PiggyFoam Ontos | Hardware Kit – High-Velocity Lightweight Springer Platform NOTE: This is for the larger plunger tube variant. STL files for 3D printing and instructions will be sent to your email after purchase. The PiggyFoam Ontos Hardware Kit is a groundbreaking, high-velocity springer platform engineered to bridge the gap between competitive performance and accessibility. Designed for players who demand power without the weight, the Ontos delivers a staggering 250+ FPS range in a streamlined, low-mass chassis that prioritizes agility and ease of maintenance. Distinguished by its innovative engineering, the Ontos utilizes a unique track-based bearing prime system. By employing metal bearings on a flat plastic track, this design offers superior robustness and a glide so smooth it rivals expensive linear rails at a fraction of the cost. The chassis features a self-tensioning frame architecture that uses advanced joinery and canted screw bores to achieve exceptional rigidity without the need for heavy metal tension bars. With a minimalist Bill of Materials using only one screw size, the Ontos is the ultimate primary for efficiency-minded builders. Product Note: This listing is for the hardware kit only. 3D printed parts and accessories are sold separately. Files can be downloaded here Features: Track-Based Bearing Prime: Metal bearings on a flat track provide a robust, incredibly smooth prime with superior contact area compared to standard designs. Self-Tensioning Frame: Advanced geometry creates a lightweight yet rigid chassis without heavy metal bars or complex hardware. Metal Anodized Plunger Tube: Durable, low-friction metal plunger tube with a premium anodized finish for enhanced performance and wear resistance. Rapid Quick-Swap Spring System: A simple quarter-turn spring rest allows for tool-free velocity tuning and easy maintenance. Integrated Tool-Free Collet: Swap barrels instantly to adjust performance requirements without needing a single tool. Minimalist Architecture: Designed around a streamlined BOM and a single screw size for an effortless, low-cost assembly experience. 4-Point Adjustable Stock: Highly adaptable ergonomics designed to fit a wide variety of arm lengths and playstyles. Optimized for Customization: Flat-printing shell design ensures maximum strength and allows for easy multi-color aesthetic customization. Included: PiggyFoam Ontos Hardware Kit ONLY 35id 38od 15cm plunger tube Dash 123 O-rings 1.6 × 250mm Worker spring 40cm 13ID barrel Note: 3D Printed parts are NOT included Licensed Retailer: Ideal Foam Blaster (IFB) is an authorized retailer for PiggyFoam.