JB Unicorn Tight Bore 6.03mm Barrel - M16A3 Series, 509mm (20.04in)

JB Unicorn Tight Bore 6.03mm Barrel - M16A3 Series, 509mm (20.04in)

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The JB Unicorn Tight Bore 6.03mm Barrel - M16A3 Series, 509mm (20.04in) is evocative, to say the least, but that's why you're drawn to it in the first place.

Inventory Last Updated: Aug 28, 2025