PARTS: Internal

Madbull SS 6.03ID 509mm SteelBull Stainless Steel Barrel steelbull-509

Madbull SS 6.03ID 590mm SteelBull Stainless Steel Barrel steelbull-590

MAXX Model CNC Aluminum Hop Up Chamber for AEG Using GBB Bucking/Barrel - M4G (For Standard M4) MX-HOP020MG

MAXX Model CNC Aluminum Hopup Chamber M4W (For MTW M4) MX-HOP020MW

MAXX Model M4A-PRO CNC Aluminum Hop Up Chamber for M4 AEG MX-HOP010MA

MAXX Model M4P Pro CNC Aluminum Hop Up Chamber for PolarStar M4P-PRO

MAXX Model M4W MTW CNC Aluminum Hop Up Chamber for MTW Milspec, Forged, Billet and MTW-9 Series MX-HOP010MW

MAXX Model SCAR CNC Aluminum Hop Up Chamber SV-VFC SCAR-L/H

Modify Cylinder Set for M4-A1/RIS/SR16 GB-01-52

Modify PP-2K Fire Selector Set 65302627

Modify Precision Barrel 6.03ID 485mm for MOD24 HP-03-17

ORGA 6.05ID LEX Precision Inner Barrel for AEG, 407mm

PDI 6.01ID Stainless Steel Inner Barrel

Pro-Arms VFC SCAR CNC Precision Hop Up

Prometheus 6.03ID 155mm EG Tight Bore Inner Barrel for AEG

Prometheus 6.03ID 185mm EG Tight Bore Inner Barrel for AEG

Prometheus WIDE USE M4 Hop Up Chamber

Ra-Tech 6.01ID 370mm Precision Inner Barrel w/ Outer Barrel for WE SCAR GBB

Ra-Tech Stainless Steel Inner Barrel for KWA LM4 GBB Rifle

Retro Arms CNC M249 CNC Hop Up Chamber 7162