Introducing ATTKTX™'s newest product, the Gold Chamber™, a drop-in modular performance upgrade replacing the stock METEOR Red Chamber 4X VOLUME - Extensively CNC machined for 4X increase in valve chamber volume REDUCED WEIGHT - 65% lighter than stock red chamber (11g vs 32g) NEW FRONT BLOCK OPTIONS - Now available in both 2k and Pre-2k threads DUAL THREADED - Components can be flipped to utilize undamaged threads in case of accidental stripping REPOSITIONED O-RING - Front O-Ring repositioned to isolate potential chamber leaks caused by VASA pin holes machined too deep SPLIT-PIECE MODULAR DESIGN - Grip frame and valve components can remain in place, if desired, during front block disassembly or maintenance INDEPENDENTLY FASTENED - Reduced potential stripping caused by misalignments when tightening two vertical threads in the stock one-piece red chamber SYMMETRICAL DESIGN - Intentionally designed for ease of installation, where each component offers dual mounting positions + a rear spring perch that installs from either direction with your 10-32 cocking rod DUAL AIR-FLOW PASSAGES - Elongated air passages for twice the flow to the valve VALVE SPRING OPTIMIZATION - Now compatible with both smaller 2k valve springs and the stock conical spring SS VASA SCREW UPGRADE - Includes hollow Stainless Steel vasa screw for increased Flow/Volume and added corrosion resistance COMPATIBILITY - Direct fit into Meteor 11/16" lower tube markers. May fit other 11/16" markers or modified to work inside PRE-2k platforms INSTALLATION TIPS -Use light grease around the rear spring perch and front chamber O-Rings -Install spring perch using cocking rod or spare pump arm, making sure to align threads