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Shop 4 Deals on .45 ACP Upper Receivers

Browse .45 ACP Upper Receivers for sale at the lowest prices online.

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Lower Parts Kits

Tacfire 7" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-7 - Tacfire

Tacfire 7" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-7

$325.99 $235.99

Tacfire 16" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-16 - Tacfire

Tacfire 16" Complete Upper Assembly .45 ACP 1:16, Black - BU-45ACP-16

$367.99 $257.92

Tacfire .45 ACP 7.5" KeyMod Unassembeld Pistol Build Kit, Black - SSPK45ACPLPKK - Tacfire

Tacfire .45 ACP 7.5" KeyMod Unassembeld Pistol Build Kit, Black - SSPK45ACPLPKK

$399.99 $287.99

Tacfire Build Kit for AR-15 45 ACP Complete Rifle, Nitride Black - SSRK45ACPLPK - Tacfire

Tacfire Build Kit for AR-15 45 ACP Complete Rifle, Nitride Black - SSRK45ACPLPK

$518.06 $310.99

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