| Danish M1880/85 Army Revolver |
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| Danish Model 1891 Navy |
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| Darne "Canardière Portatif" Waterfowling Gun |
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| Dart Gun |
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| Dart gun |
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| Davis P-32 |
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| Def Tech 1315 |
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| Def Tech 1315 37mm launcher |
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| DefTech 1315 |
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| DefTech 37mm Launcher |
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| DefTech 37mm launcher |
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| DefTech 37mm multi launcher |
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| DefTech 40mm multi launcher |
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| Defense Technologies 1315 Gas Gun |
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| Defense Technologies 37mm Gas Gun |
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| Defense Technologies 40mm multi-launcher |
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| Defiance pistol |
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| Degtyarev DP-28 machine gun |
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| Degtyarov DP-28 |
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| Degtyaryov DA |
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| Degtyaryov DP-27 |
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| Degtyaryov DP-28 |
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| Degtyaryov DT |
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| Degtyaryov RPD |
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| Denel PAW-20 |
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| Denix LeMat |
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| Deputy Marshal Bobby Biggs |
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| Desert Eagle |
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| Desert Eagle MK I |
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| Desert Eagle Mark I |
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| Desert Eagle Mark VII |
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| Desert Eagle Mark XIX |
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| Desert Eagle Non-Gun |
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| Desert Tactical Arms Stealth Recon Scout |
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| Desert Tech MDRX |
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| Desert Tech SRS-A2 Covert |
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| Destroyer Armor Prototype Gun |
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| Detective Williams |
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| Detonics Combat Master |
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| Detonics CombatMaster |
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| Detonics Combatmaster |
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| Detonics Pocket 9 |
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| Detonics ScoreMaster |
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| Detonics Scoremaster |
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| Detonics SpeedMaster |
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| Diana 5 Air Pistol |
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| Diana 5G Air Pistol |
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| Diemaco C7/Olympic K4B |
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| Dillon Aero M134 Minigun |
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| Disguised Rifle |
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