The video focuses on the Franklin Armory M4, an AR-15 pattern rifle chambered in 5.56 NATO and built on the Franklin Armory FAI-15 lower. The standout feature is the factory-installed Franklin Armory binary trigger, indicated by an engraving on the receiver and a Franklin Armory selector sticker. The rifle is optics ready, and a Sig Sauer Romeo-MSR red dot is mounted for the demonstration, though it does not come standard with the gun. The binary trigger is explained as firing one round when the trigger is pulled and another when it is released in the third selector position, while still offering a standard semi-automatic mode. The audible trigger reset is highlighted to show when the hammer is ready to fire again.
The host demonstrates the difference between semi-automatic and binary modes on a steel target referred to as “Mr. Hansel.” In semi-auto, the rifle fires one round per trigger pull, with a clear, audible reset before the next shot. The binary mode is then engaged, where a single pull and subsequent release of the trigger produce two shots. The demonstration includes simple double-tap strings in both modes to illustrate the change in cadence. The binary trigger is shown to make rapid double taps easier when engaging multiple targets, while acknowledging that with sufficient training, similar speeds can be approached using semi-auto alone. The focus remains on how the trigger’s design affects shot timing and perceived speed on target.
A shot timer is introduced to quantify the difference between semi-auto and binary fire. The shooter starts from a ready position and, at the beep, fires two rounds on target. In semi-auto, two runs are recorded, with best times around 0.48 seconds between the start signal and completion of the two-shot string. Switching to binary mode, the same drill is repeated with the selector already set to the third position. The binary runs produce faster times, approximately 0.37 and 0.38 seconds for the two-shot strings. A final semi-auto run again lands at about 0.48 seconds. The results suggest that the binary trigger naturally yields slightly faster two-shot engagements under these conditions, while keeping the drill focused purely on trigger manipulation speed.
To address accuracy, the video references a separate drill previously run with a Maxim PDX equipped with a binary trigger. The drill consists of four shots on each of two targets at roughly 15 yards, first in semi-auto and then in binary mode. In semi-auto, the total time for eight shots is about 3.65 seconds, with hits slightly low but generally distributed around the intended impact area. Repeating the drill in binary mode yields a faster time of approximately 2.74 seconds. The hits in binary are still on target, with some rounds stacking closely together, though also a bit low, likely influenced by height-over-bore at that distance. The comparison suggests that, at this range and with stationary targets, the binary trigger can be both faster and at least as accurate for controlled strings.
The Franklin Armory M4 is described as an AR-15 based rifle using Franklin’s FAI-15 lower, with both upper and lower receivers made from 7075-T6 aluminum. At the muzzle, it features a standard A2 birdcage flash hider. The barrel uses what Franklin calls an LTW contour, interpreted as a lightweight profile, and is paired with a mid-length gas system. The barrel is chambered in 5.56 NATO with a 1:7 twist rate. A full-length Picatinny rail runs along the top of the upper and handguard, making the rifle optics ready. The rifle in the video wears a 15-inch M-LOK handguard, providing attachment points around the clock for accessories such as lights, lasers, and grips. The host notes a preference for adding personal optics rather than relying on included sights.
The rifle comes with a standard A2 pistol grip and an M4-style six-position collapsible stock mounted on a mil-spec buffer tube. The A2 grip is identified as functional but a likely candidate for replacement based on user preference, while the stock offers adjustable length of pull for different shooters. The rifle ships with an ASC-style 30-round magazine featuring an orange follower that is easily visible when the magazine is empty. Lancer translucent magazines are also shown as range options, including FDE and smoke-colored variants. The closing remarks emphasize the Franklin Armory M4’s combination of a 16-inch, 1:7 twist barrel, mid-length gas system, 15-inch M-LOK rail, and factory binary trigger as a configuration that is enjoyable to shoot and suitable for rapid double-tap applications, with all major components produced in the United States.
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