The G&P Metal M4 Ball Rifle AEG Series are now in stock at Tiger111HK. You get to choose between three lengths (Long, Medium and Short), and two colours (Black and Sand)... "G&P Ball Rifle AEG Series is the newest M4 type AEG with the new Ball type accessories, like the ball type rail cover, mid-cap magazine, motor grip and collapsible rear stock. These ball type texture can let user hold their rifle more tightly when they wear gloves."