Umarex / VFC G3A3 Gas Magazine Base Seal (Part #06-21)

Maintaining consistent gas pressure in heavy-recoil gas blowback platforms like the Umarex / VFC G3A3 requires absolute airtight integrity at every junction. The VFC G3A3 Gas Magazine Base Seal (Part #06-21) fills a critical maintenance niche, serving as the primary barrier against pressure loss at the high-stress junction of the magazine floorplate. Sourced directly from VFC to meet original factory tolerances, this replacement gasket restores degraded mags to peak operational efficiency, preventing slow leaks that drain your gas reserves during rapid-fire cycles.

• Manufacturer: VFC (Vega Force Company)
• Compatibility: Umarex / VFC G3A3 Gas Blowback Rifle (GBBR) Magazines
• Part Number: #06-21 (direct match for original factory schematics)
• Material: High-grade, chemical-resistant elastomeric rubber formulated to resist swelling and degradation from green gas, propane, and silicone lubricants
• Color: Black
• Weight: 0.0g (negligible mass, ensuring no change to magazine balance)
• Fitment: Precision-molded for drop-in installation with zero modification required
• In the Box: 1 x VFC G3A3 Gas Magazine Base Seal

Instead of retiring an expensive gas magazine due to dried-out or pinched seals, this OEM component offers a pragmatic repair solution that keeps your gear in rotation. Keeping a spare seal in your toolbox or field maintenance kit prevents compression failure from sidelining your rifle during critical operations. It is a straightforward, necessary investment in hardware longevity, ensuring your G3 GBBR maintains the hard-kicking cycling and consistent velocity expected on the skirmish field.