Caliber Conversion Kits

Caliber Conversion Kits

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  • HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade

    HKP HK UMP (.40 S&W/.45 ACP/9mm) USC to UMP ACR Stock Upgrade

    HKP HK Parts

    $459.95
    HK USC-UMP ACR Stock Adapter & ACR Stock ComboA new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. Each unit comes complete with the ACR stock, hinge pin, sling mount and stock...
    HKP-17252
    $459.95
    Qty in Cart: 0
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    $459.95
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  • B&T TP9, TP380 Stock Conversion Kit B&T TP9, TP380 Stock Conversion Kit

    B&T TP9, TP380 Stock Conversion Kit

    B&T Brugger & Thomet

    $147.95
    Stock Conversion Kit - TP9, TP380 Converts the Telescopic Brace into a Telescopic Stock. BT-20522/20538 for TP9, TP380.
    HKP-19128
    $147.95
    Qty in Cart: 0
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    $147.95
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  • Out Of Stock
    H&K 91/G3 (.22LR) Conversion Kit H&K 91/G3 (.22LR) Conversion Kit

    H&K 91/G3 (.22LR) Conversion Kit

    H&K Heckler & Koch

    $0.00
    Used Surplus Genuine German HK G3 .22 caliber conversion kit Fits and converts all HK91, G3 rifles to shoot the cheap and readily affordable .22 LR ammunition. Includes bolt group, barrel tube, 1 magazine, and cleaning kit and wooden green case. NO...
    HKP-01147
    $0.00
    Qty in Cart: 0
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    $0.00
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  • MM HK UMP 9mm Conversion Kit - 16 inch Barrel MM HK UMP 9mm Conversion Kit - 16 inch Barrel

    MM HK UMP 9mm Conversion Kit - 16 inch Barrel

    Michaels Machines

    $889.95
    HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the...
    HKP-02284
    $889.95
    Qty in Cart: 0
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    $889.95
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  • MM HK UMP (.40 S&W) Conversion Kit MM HK UMP (.40 S&W) Conversion Kit

    MM HK UMP (.40 S&W) Conversion Kit

    Michaels Machines

    $999.95
    HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...
    HKP-18754
    $999.95
    Qty in Cart: 0
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    $999.95
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  • MM HK UMP 9mm Conversion Kit MM HK UMP 9mm Conversion Kit

    MM HK UMP 9mm Conversion Kit

    Michaels Machines

    $889.95
    HK UMP & USC 9mm Conversion Kit US Made - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in with...
    HKP-02286
    $889.95
    Qty in Cart: 0
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    $889.95
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  • Out Of Stock
    GSG9 HK G36C .300 BLK Parts Kit

    GSG9 HK G36C .300 BLK Parts Kit

    GSG9

    $2,049.00
    HK G36C .300 Blackout Caliber Parts Kit- USA Complete G36C Semi-Auto Parts Kit. This kit includes all parts needed for a complete build minus the receiver. The barrel and gas block are Black Nitride coated for longevity and resistance against wear and...
    HKP-18704
    $2,049.00
    Qty in Cart: 0
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    $2,049.00
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  • H&K UMP (.40 S&W) Conversion Kit - Used H&K UMP (.40 S&W) Conversion Kit - Used

    H&K UMP (.40 S&W) Conversion Kit - Used

    H&K Heckler & Koch

    $1,087.95
    HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...
    HKP-00729
    $1,087.95
    Qty in Cart: 0
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    $1,087.95
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  • HKP HK UMP (9mm) Conversion Kit - 3 Lug - Threaded Barrel 1/2 x 28 HKP HK UMP (9mm) Conversion Kit - 3 Lug - Threaded Barrel 1/2 x 28

    HKP HK UMP (9mm) Conversion Kit - 3 Lug - Threaded Barrel 1/2 x 28

    HKP HK Parts

    $999.95
    HK UMP 9mm Conversersion Kit - USA - 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The total conversion requires approximately...
    HKP-02285
    $999.95
    Qty in Cart: 0
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    $999.95
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  • Out Of Stock
    HKP HK UMP (9mm) Conversion Kit -Threaded 1/2 x 28 HKP HK UMP (9mm) Conversion Kit -Threaded 1/2 x 28

    HKP HK UMP (9mm) Conversion Kit -Threaded 1/2 x 28

    HKP HK Parts

    $679.95
    HK UMP 9mm Conversion Kit - Threaded Barrel 1/2 x 28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop...
    HKP-02287
    $679.95
    Qty in Cart: 0
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    $679.95
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  • Out Of Stock
    Tommy Built HK G36C .300 BLK Conversion Kit Tommy Built HK G36C .300 BLK Conversion Kit

    Tommy Built HK G36C .300 BLK Conversion Kit

    Tommy Built

    $874.95
    HK G36C 556/223 To .300 Blackout Caliber Conversion - USA The Tom Bostic .300 BLK conversion barrel set up is designed to drop in any G36C or Sl8 to G36C conversion and reuse your G36C op-rod/spring set, gas piston & barrel nut. Each set up comes...
    HKP-18268
    $874.95
    Qty in Cart: 0
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    $874.95
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