Turning your 9mm into a 10mm, the old fashioned way.

This expert-level review details the FBI's rare 10mm MP5, exploring its origins after the 1986 Miami shootout and its adoption alongside the Smith & Wesson 1076. It highlights the MP5-10mm's exceptional accuracy and tactical advantages in CQB and vehicle operations, as shared by former FBI agents. The review concludes with the reasons for its eventual phasing out in favor of M4 carbines due to evolving threat landscapes and cartridge limitations.

The 9mm caliber's long-standing dominance is being challenged by newer or resurgent options like .30 Super Carry, 5.7x28mm, 10mm Auto, .357 SIG, and .22 TCM. These alternatives offer advantages in capacity, ballistic performance, recoil management, or terminal energy, catering to specific needs beyond the traditional 9mm balance.

This video from Kentucky Ballistics pits the 10mm Auto against the .357 Magnum in a ballistic gel test. Both calibers, using 180-grain JHP (10mm) and 125-grain JHP (.357 Magnum) respectively, demonstrated full penetration through a 16-inch Clear Ballistics gel block. The comparison highlights the raw power of both cartridges, leaving the age-old debate unsettled.

This video provides a practical, on-range comparison of 10mm pistol recoil, specifically evaluating the effectiveness of a compensator. Firing the same potent 165gr V-Crown Max Charge LongShot ammunition across three distinct platforms—a Glock 29, an M&P Carry Comp, and a Springfield XDM—the demonstration aims to quantify the felt recoil reduction offered by a compensated firearm. The expert handling and comparative setup suggest a focus on real-world performance insights for 10mm enthusiasts.

This review of the Kimber DS Warrior 10mm highlights its position as a more affordable double-stack 1911 alternative. Key features include an excellent Kimber trigger, carbon fiber infused grips, KimPro II finish, and an optics-ready slide with an RMR plate. The pistol is chambered in 10mm with a 15-round capacity, tall serrated black rear sights, a tritium front dot, and a Picatinny rail. The MSRP is noted at $1300.

This review of the Smith & Wesson 500 Magnum highlights its immense power, comparing its perceived recoil and size to a Glock 20. The speaker, demonstrating significant firearms expertise, notes the revolver's substantial weight and the fatigue it can induce during extended range sessions. The video also touches on ammunition differences and the subjective nature of trigger feel.

The Daniel Defense DDM4 PDW chambered in .300 Blackout is presented as a highly effective modern defensive tool. It features a 7-inch barrel, 20-round capacity, and is shown with accessories like a Trijicon RMR and Surefire Scout light. The .300 Blackout cartridge's utility in a PDW platform is highlighted, despite common misunderstandings, with a live-fire demonstration showcasing its effectiveness.

This video compares the 5.56 cartridge to the more powerful .30-06 Springfield, highlighting the latter's historical use. It features a Remington 742 semi-automatic rifle in .30-06, questioning the classification of traditional firearms as 'assault weapons'. Live fire demonstration showcases the rifle's performance.

This review details the AR-57 upper receiver, a conversion for the standard AR-15 platform chambered in 5.7x28mm. It highlights the unique top-mounted P90 magazine system and a clever downward ejection modification using a cut Magpul PMAG to catch spent brass. The demonstration confirms the effectiveness of this brass-catching hack.

The Ruger Mini-14, chambered in .223 Remington/5.56 NATO, is examined for its 'weapon of war' status. The review highlights its modularity, demonstrated by a quick stock swap from synthetic to wood folding. Live fire shows its capabilities, contrasting its public perception with other firearms.