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FN Guardian 5.56


The FN 15 Guardian applies the FN battle-proven blueprint to a brand new MSR, making FN quality accessible to all home defenders and sport shooters. Proven to perform on any front, this new carbine has the critical upgrades for tack-driving accuracy, with a nitrided 16-inch CMV steel MIL-B-11595 barrel and 15-inch free-float aluminum handguard. The mid-length gas system reduces recoil impulse with a low-profile gas block impinging gas to the mil-spec bolt carrier. At 6.6 lbs., the light, fast-handling carbine includes the right upgrades for constant control. The pistol grip and magazines are in-mold stippled for superior grip, with the 6-position stock offering a tight lock-up and an ideal cheek weld. A 24-slot M-LOK free-float aluminum handguard offers all the mounting real estate for lights and sights and an anti-rotation pinch-lock design mates to the upper receiver, ready to mount any optic.

  • Precision-tuned 16-inch nitride coated barrel, 1:7 twist
  • Mid-length gas system, low-profile gas block
  • 15-inch Free-float M_LOK handguard
  • Forged 7075 lower receiver, Anodized finish
  • Custom FN 6-position, snag-free buttstock with multiple sling attachment points
  • Ergonomic FN pistol grip at 19.5 degree angle and aggressive texturing
  • MIL-SPEC trigger
  • MIL-SPEC charging handle and safety selector
  • 30-round FN polymer magazine


Action Semi-Automatic
Uses Beginners, Duty Use, Home Defense, Range
Barrel Length 16.1"
Caliber 5.56 NATO
Capacity 30
Color Black
Manufacturer FN America
Safety AR Style

FN Guardian 5.56 is out of stock.

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