G.I. Sportz Race 2.0 Knee Pads - 2XL Factory Spare Parts this gives you the ability

this gives you the ability to create receivers for specific applications

If you increase the rate of fire above what the mechanical parts on the gun can handle it can cause damage to your cyclone feed system

New e-Flex thermo-foam ear pieces

14"" Barrel with AC Barrel Threads

The M16 Mag is made from a virtually "unbreakable" composite material and is realistic with its mil-sim design

G.I. Sportz Race 2.0 Knee Pads - 2XL Factory Spare Parts this gives you the abilityDesigned to flex with your every move while shock protecting your knees with a complete cup coverage that absorbs impact from multiple angles. Our Knee Pads offer complete Patella, Lateral and Medial Protection in unsurpassed comfort. MORE INFORMATION ULTRALIGHT CONSTRUCTION ADJUSTABLE ELASTIC STRAP SILICONE INNER NON SLIP BANDS EVA 3D MOLDED FOAM PAD 4 WAY STRETCH FABRIC VENTED 4 WAY MESH BACK INTEGRATED GLOVE