4" 9mm Upper Builds

Davidson Defense 'Magnum' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $214.99~~ $159.99 Sale

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Davidson Defense 'Magnum' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build

~~MSRP: $349.99~~ $264.99 Sale

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Davidson Defense 'Black Ice' 4.5" AR-15 9mm Nitride Pistol Full Build Kit

~~MSRP: $464.99~~ $349.99 Sale

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Davidson Defense 'Black Ice' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build

~~MSRP: $329.99~~ $244.99 Sale

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Davidson Defense 'Black Ice' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $189.99~~ $144.99 Sale

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Davidson Defense 'Diamond Duck' 4.5" AR-15 9mm Nitride Pistol Full Build Kit

~~MSRP: $509.99~~ $384.99 Sale

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Davidson Defense 'Diamond Duck' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build Kit

~~MSRP: $349.99~~ $264.99 Sale

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Davidson Defense 'Diamond Duck' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $209.99~~ $159.99 Sale

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Davidson Defense 'Breach' 4.5" AR-15 9mm Nitride Pistol Full Build Kit

~~MSRP: $429.99~~ $319.99 Sale

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Davidson Defense 'Count' 4.5" AR-15 9mm Nitride Pistol Full Build Kit

~~MSRP: $429.99~~ $324.99 Sale

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Davidson Defense 'Breach' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build Kit

~~MSRP: $339.99~~ $259.99 Sale

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Davidson Defense 'Count' 4.5" AR-15 9mm Nitride Pistol Complete Upper Build Kit

~~MSRP: $344.99~~ $259.99 Sale

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Davidson Defense 'Count' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $204.99~~ $154.99 Sale

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Davidson Defense 'Breach' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $204.99~~ $154.99 Sale

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Davidson Defense 'Fourth Moon' 4.5" AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $219.99~~ $164.99 Sale

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Davidson Defense 'Projected Power' 4.5-inch AR-15 9mm Nitride Pistol Upper Build Kit

~~MSRP: $189.99~~ $144.99 Sale

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Davidson Defense 'Projected Power' 4.5-inch AR-15 9mm Nitride Pistol Complete Upper Build

~~MSRP: $329.99~~ $249.99 Sale

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Davidson Defense 'Projected Power' 4.5-inch AR-15 9mm Nitride SBM4 Pistol Full Build Kit

~~MSRP: $494.99~~ $374.99 Sale

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Davidson Defense 'Projected Power' 4.5" AR-15 9mm Nitride SBA3 Pistol Full Build Kit

~~MSRP: $554.99~~ $414.99 Sale

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Davidson Defense 'Projected Power' 4.5" AR-15 9mm Nitride KAK Pistol Full Build Kit

~~MSRP: $464.99~~ $349.99 Sale

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4" 9mm Upper Builds

Products [20]