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HK Army Fill Nipple Cover – Black
HK Army Fill Nipple Cover – Blue
HK Army Fill Nipple Cover – Gold
HK Army Fill Nipple Cover – Neon Green
HK Army Fill Nipple Cover – Pewter
HK Army Fill Nipple Cover – Purple
HK Army Fill Nipple Cover – Red
HK Army Fill Nipple Cover – Silver
HK Army Hostile XLP Regulator – Side Port – Black
HK Army Hostile XLP Regulator – Side Port – Blue
HK Army Hostile XLP Regulator – Side Port – Gold
HK Army Hostile XLP Regulator – Side Port – Purple