HK UMP/USC Series

HK 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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  • H&K Receiver & Magazine Cleaning Brush For All HK's

    H&K Receiver & Magazine Cleaning Brush For All HK's

    H&K Heckler & Koch

    $24.95
    HK Receiver & Magazine Cleaning Brush For All HK's Fits all standard 8-32 US thread cleaning rods. Made and designed for cleaning the HK magazines as well as the upper and lower receivers and mag wells. Works with HK and non-HK applications alike.
    HKP-00141
    $24.95
    Qty in Cart: 0
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  • HK German Vertical Grip - Black

    HK German Vertical Grip - Black

    H&K Heckler & Koch

    $99.95
    HK German Vertical Grip - Black Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in the grip and requires no tools for...
    HKP-00034
    $99.95
    Qty in Cart: 0
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  • Safariland Silicone Gun & Reel Cloth Safariland Silicone Gun & Reel Cloth

    Safariland Silicone Gun & Reel Cloth

    Safariland

    $3.95
    Safariland Silicone Gun & Reel Cloth Silicone gun cloth for all HK firearms to preserve and protect your firearms finish. Will also work for any firearm, magazine or part. A great way to protect your collectibles.
    HKP-17630
    $3.95
    Qty in Cart: 0
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  • HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH

    HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vented Micro Comp - Threaded 16x1 LH The HK Parts micro comp & thread protector is designed to be lightweight, and functional as both a compensator and thread protector.  The HK Parts micro comp easily attaches to the end of any...
    HKP-20211
    $29.95
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  • HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH

    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vented Micro Comp - Threaded .578x28 RH The HK Parts Micro Comp & Thread Protector is a lightweight, dual-purpose accessory that functions as both a compensator and thread protector. It easily attaches to any factory-spec .578x28 RH .45...
    HKP-20213
    $29.95
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  • HK Contract 3 Point Sling - Black HK Contract 3 Point Sling - Black

    HK Contract 3 Point Sling - Black

    H&K Heckler & Koch

    $52.95
    HK Contract 3 Point Sling - Black German military surplus 3 point HK sling in like new condition. These slings are completely operational and a great value for the money. This is the best valued HK 3 point sling available on the market.
    HKP-19186
    $52.95
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  • HKP .45 ACP Thread Protector - Threaded 16x1 LH HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP .45 ACP Thread Protector - Threaded 16x1 LH

    HKP

    $14.95
    HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...
    HKP-19669
    $14.95
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  • Out Of Stock
    H&K 9mm Barrel Flute Cleaning Brush

    H&K 9mm Barrel Flute Cleaning Brush

    H&K Heckler & Koch

    $0.00
    H&K 9mm Barrel Flute Cleaning Brush This HK-manufactured brush is a must-have for the proper care of your HK 9mm Rifle/Pistol, as the flutes need to be clean and free of carbon for proper function. A...
    HKP-00138
    $0.00
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  • HKP HK UMP .45 -  Magazine Compliance Kit

    HKP HK UMP .45 - Magazine Compliance Kit

    HKP HK Parts

    $19.95
    US-Made UMP .45 Compliant Magazine Kit For All UMP .45 Magazines This kit is a drop-in replacement set that will give you two US-compliant parts towards 922r compliance. Made from high-impact polymer, just like the factory HK parts. The US parts kit...
    HKP-01167
    $19.95
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  • HKP 30 Round HK UMP 10mm Magazine - Black HKP 30 Round HK UMP 10mm Magazine - Black

    HKP 30 Round HK UMP 10mm Magazine - Black

    HKP HK Parts

    $139.95
    UMP, SMG - 30 Round Magazine - USA - 10mm Each 30 round magazine will fit the HK UMP 10mm caliber carbines, SMG's as well as the USC-UMP .40  to 10mm caliber conversions. Each magazine features, steel feed lips, enhanced polymer construction and all...
    HKP-19474
    $139.95
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  • HKP Single Point Sling - OD Green HKP Single Point Sling - OD Green

    HKP Single Point Sling - OD Green

    HKP HK Parts

    $29.95
    HKP Single Point Sling - OD Green This high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point HK sling. Features: Super thick all OD Green heavy-duty Cordura nylon to withstand years of...
    HKP-09057
    $29.95
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  • HKP HK UMP (.40 S&W/.45 ACP/9mm) Lower Locking Pin

    HKP HK UMP (.40 S&W/.45 ACP/9mm) Lower Locking Pin

    HKP HK Parts

    $12.95
    HK UMP Lower Locking Pin, Push Pin  For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver.  Compatible With: UMP USC Conversions TBT builds Omega Other builds that...
    HKP-18580
    $12.95
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  • Bore Boss Pull-Through Bore Cleaner - 9mm MP5, SP5K Bore Boss Pull-Through Bore Cleaner - 9mm MP5, SP5K

    Bore Boss Pull-Through Bore Cleaner - 9mm MP5, SP5K

    Bore Boss

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - 9mm From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece cable with...
    HKP-19398
    $10.95
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  • Magpul M-LOK 5 Slot Rail Section Magpul M-LOK 5 Slot Rail Section

    Magpul M-LOK 5 Slot Rail Section

    Magpul

    $18.95
    Magpul M-LOK 5 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...
    HKP-19568
    $18.95
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  • AIM (.45 ACP) Laser Bore Sighter AIM (.45 ACP) Laser Bore Sighter

    AIM (.45 ACP) Laser Bore Sighter

    AIM

    $19.95
    AIM (.45 ACP) Laser Bore Sighter Red Laser Bore Sight-.45 Laser bore sight system. Each unit comes complete with batteries (4)and instructions for operation. Easy to use and priced so that every shooter can have one for each caliber of firearm that they...
    HKP-16217
    $19.95
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  • Kaw Valley Precision Mach 3 Modular Linear Comp Body Kaw Valley Precision Mach 3 Modular Linear Comp Body

    Kaw Valley Precision Mach 3 Modular Linear Comp Body

    Kaw Valley Precision

    $49.95
    Kaw Valley Precision Mach 3 Modular Linear Comp Body   The KVP MACH Modular Linear Comp is a patent pending linear compensator system that is completely user configurable! If you've struggled to find a comp the correct length for the perfect "tuck,"...
    HKP-19984
    $49.95
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Stock Axle Pin

    H&K Heckler & Koch

    $30.95
    HK German UMP Rear Stock Axle Pin This is the HK factory German rear stock pin that allows you to attach the stock to either the factory receiver of a UMP or for those that are doing the USC to UMP conversion. This is required to attach the stock to the...
    HKP-00604
    $30.95
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  • H&K 9mm / .357 SIG Barrel Bore Brush

    H&K 9mm / .357 SIG Barrel Bore Brush

    H&K Heckler & Koch

    $1.95
    HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...
    HKP-02760
    $1.95
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  • HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY

    HK UMP (.45 ACP) 25 Round Magazine Body - BODY ONLY

    $34.95
    UMP 45 25 Round Magazine Body Only - USA Made New US made UMP .45 cal 25 Round Factory Mag Body. Each magazine body will fit all HK UMP factory firearms as well as the HK USC's that have been converted to accept UMP magazines. Each magazine is made in...
    HKP-17020
    $34.95
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  • Elite Tactical Systems Universal C.A.M. Loader For Rifles Elite Tactical Systems Universal C.A.M. Loader For Rifles

    Elite Tactical Systems Universal C.A.M. Loader For Rifles

    Elite Tactical Systems

    $29.99
    Elite Tactical Systems Universal C.A.M. Loader For Rifles The first truly universal loader for rifle magazines. A must-have for every rifle owner. Doesn't damage feed lips. Saves time and energy, easy on your thumbs. Features: Loader easily picks up...
    HKP-18741
    $29.99
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  • H&K Universal Gun Cleaning Wick Set - 8 Piece Set H&K Universal Gun Cleaning Wick Set - 8 Piece Set

    H&K Universal Gun Cleaning Wick Set - 8 Piece Set

    H&K Heckler & Koch

    $1.95
    Original German Army Issue HK91/G3/PTR Cleaning Kit Wick - Set of 8 Originally issued for the G3,91 & MG3 firearms but will work on pretty much any and all rifles & pistols. Each set comes with 8 BRAND NEW German manufactured cleaning wicks. Each...
    HKP-17646
    $1.95
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  • Outers 9mm Bore Cleaner Outers 9mm Bore Cleaner

    Outers 9mm Bore Cleaner

    $7.95
    Outers 9mm Bore Cleaner .357/.38   Manufactured by the makers of the original BoreSnake and will work with all 9mm pistol and rifles. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting...
    HKP-19922
    $7.95
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  • HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block - B Pin Style HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block - B Pin Style

    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block - B Pin Style

    HDPS

    $209.95
    New Latest Production HDPS HK USC/UMP Stock Block -B Pin Style For use with all HK UMP factory or US-made folding stocks. Each unit comes with a new push-pin design. This is a required part of the HK USC-UMP style conversion. Each part is the latest...
    HKP-00773
    $209.95
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  • HKP HK UMP (.40 S&W/.45 ACP/9mm) Armorer Manual

    HKP HK UMP (.40 S&W/.45 ACP/9mm) Armorer Manual

    HKP HK Parts

    $19.95
    HK UMP Armorer Manual This is the most in-depth manual available for the UMP series and covers the UMP 45, 40, & 9mm calibers. It has 64 Pages with diagrams and in-depth coverage of the history and full mechanical diagrams of the UMP firearm.
    HKP-00612
    $19.95
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  • H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail

    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail

    H&K Heckler & Koch

    $67.95
    HK Factory German USC/UMP Side Or Bottom Rail W/ Screws Up to three sides can be used - two for the sides and one for the bottom. Best quality and price available anywhere. Made from hard coat anodized aluminum. Please Note: White lettering on rails may...
    HKP-00597
    $67.95
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  • On Sale
    HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED

    HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The extended length allows...
    HKP-14541-B
    Now: $29.95
    Was: $49.95
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    Now: $29.95
    Was: $49.95
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  • Magpul M-LOK Rail Section - 3 Slots Magpul M-LOK Rail Section - 3 Slots

    Magpul M-LOK Rail Section - 3 Slots

    Magpul

    $10.95
    Magpul M-LOK Rail Section - 3 Slots Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc...
    HKP-20661
    $10.95
    Qty in Cart: 0
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    $10.95
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  • H&K UMP/USC (.45 ACP)  Magazine Loader H&K UMP/USC (.45 ACP)  Magazine Loader

    H&K UMP/USC (.45 ACP) Magazine Loader

    H&K Heckler & Koch

    $49.95
    HK German Factory USC & UMP .45 Magazine Loader Fits all HK German UMP .45 25-round magazines as well as the USC 10-round factory magazines. A great addition for your range time and to avoid those sore thumbs. Compatible With: German HK UMP .45...
    HKP-00606
    $49.95
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  • Safariland Break Free CLP Safariland Break Free CLP

    Safariland Break Free CLP

    Safariland

    $4.95
    Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...
    HKP-15435
    $4.95
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  • HDPS HK UMP/USC (.45 ACP) Flanged Barrel - 8"

    HDPS HK UMP/USC (.45 ACP) Flanged Barrel - 8"

    HDPS

    $329.95
    HDPS HK UMP 45 ACP 8 Inch Barrel - Flanged HDPS UMP barrels are perfect for the USC to UMP conversions and for a replacement UMP .45 barrel.  Each barrel is an exact reproduction with all HK German specs. As a bonus, this item counts as 1 of the 3...
    HKP-02130
    $329.95
    Qty in Cart: 0
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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 Combo A 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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  • SB Tactical HK UMP Omega / APC Folding Brace - Black SB Tactical HK UMP Omega / APC Folding Brace - Black

    SB Tactical HK UMP Omega / APC Folding Brace - Black

    SB Tactical

    $79.95
    SB Tactical HK UMP Omega / APC Folding Brace - Black SB tactical folding brace for the HK UMP, Omega UMP & B&T APC offerings. This is a brand new offering that was made for the new release of the Omega UMP pistol offerings now hitting the market...
    HKP-18258
    $79.95
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  • B&T APC, HK UMP Folding Stock - Black B&T APC, HK UMP Folding Stock - Black

    B&T APC, HK UMP Folding Stock - Black

    B&T Brugger & Thomet

    $139.95
    B&T APC, HK UMP Folding Stock - Black New Swiss manufactured B&T APC & UMP Folding stock. (NFA rules apply) Compatible With: APC 9mm APC .45 APC 556 APC 300 Will also work to place the UMP stock on an UMP or USC conversion. This stock will...
    HKP-17441
    $139.95
    Qty in Cart: 0
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  • H&K German Leather Sling - Used - Excellent H&K German Leather Sling - Used - Excellent

    H&K German Leather Sling - Used - Excellent

    H&K Heckler & Koch

    $79.95
    Original  Surplus German HK Leather 2 point sling - Used- Excellent Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps and steel hardware and HK sling hook. Last of...
    HKP-20347
    $79.95
    Qty in Cart: 0
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  • HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug

    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug

    HKP HK Parts

    $399.95
    HKP HK 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 LH and 3-lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Threaded 16x1...
    HKP-18678
    $399.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K Cleaning Rod For HK Cleaning Brushes H&K Cleaning Rod For HK Cleaning Brushes

    H&K Cleaning Rod For HK Cleaning Brushes

    H&K Heckler & Koch

    $19.95
    H&K Cleaning Rod For HK Cleaning Brushes HK chamber face brush, Receiver Brush, Flute Cleaning Brush Cleaning Rod For All US Threaded cleaning Brushes (8-32 thread type). This rod is an aluminum rod that is made to clean all HK rifles and machine...
    HKP-01821
    $19.95
    Qty in Cart: 0
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  • HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws

    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws

    HDPS

    $229.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B- Eyelet Screws New latest production HDPS HK USC/UMP Stock Block type for use with all HK UMP factory or US made Folding Stocks. Each unit comes with the sling loop eyelet and thumbscrews. This is a...
    HKP-16756
    $229.95
    Qty in Cart: 0
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    $229.95
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  • Magpul Rail Light Mount M-LOK Magpul Rail Light Mount M-LOK

    Magpul Rail Light Mount M-LOK

    Magpul

    $19.95
    Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...
    HKP-20689
    $19.95
    Qty in Cart: 0
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    $19.95
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  • H&K Sling Hardware H&K Sling Hardware

    H&K Sling Hardware

    H&K Heckler & Koch

    $4.95
    HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture. 
    HKP-19367
    $4.95
    Qty in Cart: 0
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    $4.95
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  • HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH

    HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH

    HDPS

    $349.95
    HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...
    HKP-02634
    $349.95
    Qty in Cart: 0
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    $349.95
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