Description
AR-9 Specific Kabuto Drop-In Rapid Reset System
Engineered specifically for 9mm platforms, the AR-9 Kabuto is a drop-in Rapid Reset System built to handle blowback operation while maintaining incredible speed and reliability.
Materials & Construction
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Robust Housing: 3D printed from durable high-performance material for a dependable fit.
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Precision Internals: Built with 304 stainless steel internals paired with a rugged tool steel pin for maximum wear resistance against the harsher forces of a 9mm blowback system.
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Reinforced Ambidextrous Safety: Ships complete with a 3-position selector switch featuring the signature design internally reinforced with a full-length stainless steel screw running through its core, eliminating the high-stress failure points common in standard printed safeties.
Critical Modification & Buffer Tuning Note
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Bolt Weight Requirement: Because of the unique dynamics of 9mm blowback setups, your bolt weight must be modified to match an M16 bolt profile to interact correctly with the system.
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Buffer Weight: These systems often require a heavier dead blow (non-solid) buffer to ensure proper cycling and prevent timing issues.
Compatibility & Requirements
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Platform: AR-9 (Fits aluminum lowers that use a standard mil-spec fire control group).
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Exclusions: Does not fit the G Force Jawbone lower.
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Trigger Compatibility: Designed for standard mil-spec fire control groups requiring zero modification. Other trigger types are untested.


