Unconventional size comparison SHARE This Post photo: knives_in_action CHECK IT OUT*Rick Hinderer Spiral Investigator PenHinderer XM18 Pocket KnifeCal. 50 BMG Casing *some products may not be available in your country Related Articles Friday Fixed-Blade Carry Essential Carry by: survivalkraft Thursday evening EDC by: mindfuledc Sunday’s Evening EDC by: edcwyo