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 G36, SL8 Firing Pin - All Variants
H&K Heckler & Koch
$59.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289$59.95 -
Out Of Stock
B&T 9mm Dual Mag Clamp
B&T Brugger & Thomet
$52.00B&T 9mm Dual Mag Clamp Double up on your magazines with this magazine clamp made by Brügger & Thomet. Compatible With: B&T APC9 B&T GHM9 B&T SPC9HKP-17440$52.00 -
HK416, COLT M4 Magazine Spring - .22LR - 10 Round
HKP HK Parts
$2.95HKP 10 Round HK 416/COLT M4 .22 Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Walther/Umarex 416 & Colt 10 round 22 LR...HKP-14542$2.95 -
Out Of Stock
HK416, MR556 9" Quad Rail
H&K Heckler & Koch
$419.95H&K HK 416/MR556 9" Quad Rail HK German 416, MR556 Quad Rail without mounting screw. Specifications: Length: 9 1/4" Color: charcoal gray Compatible With: HK MR556 HK 416HKP-16858$419.95 -
HK416 E1, MR556 Charging Handle - RAL8000
H&K Heckler & Koch
$169.99New RAL 8000 HK Designed HK416, MR556 Ambidextrous Charging Handle (E1). The E1 HK 416 FDE charging handle release latch has the ability of being swapped from the left side (E1) to the right sight (E2) with simple tools. HK's own design boasts a smooth...HKP-18502$169.99 -
G36E Bayonet Lug Assembly HK German
H&K Heckler & Koch
$89.95HK German Factory G36E Bayonet Lug Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions. You will need the G36 bayonet lug roll pin as it...HKP-00354$89.95 -
HK UMP, USC Stock Block B Sling Pin - Thumb Screw Style
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
HK91, G3 Bolt Head Complete - US Made
$149.95Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...HKP-00839$149.95 -
HK MP5 Bolt Catch Lever - 10mm / .40 S&W
H&K Heckler & Koch
$74.95MP5 40, MP5 10 Bolt Hold Open Lever - German HK - New A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 DillonHKP-01471$74.95 -
Out Of Stock
HK MP5 Barrel Chamber Flute Cleaning Brush - 10mm / .40 S&W
H&K Heckler & Koch
$29.95New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...HKP-00139$29.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Receiver Flat & Weldment Set
HKP HK Parts
$2,249.95HKP HK MP5SD Kit - Pistol Build - 9mm MP5SD 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts. This is the first time that these iconic kits have been...HKP-18052$2,249.95 -
Magpul RSA - Rail Sling Attachment
Magpul
$29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.HKP-02423$29.95