Description The SP System 5.1 Hi-Capa Steel Upgrade Parts provide a robust performance boost for any Hi-Capa 5.1 gas blowback pistol, giving Defcon Airsoft customers a reliable, competition-ready internal steel kit. These hardened CNC-machined components replace stock alloy pieces, thereby increasing durability, smoothing the recoil cycle, and extending service life under demanding use. This steel set supports consistent cycling during rapid strings of fire, since precision tolerances stabilise the moving assembly and reduce mechanical drag. It also improves long-term gas efficiency, for the reason that stronger steel surfaces resist deformation and maintain airtight interfaces over high round counts. Key Features Hardened CNC steel construction: delivers superior strength and resists deformation during intensive firing sessions. Direct drop-in replacements: ensures straightforward installation for trained technicians and advanced hobbyists. Enhanced cycling consistency: stabilises internal movement, thus reducing wear and increasing operational reliability. High-round-count resilience: maintains structural integrity even when used in competitive training or frequent skirmishes. Improved gas efficiency: supports better sealing performance, consequently lowering the likelihood of part failure compared with alloy originals. This upgrade set is crafted for users seeking stronger, longer-lasting components for their Hi-Capa 5.1 sidearm—whether for matches, drills, or high-intensity game days. The natural steel finish matches professional workshop standards, which in turn makes it a dependable repair option or a performance-oriented retrofit for any Hi-Capa 5.1 mechanism. SpecificationsBrand: SP SystemModel: 5.1 Hi-Capa Steel Parts (A-349)Material: Hardened CNC steelCompatibility: Hi-Capa 5.1 GBB pistolsFinish/Colour: Natural steel finish
