HK Rifle / SMG Parts
Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!
Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK 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, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.
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HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
RCM
$234.95RCM HK33K (5.56/.223) Barrel - Threaded 15x1 Enhance your HK33K with the RCM 12.7" barrel, crafted from cold hammer-forged steel. The nitride finish provides exceptional corrosion and wear resistance, and the fully fluted chamber meets stringent HK...HKP-02319$234.95 -
HK MP5K Parts Kit - 9mm - Pistol Build
HKP HK Parts
$1,889.95MP5K, MP5K-N Style Pistol Build Kit Complete The finest USA and German-made parts for a complete parts kit for an MP5K, MP5K-N pistol build. Each Kit Includes The Following HK Parts: Barrel - 5.5" button rifled, 3-lugged & threaded 1/2x28 with...HKP-02604$1,889.95 -
HK MP5K, SP89, SP5K Cocking Tube Support - 9mm - Complete
H&K Heckler & Koch
$123.99HK German MP5K, SP89, & SP5K Cocking Tube Support Complete - New Each support is complete with a detent and spring installed. These can also be used to replace the plastic or cheaply made steel or aluminum clone parts found in many clones and builds...HKP-00399$123.99 -
HK MP5, MP5K Sling Attachment Weldment - Ambi - Front End
HKP HK Parts
$14.95HKP Front Sight Tower Ambi Sling Attachment Weldment Ambi sling loop that is welled and installed on all MP5F model front sight tower. A great upgrade for that custom build or for those that want to have the ability to have an ambidextrous sling loop at...HKP-17881$14.95 -
Barrel Bore Cleaning Brush - 5.56 / .223
HKP HK Parts
$1.95Bore Cleaning Brush For .223/556 CalibersHKP-03331$1.95 -
Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint T-2, H-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T2/H2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...HKP-22338-M$239.95 -
Out Of Stock
HK MP5, SP5 ACR Folding Stock With Direct Fit Adapter
F5 MFG
$229.95HK MP5/SP5 ACR Folding Stock w/Adapter Upgrade your MP5 platform with the F5-ACR Stock. Precision machined from 6061 billet aluminum for unmatched durability. Built for law enforcement, personal defense, and enthusiasts, this stock is lightweight,...HKP-22253-M$229.95 -
Carbon-Cleaner - 500 ml Aerosol
SchleTek
$32.95SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a decisive...HKP-21766$32.95 -
On Sale
HK UMP Magazine - .40 S&W - 30 Round - USED
HKP HK Parts
Now: $36.95Was: $49.95HKP HK UMP (.40 S&W) 30 Round Magazine - USED Each 30-round magazine will fit all HK UMP .40 caliber carbines, SMGs as well as the USC-UMP .40 caliber conversions. Each magazine features steel feed lips, enhanced polymer construction and all correct...HKP-17583-USEDNow: $36.95Was: $49.95 -
Blast Can - Threaded 1/2x28 - 9mm, 5.56 / .223
MI Midwest Industries
$38.95MI Blast Can 1/2x28 Thread (5.56/9mm) Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash. Constructed from 6061 aluminum, and hardcoat anodized for a lifetime of service 1/2x28 threads for 5...HKP-21535$38.95 -
On Sale
Ruger 10/22 Bolt Shroud - Bronze
Tactical Precision MFG
Now: $27.95Was: $66.99Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...HKP-20905Now: $27.95Was: $66.99 -
On Sale
Tikka T3 Bolt Handle - Upgrade
Tactical Precision MFG
Now: $34.95Was: $69.99TPM Tikka T3 Bolt Handle Upgrade Designed for exact Tikka specs. Tikka T3 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 manipulation...HKP-20901Now: $34.95Was: $69.99