A handguard is a protective component on tactical rifles that shields the shooter's hand from heat and provides mounting points for accessories.
The handguard is a critical structural component of tactical semi-automatic rifles, designed to encircle and protect the barrel while providing a secure gripping surface for the shooter's support hand. It serves as a thermal barrier against barrel heat during sustained firing and offers modular attachment interfaces for accessories such as vertical grips, bipods, lasers, and flashlights. Modern handguards utilize free-floating designs to minimize contact with the barrel, improving accuracy by reducing harmonic interference.
诱因 → 失效模式 → 工程缓解
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Free-float handguards attach only to the receiver, eliminating contact with the barrel for better accuracy. Drop-in handguards contact the barrel at multiple points and are easier to install but can affect precision.
M-LOK uses slot-and-screw mechanisms with superior shear strength, while KeyMod uses keyhole slots. M-LOK has become the military standard (MIL-STD-1913) and offers better accessory compatibility.
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