Costa Ludus Costa #11 Flag Tee - Stone Grey/Black COSTA #2 223 Remington ammunition) and are

223 Remington ammunition) and are gas-operated

SKU KA-CART-60R433 Item Weight (gram) 220g Major Color Blue Built Material Aluminum Manufacturer King Arms Other Power Source Gas

Nylon Fiber Handguard for 556 HOLO  - 7mm Bearing Gear Box with Brand New Designed Bolt Carrier Operating Mechanism  - One Piece Metal Outer Barrel  - Ambidextrous Selector  - Railed Flat Top for scope and red dot sight  - Stylish Flip-Up Front Sight & Low Profile Flip-Up Rear Sight  - 135 Rounds SIG556 Nylon Fiber Magazine (Also compatible with M4 / M16 Magazine)  - Compatible to Other Brands Reinforce Parts (Except the Piston & Nozzle)  -Trademark of SAN

while reducing wrist and forearm fatigue

It's comfortable to hold

Costa Ludus Costa #11 Flag Tee - Stone Grey/Black COSTA #2 223 Remington ammunition) and are100% preshrunk cotton Seamless collar Fully double needle stitched Taped shoulder to shoulder