Arcturus Nylon Fiber M4 Airsoft Auto Electric Gun (AEG) with Metal M-LOK

The Arcturus M4, a perfect fusion of strength and lightweight design with its Nylon Fiber receiver complemented by steel and aluminum construction. Its billet-style receiver comes with an enhanced trigger guard and ambidextrous controls for added convenience.   Features Equipped with a 12" Metal M-LOK handguard, the gun supports various M-LOK compatible accessories. Additionally, a full-length 20mm Picatinny top rail allows you to attach optics and back-up iron sights with ease. The adjustable octagonal stock allows you to personalize the length of pull for a comfortable shooting experience. The gun also features an ambidextrous sling plate and back-up quick flip-up iron sights for enhanced versatility. The quick-change spring gearbox simplifies spring adjustments, and you can even swap the backstrap grip plates to suit your preference. FPS Range: 415-420 Specifications Weight: 2020g Length: 805mm - 890mm (Adjustable) Inner barrel: 370mm~ / 6.02mm Thread Direction: 14mm Negative