Camelbak Linchpin 100 oz/3.0L, NSN 8465-01-592-2354, Mil-Spec Antidote (Long) Reservoir, Foliage Green - The ArmyProperty Store
Camelbak Ambush AB 500, Thermobak AB, and Linchpin Tactical Hydration Packs/Reservoirs with Direct Armor Attachment System (D.A.A.S.): Strap your tactical hydration directly to your tactical armor plate carrier/tactical vest system! – DefenseReview.com (
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