One of the world's most popular Military and Law Enforcement Carbine designs, this complete R4 system features the heavy M4A1 barrel profile, which accepts the M203 Grenade Launcher, a flat-top receiver with a Picatinny rail to mount sights and optics, is equipped with a handguard with accessory mounting rails at 12, 3, 6, and 9 o’clock, and a six-position collapsible rear stock. The R4 is completely compatible with all MIL-SPEC M4 or M4A1 replacement parts. This R4 configuration is in use by the Philippine National Army and Marine Corps and is under contract for Foreign Military Sales to the US Army. This complete R4 system is delivered with all necessary accessories so that it is “ready to fight” right out of the box.
SKU | 86612 |
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Caliber | 5.56X45mm NATO / .223 Remington |
FIRE-CONTROL | Semi and Full Auto |
TRIGGER | 2 stage M4/M16, full auto, 5.5-8.5 lbs |
BARREL LENGTH | 14.5" |
TWIST | 1:7 |
BARREL MATERIAL | Hammer Forged Carbon Steel |
STOCK | 6-position collapsible |
FOREND | Quad 1913 Picatinny Rail |
SIGHTS | Rear – Flip up aperture or carrying handle sight | Front – Post on fixed A-frame |
MAGAZINE | 30rd |
WEIGHT | 7.28 lbs |
LENGTH | Stock extended – 34.75” (882.65 mm) | Stock retracted – 30.75” (781.05 mm) |