The M4-M4A1 conversion increases weapon weight from 7.46 lb (3.38 kg) to 7.74 lb (3.51 kg), counting a back-up iron sight, forward pistol grip, empty magazine, and sling. Each carbine upgrade costs $240 per rifle, for a total cost of $120 million for half a million conversions.

A US Special Forces soldier armed with a M4A1 Carbine, fitted with an underslung M203 40mm grenade launcher, aimed with a M68 Close Combat Optic red dot sight. This M4A1 also has a AN-PEQ2 and a flash-light fitted to the Rail Interface System (RIS).

Aug 10, 2023 · The M4/M4A Carbine is a 5.56mm compact, lightweight, gas-operated, air-cooled, magazine-fed weapon system with selective fire that can be sighted from the shoulder. The M4/M4A Carbine is the latest weapon in a family of firearms dating back to the M16 and even to the carbine AR-15.

Aug 18, 2020 · The Aimpoint® (The M68 is the military version of the CompM XD) is a battery operated, parallax free, red dot sight. The reticle is 3 MOA, and is adjustable for intensity by means of a rheostat switch. Eye relief is unlimited, and it is waterproof to 66’.

It has a number of modern features including a telescopic stock and an integrated rail system for the mounting of optics (M150 4x optic, or the M68 Close Combat Optic) and grips. Its light weight and high cyclic rate make it a very handy weapon in various combat environments.

Apr 28, 2023 · Chief Dave emerges from the water armed with the M4A1 fitted with an Aimpoint CompM2, Surefire 6P weaponlight, and a Colt forward sling mount. (Image source: imfdb) It’s as simple as an optic can get.

The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock.

The dot of the M68 at 4 MOA was great for CQB shooting, but when aiming at a target 300 meters away, the dot Iraq, 2005: M4A1 with SU-231 (EOTech 552). Although EOTech had been in the system for a number of years, author was not issued one until just prior to his third Iraq tour.

Dec 6, 2003 · Now, on to the actual review: The M-4 with M-68 and PAQ-4. The M-68 is a nice bit of technology out to around 300 metres. It’s red dot reticle makes hits around that range a bit imprecise (the backup peep is honestly better there, as the frnt sight post doesn’t block the target the way the dot does) but otherwise, it is a superb system.

Oct 15, 2022 · An M4A1 equipped with an M68 Aimpoint optic (2009~) By 2005, the M4 had finally displaced the vintage M16A2 in the hands of mainline US Army field personnel and would see larger use during the ongoing wars in both Afghanistan and Iraq.