you must cut your existing macro line closer to your HPA Engine

LayLax Heat gradation mag catch

reduction of wall thickness - it can be used in most of M4 guns without problems

Stock Folds for Easy Transport

HK Army CTX Knee Pads hider you must cut your existingIntroducing the HK Army CTX Knee Pad System. Designed for high impact performance, with comfort and flexibility in mind. The contour, dual layered pad system absorbs shock impact to the knee. Developed with durable, lightweight materials, the CTX Knee Pad provides fluid mobility, comfort and breath ability. The 4 way stretch, inner lining increases coverage and acts as a cooling agent for hot days. Details Enhanced comfort and durability Contour, dual