JG SMG SCRPN (0451)
 is an airsoft Automatic Electric Pistol (AEP) replica of the Czechoslovakian Vz. 61 Skorpion submachine gun, manufactured by Jing Gong (JG Works). This specific model is constructed with a durable polymer body and includes a battery and charger in the package. 
 
Key Features and Specifications
Model: JG 0451, also known as the V61 Skorpion or R2 clone.
Power Source: Electric (AEP), powered by an included custom 7.2V NiMH rechargeable battery (700mAh capacity).
Material: Features a lightweight, high-quality polymer main body, with a metal gearbox and some alloy internal/outer barrel parts.
Fire Modes: Offers both semi-automatic and full-automatic firing modes.
Velocity: Shoots approximately 250-280 FPS (Feet Per Second) with 0.20g BBs.
Magazine: Comes with an 80-round high-capacity wind-up magazine.
Stock: Includes a foldable wire stock, allowing for a compact length (approx. 270mm folded) for CQB (Close Quarters Battle) or a longer length (approx. 522mm extended) for stability.
Hop-Up: Features an adjustable hop-up system for optimizing range and accuracy.
Tactical Accessories: Has a threaded barrel for attaching suppressors and a 20mm RIS rail under the barrel for mounting accessories like lights or lasers.
Weight: The replica weighs around 1.1 kg (approx. 2.4 lbs). 
This airsoft gun is a popular choice for beginners or as a compact backup weapon, especially in CQB scenarios, due to its small size and reliable electric system that performs consistently even in cold weather.