1. CNC-machined full aluminum body with sandblasted and anodized finish. One-piece chamber with side guides for easy and airtight installation. 2. Patented steel TDC ring with stepless adjustment—accessible from the bottom without removing the slide. 3. Anti-slip screw surface prevents loosening from vibration during extended use. 4. Includes 1.5mm hex aluminum wrench with knurled grip for better handling. 5. Upgraded dual-side clamping replaces traditional screws, ensuring precise alignment and reducing part loss and deformation. 6. Compatible with most MARUI-spec GBB buckings and precision inner barrels.
This product offers the following options: ●Complete set (standard configuration is TL-HOP bucking, precision inner barrel, HOP chamber, includes an adjustment tool.) ●Single HOP-UP chamber set (standard configuration is TL-HOP bucking) ※Length below 220mm without air-cushion groove design. ※KJ CZ P-09 standard version inner barrel length: 102mm; threaded version inner barrel length: 120mm. ※Hop-up chamber material: aluminum alloy, steel, surface sandblasted, anodized.
※All retrofit kits are assembled by our professional technicians, but there may still be slight tolerances between different batches of airsoft guns. It is recommended that you must have relative DIY ability before purchasing.※
※精密管材質:青銅,表面電鍍化學鎳。 ※Inner barrel material: bronze&electroplated chemical nickel.