Lancer Tactical M4 Gen 2 Metal Front Rail AEG Airsoft Rifle Dimension Chart Power Source: ElectricBattery Type: 8.4v Nunchuck Style Battery (Tamiya)Material: PolymerVelocity: 450 FPS w/ 0.20g BBsGearbox: Full Metal Version 2 GearboxQuick Change Spring: YesMagazine Capacity: 300 RoundsThread Direction: 14mm counter-clockwiseFire Modes: Safe, Semi Auto, Full AutoHop-Up: Yes, AdjustableInner Barrel Length: 210mmLength: 1000mm (39.4")Weight: 5.95 lbsColor: Black Gen 2 Gearbox Features Built with high strength full metal alloyQuick-Change spring system allows muzzle velocity adjustmentComes with cylinder, nozzle, selector plate, and spring guideIncludes trigger and integrated small type mini connector Rail Enhanced Accuracy: Fixed front sight with adjustable rear sight and a versatile 20mm Picatinny top rail (Weaver/Picatinny).Sturdy Trigger: Rugged full metal trigger assembly for consistent performance.Adjustable Hop-Up: Hop-up is adjustable and features a threaded 14mm counter-clockwise barrel. Durable Construction: Robust polymer upper and lower receivers paired with a solid full metal handguard featuring RIS segments.Reliable Gearbox: Equipped with a sturdy full metal Version 2 gearbox and precision 8mm bearing and bushing set.Optimized Performance: Features efficient low-resistance wiring and durable metal piston teeth.Quick Maintenance: Convenient quick change spring system for easy adjustments. M4 Metal Front Rail M4 Carbine 10" SD M4 Polymer M4 SPR "Interceptor" M4 RIS Add to Cart Buying Options Add to Cart Add to Cart Add to Cart Customer Reviews 3.0 out of 5 stars 1 — 4.5 out of 5 stars 1,244 4.3 out of 5 stars 725 4.2 out of 5 stars 43 Price $169.00$169.00 — no data $169.00$169.00 $179.00$179.00 $159.00$159.00 Material Polymer Nylon Polymer Nylon Polymer Nylon Polymer Nylon Polymer Electric Automatic ✓ ✓ ✓ ✓ ✓ Build Polymer Metal Gearbox with includes upgraded internals Full Metal Gearbox, Magazine / Nylon Polymer Receivers, Pistol Grip, Winding Wheel, Flip-up Sights, Stock Polymer Receivers, Stock, Handguard / Metal Outer Barrel Metal Gearbox, Outer Barrel / Nylon Polymer Receiver, Rail System, Stock, Carry Handle, Motor Grip, Sights Velocity 450 FPS w/ 0.20g BBs 370 - 395 FPS 370-390 FPS (w/ 0.20 BBs) 370 - 390 FPS / 330 - 350 FPS (w/ 0.20g BBs) [High / Low Version] 370-395 FPS (w/ 0.20g BBs) Hop-Up Adjustable Adjustable Rotary Yes, Rotary Adjustable Adjustable Weight 5.95 lbs 4.20 lbs 4.20 lbs 5.2 lbs 4.3 lbs Length 39.4" Inches (Collapsed-Extended) 31" in. / 34.5" in. (Retracted / Extended) 28.5"-32.5" Inches Collapsed-Extended) 32.25" in / 35.5" in. (Retracted / Extended) 31" in. / 34.5" in. (Retracted / Extended) Color Black Black Black Black Black