components with aftermarket parts from M-Carbo. The speaker, a self-proclaimed 'glutton for punishment,' aims to improve the ergonomics and functionality of the firearm, particularly addressing issues like cheekbone bruising from the buffer tube and the perceived 'cheesy' nature of some original parts. Key upgrades include a metal takedown lever, improved trigger assembly, buffer tube pad, stainless steel feed ramp, enhanced charging handle, and the addition of a red dot optic on a quick-release rail.

This guide details the installation of an adjustable buffer weight for 9mm PCCs, a crucial modification for managing reciprocating mass. The video highlights ODIN WORKS' new buffer, which allows for tuning up to 10.6 oz with tungsten weights. Proper installation ensures smoother operation and reliability in pistol-caliber carbines.

This video discusses a trigger spring kit for the Mossberg 500 shotgun from M-Carbo. The kit includes a hammer spring and trigger return spring designed to reduce trigger pull weight from approximately 8 pounds to around 4.5 pounds. While not a full trigger replacement, it offers a significant improvement for a relatively low cost. The video suggests an optional trigger assembly tool for installation and notes that M-Carbo may provide installation videos.

This guide details a modification for the Kel-Tec Sub-2000 to create a submachine gun-style safety for the charging handle. This modification, performed using a Dremel and cold blue, allows the charging handle to lock back securely, preventing accidental release and potential interference with mounted optics. It's particularly useful when using wrap-around optic mounts.

This video demonstrates the loading technique for a Howell Automatic Rifle, a semi-automatic conversion of the SMLE. The process involves using four 5-round stripper clips to load a 20-round detachable box magazine. The demonstration highlights efficient use of stripper clips and proper manual action cycling.

This video demonstrates the specialized loading procedure for the Springfield 1903 Air Service Rifle, highlighting the use of stripper clips to fill its unique 25-round extended magazine. Mae, exhibiting high authority and expertise, showcases proper technique for engaging targets at 70 yards, emphasizing disciplined trigger control, efficient bolt manipulation, and consistent cheek weld during live fire. The demonstration covers the bolt-action operation, recoil impulse management, and analysis of shot placement.

This guide details the firing procedure for the Lancaster 4-barrel pistol, as demonstrated in an ASMR-style video. It covers loading, action closure, and firing, emphasizing mechanical operation and recoil. The video highlights proper muzzle discipline and the historical expertise of the presenter.

This guide details the process of loading and firing the iconic Lewis Gun, as demonstrated by firearms experts Mae and Othais. It covers the unique method of loading the pan magazine and the techniques for engaging targets in both short bursts and sustained fire. The demonstration emphasizes proper handling and the effectiveness of the light machine gun at various ranges.