Videos tagged with Bolt Hold-Open

This video highlights two significant drawbacks of the BC Nine firearm: its failure to reliably lock back on an empty magazine, even with multiple Glock magazines, and its non-standard 1/2 x 36 thread pitch. The speaker, demonstrating experienced firearm operation, notes the inconvenience of sourcing compatible muzzle devices for suppressors due to the unusual thread pitch. These issues impact the firearm's practical usability for everyday carry and suppressor integration.

This video delves into the history and technical specifications of the HK SMG1 and SMG2, two lesser-known submachine gun prototypes developed for the US Navy in the 1980s. It features live-fire demonstrations, cyclic rate testing, and detailed comparisons with iconic HK firearms like the MP5 and MP5K, offering insights into their design evolution and potential. The content highlights advanced features for the era, such as suppressor integration and ambidextrous controls, positioning these as transitional designs leading to the UMP.

This guide details the operation and firing of the Nambu Type 14 pistol, as demonstrated by Misha. It covers magazine loading with 8mm Nambu cartridges, chambering a round, engaging the safety, and live-fire execution at an outdoor range. The video highlights the pistol's last-round bolt hold open feature, offering practical insights for handling this vintage firearm.

This guide, drawing from a demonstration by firearms enthusiast FrenchGunGuy, outlines the handling and operational differences between the H&K UMP45 and the iconic MP5. It covers techniques like the 'HK slap' and highlights specific features such as the UMP45's bolt hold-open and bolt release. The comparison emphasizes the MP5's established superiority due to its design and aftermarket support, while acknowledging the UMP's distinct features.

The Savage Arms RXR22 is a new semi-automatic .22 Long Rifle rimfire rifle designed for ease of use and fun. Key features include an integrated optics rail, oversized controls for better manipulation, a last-round bolt hold open, and interchangeable grip modules for a personalized fit. The rifle is also designed for straightforward cleaning with a captive stock screw and a trigger group that swings down for access.

This review of the Stenzel SAK-21 highlights its unique indirect gas-operated system, which combines elements of short-stroke and tappet systems, drawing comparisons to the SCAR and VZ 58. The firearm features a tunable gas block, an integrated bolt hold-open, and a two-stage trigger, differentiating it significantly from traditional AK platforms. The reviewer emphasizes its modularity and potential for caliber swaps, positioning it as a modern, heavily engineered defense weapon.

This review of the Stenzel Industries SAK-21, presented by Garand Thumb, details its evolution from the AKM platform, comparing it to the HK416's relationship with the M4. The rifle features a short-stroke gas piston system, billet aluminum receivers, and a modernized manual of arms including a bolt hold-open feature. Accuracy testing showed approximately 1.8-2.0 MOA with 7.62x39mm ammunition, considered excellent for the platform. The review highlights its robust construction and performance, while noting its premium price point and weight.

This review covers range time with a Marlin Camp 45 and an Auto-Ordnance 1911 A1. The Marlin Camp 45 experienced issues with its bolt hold open mechanism and a tendency to shoot high and right due to a rail modification. Magazine reliability was a significant factor, with Metalform 1911 magazines performing better than a Chip McCormick Power Mag. The Auto-Ordnance 1911 A1 also had issues with the Chip McCormick magazine and experienced a front sight failure due to improper installation.

This video provides an in-depth look at the new Zastava M72 RPK LMG, including an unboxing, first shots, and detailed specifications. The presenter highlights its robust build quality, smooth shooting characteristics, and historical significance as a squad automatic rifle. Key features like the cold hammer-forged, chrome-lined barrel, wood furniture, and bolt hold-open notch are discussed, along with maintenance recommendations for the wood furniture.

This short instructional video demonstrates the basic operation of a CZ Scorpion firearm. It covers attaching a suppressor, magazine insertion and ejection, charging the weapon, understanding the safety selector (red for fire, white for safe), and utilizing the last round bolt hold open. The video also notes the similarity in charging handle operation to an MP5.

This review of the Zastava Arms ZPAP85 in 5.56/.223 highlights its compact size, smooth shooting characteristics, and quality Serbian construction. The reviewer emphasizes its minimal recoil, even with a short 10-inch barrel, and compares its shooting dynamics favorably to AR-15 platforms. The firearm is noted for its updated features, including a flash hider and Picatinny rails, making it suitable for accessories like optics and suppressors.

The Zastava M72 RPK is presented as a refined version of the RPK platform, offering enhanced durability and features. The review highlights its heavy profile, chrome-lined 21-inch barrel, integrated bipod, and a 1.5mm bulged trunnion for increased rigidity. The firearm is chambered in 7.62x39mm and features an ambidextrous slant brake and a safety selector with a bolt hold-open function.