UMP / USC Series

UMP / USC Series

Choose from an expansive selection of HK UMP and USC parts, such as HK UMP Barrels and HK USC Stocks, crafted for those who value reliability and performance. Upgrade with HK USC Handguards and HK UMP Triggers, and experience the difference in quality and craftsmanship.

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  • HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
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    HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount

    JMAC Customs

    $116.95
    1/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...
    HKP-22408
    $116.95
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    $116.95
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  • Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S
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    Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22340-M
    $239.95
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    $239.95
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  • On Sale
    New - HKP HK UMP (.40 S&W) 30 Round Magazine Housing ONLY - BLEMISHED - HKP-17583-BL-B HK UMP Housing - .40 S&W - 30 Round - Magazine Housing ONLY - BLEMISHED
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    HK UMP Housing - .40 S&W - 30 Round - Magazine Housing ONLY - BLEMISHED

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP HK Parts HK UMP (.40 S&W) 30 Round Magazine Housing ONLY - BLEMISHED Priced for ONE Magazine Housing ONLY - Condition Varies by Unit - Each unit Sold INDIVIDUALLY ONLY 2 UNITS AVAILABLE - AS PICTURED MAGAZINE BODY ONLY COSMETICALLY BLEMISHED...
    HKP-17583-BL-B
    Now: $29.95
    Was: $49.95
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    Now: $29.95
    Was: $49.95
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  • Out Of Stock
    New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug - HKP-18511 HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug - US

    HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug - US

    HKP HK Parts

    $399.95
    HKP H&K UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 RH and 3-Lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Overall Length...
    HKP-18511
    $399.95
    Out Of Stock
    Qty in Cart: 0
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    $399.95
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  • Out Of Stock
    New - H&K USC (.45 ACP) Magazine Locking Plate Insert - HKP-16384 HK USC Magazine Locking Plate Insert - .45 ACP

    HK USC Magazine Locking Plate Insert - .45 ACP

    H&K Heckler & Koch

    $8.95
    H&K USC (.45 ACP) Magazine Locking Plate Insert
    HKP-16384
    $8.95
    Out Of Stock
    Qty in Cart: 0
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    $8.95
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  • Used - H&K USC (.45 ACP) Incomplete Trigger Housing - Used - HKP-16479 HK USC (.45 ACP) Incomplete Trigger Housing - Used
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    HK USC (.45 ACP) Incomplete Trigger Housing - Used

    H&K Heckler & Koch

    $73.95
    H&K USC (.45 ACP) Incomplete Trigger Housing - Used Used HK German USC Lower Receiver Empty. German HK, perfect for spare parts.
    HKP-16479
    $73.95
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    $73.95
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  • QD Offset Adapter 4mm Compatible with Surefire G2 QD Offset Adapter 4mm Compatible with Surefire G2
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    QD Offset Adapter 4mm Compatible with Surefire G2

    B&T Brugger & Thomet

    $28.95
    B&T QD Offset Adapter 4mm compatible with Surefire G2Secure your Surefire G2 weapon light to any Picatinny rail section on your firearm with this quick detach, light-weight mount from B&T. Compatible with: All firearms equipped with a Picatinny...
    HKP-99445
    $28.95
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    $28.95
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  • On Sale
    HK UMP .40 Semi-Auto Bolt Group - Complete - BLEMISHED HK UMP .40 Semi-Auto Bolt Group - Complete - BLEMISHED
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    HK UMP .40 Semi-Auto Bolt Group - Complete - BLEMISHED

    Now: $387.95
    Was: $649.95
    HK UMP .40 Semi-Auto Bolt Group - Complete - BLEMISHED ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. MM’s UMP tungsten...
    HKP-20626-B
    Now: $387.95
    Was: $649.95
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    Now: $387.95
    Was: $649.95
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  • On Sale
    HK G36, UMP Handguard Handstop - BLEMISHED HK G36, UMP Handguard Handstop - BLEMISHED
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    HK G36, UMP Handguard Handstop - BLEMISHED

    OMEGA

    Now: $21.95
    Was: $29.95
    HK G36, UMP Handguard Handstop - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK G36 hand stop kit. Complete with locking block and screw. Fits any...
    HKP-22512-B
    Now: $21.95
    Was: $29.95
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    Now: $21.95
    Was: $29.95
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  • On Sale
    HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED
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    HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED

    H&K Heckler & Koch

    Now: $729.95
    Was: $949.95
    Heckler and Koch HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Complete factory HK bolt group for semi-automatic UMP firearms chambered in .40 S&W. Intended for replacement,...
    HKP-99388
    Now: $729.95
    Was: $949.95
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    Now: $729.95
    Was: $949.95
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  • On Sale
    HK USC Carbine Operators Manual - .45 ACP - BLEMISHED HK USC Carbine Operators Manual - .45 ACP - BLEMISHED
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    HK USC Carbine Operators Manual - .45 ACP - BLEMISHED

    H&K Heckler & Koch

    Now: $34.95
    Was: $49.95
    Heckler and Kock HK USC Carbine .45 ACP Operators Manual ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Original...
    HKP-99370
    Now: $34.95
    Was: $49.95
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    Now: $34.95
    Was: $49.95
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  • On Sale
    HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED
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    HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED

    OMEGA

    Now: $345.95
    Was: $449.95
    HK UMP9 Barrel - Threaded 1/2x28 - 3-Lug 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory-style barrel for HK UMP9 pattern...
    HKP-99367
    Now: $345.95
    Was: $449.95
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    Now: $345.95
    Was: $449.95
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