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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HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...HKP-21157$279.95 -
On Sale
Bolt Knob - Acorn
Tactical Precision MFG
Now: $19.95Was: $37.99TPM Acorn Bolt Knob These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24HKP-20902Now: $19.95Was: $37.99 -
On Sale
Remington 700 - 20 MOA - Scope Base Long Action
Tactical Precision MFG
Now: $35.95Was: $76.99TPM Remington 700 Scope Base Long Action 20 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 20 MOA options and will match factory...HKP-20763Now: $35.95Was: $76.99 -
Out Of Stock
HK Factory Hard Case
H&K Heckler & Koch
$0.00H&K Factory Hard Case H&K hard shell case. This is the perfect case that will guarantee to protect your most prized possessions. Only a few in stock so get them before they are all gone. Compatible With: MR762 MR556 USC SL8 rifles any rifle...HKP-20564$0.00 -
HK SL8 Adjustable Buttstock Piece - Used - Gray
H&K Heckler & Koch
$19.95HK SL8 Adjustable Buttstock Piece Gray in Color - USEDHKP-20051$19.95 -
HK417, MR762 Brass Catcher
H&K Heckler & Koch
$624.95Heckler and Koch MR762, HK417 Brass Catcher - Black Factory HK brass catcher designed to capture and contain spent casings during live fire on MR762, HK417, and G28 platforms. Mounts directly to a Picatinny rail section on the handguard for a stable,...HKP-19179$624.95 -
Out Of Stock
HK G36K Barrel - 5.56 / .223 - 12.5"
HKP HK Parts
$499.95HKP HK G36K Barrel Brand new HK G36K barrel made from 416 stainless steel and nitrided, uninstalled & unfired. The G36K barrel uses a factory German or USA spec G36K/G36C gas block. Counts as one USA made complaint part. Perfect for the SL8/G36 style...HKP-18194$499.95 -
On Sale
HK G36, G36C, G36K Picatinny Rail - Single Sided
Other
Now: $47.95Was: $69.95Single Sided Picatinny Rail - HK G36, G36C, G36K - HKP Single-sided lateral Picatinny rail designed for HK G36 sight rail configurations. Provides a mounting interface for compatible accessories on G36 pattern platforms...HKP-18429Now: $47.95Was: $69.95 -
On Sale
HK MP5K 40/10 SEF Navy Style Trigger Housing
H&K Heckler & Koch
Now: $143.96Was: $179.95H&K MP5K 40/10 SEF Navy Style Trigger Housing HK German MP5K 40/10 SEF Navy style clipped & pinned housing. New factory German housing that has the cutout for the bolt hold open found on the MP5 40/10 family of firearms. This housing is the best...HKP-20137-MNow: $143.96Was: $179.95 -
HK MP5K 9mm Semi Auto SF style Trigger Group Complete
USA
$449.95H&K MP5K 9mm Semi Auto SF style Trigger Group Complete Each unit is composed of German HK & the finest US made HK Parts. This lower is ready to drop on your semi auto HK firearm. Comes complete with the US made parts already installed, 3rd gen...HKP-19936$449.95 -
On Sale
HK UMP Demilled Extended Rear Receiver Section
H&K Heckler & Koch
Now: $845.95Was: $999.95HK German Factory UMP Receiver Section - Extended Demilled factory HK UMP rear receiver section perfect for a USC-UMP conversion. With the folding stock attachment point intact right in front of the ejection port, this extended receiver section is...HKP-19798Now: $845.95Was: $999.95 -
On Sale
AK Binary Trigger - Curved - BFSIII - 9mm
FA Franklin Armory
Now: $485.99Was: $534.95Franklin Armory BFSIII® AK-C1 for the AK Platform - 9mm The Binary Firing System GEN 3 (BFSIII) is a 3-position trigger. In position 3 it fires one round on pull and one round on release, making this trigger ideal for both tactical and competition...HKP-19730Now: $485.99Was: $534.95