DryFireMag Spring Tuning Kit - Custom Weight for Glock, SIG P320, & S&W M&P

Precision Tuning for Your Dry Fire Session If you’ve invested in an aftermarket trigger or a specific connector for your Glock, SIG P320, or M&P, your training gear should reflect that change. The standard DryFireMag comes with a factory-preset weight, but the DryFireMag Spring Kit puts the customization in your hands.

Why Upgrade Your Springs?

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  Match Your Live-Fire Specs: Dial in your dry fire pull to match your exact trigger weight (from 3.0lbs to 6.5lbs depending on the platform).

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  Tactile Consistency: Consistency is the foundation of speed. By matching your trigger weights, you eliminate the "transition lag" between dry practice and live fire.

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  Tactical to Competition: Swap between heavy springs for duty-carry simulation and lighter springs for USPSA/IDPA competition prep in seconds.

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Compatibility & Variants:

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  Glock Series: Fits all standard DryFireMags for Glock models. Includes various spring rates to mimic everything from performance triggers to NY-style pulls.

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  SIG Sauer P320: Specifically calibrated for the P320 chassis system to ensure a crisp, repeatable break.

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  Smith & Wesson M&P: Designed to work with M&P 9/40/357 platforms (Shield and full-size).

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Pro-Tip from KFF Defense: "We recommend testing your live-fire trigger with a digital gauge, then selecting the DryFireMag spring that sits roughly 0.5lbs heavier. This builds 'over-strength' in your trigger finger, making your live-fire break feel even lighter and crisper."

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