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JG Airsoft Full Metal Gearbox M16A1 Carbine AEG w/ Fixed Full Stock

SKU: JG-M16-54006MG JGOut of stock

  • - Authentic Polymer M16A1 style upper and lower receiver
  • - Full Metal Version 2 Gearbox
  • - Full metal outer barrel
  • - Precision inner barrel
  • - Shoots up to 400 feet per second (w/ 0.20g BBs)
  • - M16A1 style 190rd hi-cap magazine
  • - Teardrop forward assist (as found on the real Model 651 Carbine)
  • - Fully functional charging handle and bolt release button
  • - Front and rear iron sights, w/ long and short range apertures
  • - Adjustable one piece hop-up
  • - Metal sling mounts
  • - Battery, charger, bag of 0.20g BBs
  • - M16A1 style pistol grip
  • - Mock metal gas tube


JG Airsoft Full Metal Gearbox M16A1 Carbine AEG w/ Fixed Full Stock

The NEW JG Works Model 651 M16A1 Carbine AEG perfectly replicates the design and features of the rare Model 651 M16A1 Carbine, used by U.S. Forces during the Vietnam War. This unique Vietnam War Era carbine is highly sought after by both airsoft collectors and airsoft players alike, due to its high degree of realism, its authentic features, and its hard hitting performance. This carbine isn’t just a good show piece, its full metal Version 2 gearbox puts out a whopping 400 feet per second (with 0.20g BBs), and it has a menacing rate of fire! Whether you are looking for a versatile field ready AEG, or a rare authentic Vietnam War Era airsoft carbine, the NEW JG Model 651 M16A1 Carbine is perfect for you!

What sets the Model 651 AEG apart from standard M16A1 airsoft rifles is its compact 14.5” inch barrel and M4 style hand guard, which makes it much easier to wield in urban environments. In many ways the Model 651 was the precursor to the standard M4A1 carbine, featuring a mid-length barrel, wide tubular hand guards, and a birdcage flash hider. The polymer upper and lower receiver of the JG Model 651 Carbine AEG are nearly identical in design to the M16A1 rifle, featuring an integrated carry handle, a tear drop forward assist, as well as an M16A1 style rear iron sight. The full stock of this carbine makes it comfortable to shoulder and aim, and also makes battery installation much easier than a typical M4 carbine. Unlike most polymer body AEGs, racking the charging handle of the JG Model 651 Carbine kicks open the dust cover and locks the mock bolt to the rear, providing quick and easy access to the hop-up chamber. Pressing the functional bolt release shoots the mock bolt forward with a crisp “Snap”! All of these features combined make the JG Model 651 M16A1 Carbine one of the most authentic looking Vietnam Era carbines on the market!

This authentic Model 651 style rifle also comes with front and rear metal sling mounts, allowing you to attach an authentic Vietnam Era two point sling. A metal mock gas tube serves as a nice finishing touch and can be clearly seen through the hand guard, adding to the overall realism of the rifle. With a huge assortment of M4 and M16 AEGs on the market, the unique looking JG Model 651 M16A1 Vietnam Era AEG stays true to the rifle’s origins and is incredibly affordable for an authentic polymer M16A1 Carbine airsoft replica with a hard hitting full metal gearbox!

Ammo type: Seamless 0.20g or heavier (0.23g, 0.25g, 0.26g, 0.28g, etc) BBs. For maximum performance and accuracy, Airsoft Megastore recommends GoldenBall ProSlick BBs which carry perfect spherical consistency and density, available at Airsoft Megastore for the lowest price on the market, guaranteed.

Battery Charger Recommendation: Airsoft Megastore recommends the use of a smart charger to avoid overcharging the battery (overcharged batteries may cause decreased airsoft gun performance and may shorten battery life significantly). Smart chargers not only shorten charge time significantly (up to 800% faster charging), but more importantly, also automatically shut off once the battery is fully charged to avoid overcharged batteries.

In the Box





instruction manual


Operation Electric Automatic
Build Polymer body (metal outer barrel) w/ full metal gearbox
Firing Modes Semi-automatic, Full-automatic, w/ functional safety
Muzzle Velocity 400-409 FPS (w/ 0.20g BBs)
Magazine 190rd high capacity magazine (gear wind-up)
Gearbox Full metal Version 2
Inner Barrel Length 363mm
Outer Barrel Threading 14mm Counterclockwise (CCW)
Battery Type 9.6V and 8.4V NiMH Small Type
Hop-Up Adjustable One-Piece
Weight 6 pounds
Overall Length 34” in.

California Proposition 65 Warning: Cancer and Reproductive Harm -

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