Rifle / SMG Parts

Rifle / SMG Parts

Elevate Your H&K Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your H&K rifle with top-notch parts and accessories. From MP5 and MP5K to SP5 and UMP/USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, SP5K, G36, or MP5 22, we have the H&K rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • Out Of Stock
    HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group

    HKP HK 91/G3 (7.62x51/.308) Complete Semi Bolt Group

    HKP HK Parts

    $339.95
    US Made HK 91/G3 Semi-Auto Bolt Group Complete - New Each bolt group is built using HK factory prints and specs here in the US. As a bonus, each bolt group counts as two US parts for US 922r compliance. Everything you need as a spare or a direct...
    HKP-01473
    $339.95
    Qty in Cart: 0
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  • HKP HK G36/SL8 (5.56/.223) Cocking Handle HKP HK G36/SL8 (5.56/.223) Cocking Handle

    HKP HK G36/SL8 (5.56/.223) Cocking Handle

    HKP HK Parts

    $49.95
    Cocking Handle For G36 & SL8 Bolt Carriers - USA New USA made charging handle ideal for a 922 replacement part. Made in the USA.
    HKP-18251
    $49.95
    Qty in Cart: 0
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  • HKP HK G36C Folding Stock - FDE HKP HK G36C Folding Stock - FDE

    HKP HK G36C Folding Stock - FDE

    HKP HK Parts

    $109.95
    Folding Stock - HK G36C HK G36C 9.5" rear stock assembly. One full inch shorter than the standard G36/G36K stock. This is the preferred stock for average height end users. Compatible With: G36 G36K G36C G36E SL8 to G36 builds Custom G36 style builds
    HKP-19299
    $109.95
    Qty in Cart: 0
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  • HKP MP5, MP5K Rear Sight Base HKP MP5, MP5K Rear Sight Base

    HKP MP5, MP5K Rear Sight Base

    HKP HK Parts

    $19.95
    MP5 & MP5K Rear Sight Base- Weldment The only factory-correct sight base with the factory HK German side axis grooves.  Compatible With: HK MP5, 94 HK MP5K, SP89 HK MP5 40, MP5 10 Clone or other custom builds
    HKP-02450
    $19.95
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  • HKP Picatinny Rail Mount for Front Sight Tower - Red HKP Picatinny Rail Mount for Front Sight Tower - Red

    HKP Picatinny Rail Mount for Front Sight Tower - Red

    $39.95
    HKP Picatinny Rail Mount for Front Sight Tower - Red HK Picatinny rail mount that replaces the forearm (small) push pin and mounts to the side of the front sight tower and allows you to add sling swivels, lasers, lights & accessories. This add on is...
    HKP-20800
    $39.95
    Qty in Cart: 0
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  • HKP Single Point Sling - ACU Digital Camo HKP Single Point Sling - ACU Digital Camo

    HKP Single Point Sling - ACU Digital Camo

    HKP HK Parts

    $29.95
    HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...
    HKP-15041
    $29.95
    Qty in Cart: 0
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  • On Sale
    Magpul M-LOK Bipod Mount

    Magpul M-LOK Bipod Mount

    Magpul

    Now: $19.95
    Was: $29.95
    Magpul M-LOK Bipod Mount The Magpul M-LOK Bipod Mount allows for the attachment of Harris®-style stud mounted bipods to M-LOK compatible hand guards and forends. The M-LOK Bipod Mount offers a low-profile, robust, and elegant mounting solution for...
    HKP-17269
    Now: $19.95
    Was: $29.95
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  • MI HK MP5 1913 End Plate Adapter MI HK MP5 1913 End Plate Adapter

    MI HK MP5 1913 End Plate Adapter

    MI Midwest Industries

    $89.95
    MI HK MP5 1913 End Plate Adapter The Midwest Industries Picatinny end plate adapter opens up your stock and brace options to a myriad of off-the-shelf possibilities. The adapter installs in the same manner as the factory end cap with a single pushpin...
    HKP-21493
    $89.95
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  • RCM MP5 & MP5K 9mm Bolt Head - Stripped RCM MP5 & MP5K 9mm Bolt Head - Stripped

    RCM MP5 & MP5K 9mm Bolt Head - Stripped

    RCM

    $169.95
    HK MP5, MP5K 9mm Bolt Head Incomplete/Stripped MP5, MP5K 9mm New "action 3 style" made to the same specs & tolerances as the latest HK German bolt heads.Compatible with all: HK MP5,94 HK MP5K, SP89 HK clones or custom builds Perfect for upgrading...
    HKP-02556
    $169.95
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  • SB Tactical HK MP5K Folding Brace Adapter - Black SB Tactical HK MP5K Folding Brace Adapter - Black

    SB Tactical HK MP5K Folding Brace Adapter - Black

    SB Tactical, HKP HK Parts

    $79.99
    SB Tactical Adapter for Folding Pistol Brace Factory SB Tactical adapter for folding pistol brace. Aluminum with hard coat anodize for the ultimate finish.  Features: Seamless styling adds elegance & operator utility Quick and easy H buffer...
    HKP-21413
    $79.99
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  • On Sale
    TPM Ruger Bolt Handle Replacement TPM Ruger Bolt Handle Replacement

    TPM Ruger Bolt Handle Replacement

    Tactical Precision MFG

    Now: $49.95
    Was: $69.99
    TPM Ruger Bolt Handle Replacement Ruger Precision rifle and Ruger American rifle upgraded bolt handle is 17-4 stainless steel for optimal strength and durability. This upgraded bolt handle was designed with a 20-degree angle to help improve bolt...
    HKP-20907
    Now: $49.95
    Was: $69.99
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  • .40 S&W Barrel Bore Cleaning Brush

    .40 S&W Barrel Bore Cleaning Brush

    USA

    $1.95
    .40 S&W Barrel Bore Cleaning 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...
    HKP-02759
    $1.95
    Qty in Cart: 0
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  • B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent

    B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent

    B&T Brugger & Thomet

    $49.95
    B&T 15 Round TP9/MP9/APC 9mm Magazine - Translucent Swiss B&T manufactured 15 round magazine for the 9mm TP9, MP9 & APC. Specifications: 15-round capacity 9mm Made of high strength polymer Compatible With: MP9 TP9 APC9 GHM9
    HKP-17437
    $49.95
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  • B&T HK 93/33 (5.56/.223) Tri-Rail Handguard B&T HK 93/33 (5.56/.223) Tri-Rail Handguard

    B&T HK 93/33 (5.56/.223) Tri-Rail Handguard

    B&T Brugger & Thomet

    $369.95
    B&T Handguard 3x NAR for HK 93, 33 with Detachable Side Rails Specifications: Color: Black Height max: 48.8 mm Length max: 243.5 mm Length of right rail: 97 mm Length of left rail: 97 mm Length of bottom rail: 243.5 mm Material: Aluminum NATO...
    HKP-16868
    $369.95
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  • Out Of Stock
    On Sale
    B&T TL99 Handguard - Used B&T TL99 Handguard - Used

    B&T TL99 Handguard - Used

    B&T Brugger & Thomet

    Now: $49.95
    Was: $69.95
    B&T model TL99 handguard for HK MP5, 94 models - Used without ASP Light
    HKP-19788
    Now: $49.95
    Was: $69.95
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  • B&T TP9/MP9 Survival Set Spare Parts Kit B&T TP9/MP9 Survival Set Spare Parts Kit

    B&T TP9/MP9 Survival Set Spare Parts Kit

    B&T Brugger & Thomet

    $329.95
    B&T BT TP9, BT MP9 Survival Set Spare Parts Kit This is must have spare parts kit for those high mileage parts. Includes: Firing pin (BT-30113) Locking pin (BT-30127) Buffer (BT-30134) Connector (BT-30155) Guide rod (BT-30156) Extractor plunger...
    HKP-17301
    $329.95
    Qty in Cart: 0
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  • Bore Boss Pull-Through Bore Cleaner - .40/.41 Bore Boss Pull-Through Bore Cleaner - .40/.41

    Bore Boss Pull-Through Bore Cleaner - .40/.41

    Bore Boss

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - .40/.41 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...
    HKP-19411
    $10.95
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  • Out Of Stock
    H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels

    H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels

    H&K Heckler & Koch

    $29.95
    H&K (5.56/.223) & (7.62x51/.308) Rifle Blank Firing Adapter- HK Barrels German blank firing adapter used from the German military. Best quality & price in the country by the best makers of US made HK components available anywhere. Compare...
    HKP-15593
    $29.95
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  • H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Red Floor Plate H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Red Floor Plate

    H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Red Floor Plate

    H&K / HK Parts

    $79.95
    H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - Red Floor Plate 10 Round German Steel 308 Magazine with red US made floorplate (Counts as one US made Part for 922r compliance) for HK Rifles. This magazine is made by Heckler and Koch &...
    HKP-18793
    $79.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K G36 (5.56/.223) 30 Round Magazine - FDE H&K G36 (5.56/.223) 30 Round Magazine - FDE

    H&K G36 (5.56/.223) 30 Round Magazine - FDE

    H&K Heckler & Koch

    $64.95
    HK German G36 30 Round Magazine New HK German 30 round magazine fits all G36, G36K, G36C variants & converted SL8's with the G36 magwell. New Heckler & Koch German mag. Factory fresh latest HK manufacture. Compatible With: G36, G36K, G36C SL8...
    HKP-18595
    $64.95
    Qty in Cart: 0
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    $64.95
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  • H&K HK 416 Flip Up Rear Sight- 3mm H&K HK 416 Flip Up Rear Sight- 3mm

    H&K HK 416 Flip Up Rear Sight- 3mm

    H&K Heckler & Koch

    $299.95
    HK 416, MR556 & 417 Flip Up Rear Sight (Diopter 3mm Sight) Attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick & easy push...
    HKP-01405
    $299.95
    Qty in Cart: 0
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  • H&K HK G3 Standard Stock Buttpad - OD Green - Like New H&K HK G3 Standard Stock Buttpad - OD Green - Like New

    H&K HK G3 Standard Stock Buttpad - OD Green - Like New

    H&K Heckler & Koch

    $11.95
    H&K Standard Stock Buttpad - OD Green - Like New This HK German-manufactured stock buttpad in dark OD green is the ultimate replacement for your worn-out or broken buttpad on your G3 A2 fixed stock. Handpicked to ensure the highest quality part...
    HKP-21479
    $11.95
    Qty in Cart: 0
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  • H&K HK G36 Incomplete Single Optic Carrying Handle H&K HK G36 Incomplete Single Optic Carrying Handle

    H&K HK G36 Incomplete Single Optic Carrying Handle

    H&K Heckler & Koch

    $149.95
    HK G36, SL8 Single Optic Carrying Handle Incomplete The optic housing- no optic included.
    HKP-16379
    $149.95
    Qty in Cart: 0
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    $149.95
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  • H&K HK MR556, HK 416 9" M-LOK Handguard - Black H&K HK MR556, HK 416 9" M-LOK Handguard - Black

    H&K HK MR556, HK 416 9" M-LOK Handguard - Black

    H&K Heckler & Koch

    $399.95
    Handguard - 9" - Black - M-LOK - HK MR556, HK 416 New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured. 
    HKP-19670
    $399.95
    Qty in Cart: 0
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  • H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring

    H&K HK MR556/MR762/416/417 Forward Assist Plunger Spring

    H&K Heckler & Koch

    $9.95
    Forward Assist Plunger Spring For MR556, HK416, HK417 & MR762 New HK German manufacture. Compatible With: HK MR556 HK 416 MR762 HK 417 HK G28 HK M27
    HKP-02537
    $9.95
    Qty in Cart: 0
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    $9.95
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  • H&K HK MR762 M-LOK 14.7" Handguard - Black H&K HK MR762 M-LOK 14.7" Handguard - Black

    H&K HK MR762 M-LOK 14.7" Handguard - Black

    H&K Heckler & Koch

    $274.95
    Handguard - M-LOK - Black - 14.7 - HK MR762 - Black 14.7" long featuring a flat top Picatinny Rail and M-LOK attachment points.
    HKP-19775
    $274.95
    Qty in Cart: 0
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  • H&K HK MR762 Magazine Catch H&K HK MR762 Magazine Catch

    H&K HK MR762 Magazine Catch

    H&K Heckler & Koch

    $49.95
    HK MR762, HK 417 Magazine Catch This is the actual mag catch for the MR762 and HK 417 family of firearms. A great spare to have on hand.
    HKP-16681
    $49.95
    Qty in Cart: 0
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  • H&K HK MR762/417/G28 Ambi Sling Adapter w/ Sling Loop H&K HK MR762/417/G28 Ambi Sling Adapter w/ Sling Loop

    H&K HK MR762/417/G28 Ambi Sling Adapter w/ Sling Loop

    H&K Heckler & Koch

    $129.95
    MR762, HK417 & G28 Ambidextrous Sling Adapter With Sling Loop HK German manufactured MR762, MR308 & HK 417 Sling Adapter Backplate with HK Sling Loop. This backplate has ambidextrous sling attachment points for both the left and right side of the...
    HKP-17686
    $129.95
    Qty in Cart: 0
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    $129.95
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  • H&K MP5 40/10 -2 Roller H&K MP5 40/10 -2 Roller

    H&K MP5 40/10 -2 Roller

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -2 roller Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for...
    HKP-00336
    $19.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K MP5K 9mm SEF Contoured Trigger Group - Push Pin - F/A H&K MP5K 9mm SEF Contoured Trigger Group - Push Pin - F/A

    H&K MP5K 9mm SEF Contoured Trigger Group - Push Pin - F/A

    H&K Heckler & Koch

    $0.00
    HK German MP5K SEF Trigger Group SEF Marked. The trigger housing has contoured finger grooves for ultimate comfort. This is a factory push pin full-auto trigger pack assembly setup for 9mm MP5K or PDW sub guns. Assembled from a factory German HK using a...
    HKP-01513
    $0.00
    Qty in Cart: 0
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  • H&K SP5K 9mm Semi Auto Bolt Carrier H&K SP5K 9mm Semi Auto Bolt Carrier

    H&K SP5K 9mm Semi Auto Bolt Carrier

    H&K Heckler & Koch

    $369.95
    HK German SP5K Semi Auto Bolt Carrier New HK SP5K bolt carrier complete. Made in Germany. Compatible With: SP5K Will also work as a semi auto only carrier in all MP5K semi builds
    HKP-18207
    $369.95
    Qty in Cart: 0
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  • Out Of Stock
    H&K Trigger Pack Ejector Lever Axle H&K Trigger Pack Ejector Lever Axle

    H&K Trigger Pack Ejector Lever Axle

    H&K Heckler & Koch

    $0.00
    HK German ejector lever axle pin for all HK trigger packsThis is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. Each is current...
    HKP-01091
    $0.00
    Qty in Cart: 0
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    $0.00
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  • H&K UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin

    H&K UMP (.40 S&W/.45 ACP/9mm) Firing Pin Retainer Pin

    H&K Heckler & Koch

    $7.95
    HK UMP Firing Pin - Retainter Pin   This is the pin that trips the trip lever on the UMP lower.   Compatible With: HK UMP  
    HKP-01894
    $7.95
    Qty in Cart: 0
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    $7.95
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  • HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin

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

    HDPS

    $39.95
    HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B - Push Pin This sling pin will replace the current production stock Block B hardware and upgrade to the Sling Pin Pull Style version.
    HKP-16339
    $39.95
    Qty in Cart: 0
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    $39.95
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  • HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH

    HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH

    HDPS

    $137.95
    HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...
    HKP-02579
    $137.95
    Qty in Cart: 0
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    $137.95
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  • HK G36C Forearm w/ Tri Rail Set Included HK G36C Forearm w/ Tri Rail Set Included

    HK G36C Forearm w/ Tri Rail Set Included

    H&K Heckler & Koch

    $199.95
    HK G36C Tri-Rail ForearmNew HK German Factory G36C Forearm with both left & right side rails, bottom rail, and hand stop included. This new style forearm also comes with the heat shield installed. Forearm is made in Germany. HK G36C SL8 to G36...
    HKP-00618
    $199.95
    Qty in Cart: 0
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    $199.95
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  • Out Of Stock
    HK UMP (.45 ACP) Bolt Group HK UMP (.45 ACP) Bolt Group

    HK UMP (.45 ACP) Bolt Group

    $369.95
    HK UMP .45 Tungsten Filled Semi Auto Bolt Group Complete. The semi auto bolt group is required for HK USC to HK UMP caliber conversions. Comes complete less the recoil assembly. Specifications: Tungsten filled Heat treated Parkerized
    HKP-18751
    $369.95
    Qty in Cart: 0
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    $369.95
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  • HK45 .45 ACP Thread Protector - Threaded .578x28 RH HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    HK45 .45 ACP Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. A must have item to protect your threaded barrels, exposed threads, and your pistol. Made from...
    HKP-19891
    $24.95
    Qty in Cart: 0
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    $24.95
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