Rebuild or optimize your MILSIG M17 for defense and training with the Complete Trigger & Grip Frame Assembly (Less Lethal Edition). Delivered fully assembled, this lower unit is specifically tuned to handle the higher stress, heavy projectiles, and high operational pressures typical of Less Lethal setups.
This LL (Less Lethal) version is pre-installed with a heavy-duty sear spring to ensure instant, rock-solid sear lockup and prevent accidental runaway fire under high pressure. While the internal mechanism is built on MILSIG's proven Full-Auto ready platform, the full-auto function has been intentionally deactivated/restricted to Semi-Auto only to guarantee 100% mechanical reliability, shot consistency, and compliance for defense and tactical applications.
Key Features
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Complete Drop-In Assembly: Pre-assembled unit including grip frame, trigger, heavy sear mechanism, and fire selector switch.
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LL Heavy Sear Spring: Factory-fitted with a stiffer sear spring engineered to reliably reset and catch the bolt when using heavy projectiles and high-pressure setups.
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Full-Auto Ready Architecture: Built using standard Full-Auto capable internal components, but mechanically set to Semi-Auto / Safe only for enhanced control and reliability.
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Maximum Operational Reliability: Eliminates full-auto cycling delays or sear slippage in high-power setups.
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Heavy-Duty Construction: High-impact composite polymer frame with hardened steel internal sears.
Specifications
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Compatibility: MILSIG M17 Series (G3, CQC, PMC, SMG, Valken A2, M5, LL)
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Fire Modes: Safe / Semi-Auto (Full-Auto deactivated)
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Edition: LL (Less Lethal) – Stiff Sear Spring Setup
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Color: Matte Black
Package Includes
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1x Complete M17 Trigger & Grip Frame Assembly – SEMI ONLY / LL (Pre-assembled)
