DYTAC UXR 3.1 RAS (13.5 Inch) for Systema PTW Profile (1 1/4Inch / 18) DE Conversion Kit The box magazine is made

The box magazine is made out of metal and is capable of holding 4000 rounds of BBs which is plenty

BW-ACC-A1A1009 Manufacturer / Brand Ace 1 Arms Major Color FDE Major Built Material CNC Aluminum Size 1

Barrel Thread Diameter : 14mm

The MSA connects directly to the MOE Hand Guard

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DYTAC UXR 3.1 RAS (13.5 Inch) for Systema PTW Profile (1 1/4Inch / 18) DE Conversion Kit The box magazine is madeDYTAC UXR 3. 1 RAS (13. 5 Inch) for Systema PTW Profile (1 1 4Inch 18) 6061 T6 Aluminum Construction Free float 20mm Rail system for mount foregrip, tactical scope, red dot, laser & flashlight etc Additional space on both for mount Mil spec Picatinny Rails on (Not Include) Equipped with Heat Shield Suitable for Systema PTW Profile (1 1 4Inch 18) Series Airsoft Rifle Length (Rail): 345 mm NOTES: Modification & Self Installation is required, recommended