Celik Arms Buck Master Gen2M - O-Ring for Recoil Shaft (PB12M-C1-O)
The Celik Arms Buck Master Gen2M O-Ring for Recoil Shaft is a factory-original sealing component designed to maintain smooth, consistent cycling and minimise vibration within the Gen2M (magazine-fed) recoil assembly. Manufactured from high-quality, oil- and heat-resistant elastomer, the O-ring provides a precise seal between the recoil shaft and surrounding components, preventing lubricant migration and reducing metal-on-metal impact during operation.
Function & fitment: this O-ring is a direct-fit replacement that installs onto the Gen2M recoil shaft to cushion carrier movement and preserve alignment under recoil. Its dimensions and material composition are matched to Celik Arms factory specifications, ensuring proper tension and elasticity for long service life. When installed correctly, it helps stabilise the recoil assembly, maintain consistent bolt return velocity, and reduce wear on adjacent steel components.
Maintenance & service notes: always ensure the firearm is unloaded before performing maintenance. Inspect the O-ring regularly for cracks, flattening, swelling, or cuts caused by heat or solvent exposure. Replace immediately if any damage or loss of elasticity is observed. Lightly lubricate with firearm-safe oil during installation to prevent twisting or abrasion. Avoid contact with harsh cleaning agents or petroleum-based solvents that may degrade the material. Intended exclusively for Celik Arms Buck Master Gen2M (magazine-fed) rifles — recommended for routine maintenance, rebuilds, or replacement of worn recoil shaft sealing components.
