Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK45, HK45 Compact, HK USP, USP Compact LEM Cocking Piece
H&K Heckler & Koch
$69.95HK USP/USPC/45/45C LEM Cocking Piece Compatible With All The Following LEM Models: USP Full Size USP Compacts HK45C HK45HKP-02509$69.95 -
$7.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended
H&K Heckler & Koch
$9.95Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$9.95 -
HK MP5 Release Lever - A3 Retractable Buttstock
H&K Heckler & Koch
$19.95HK MP5 A3 Retractable Buttstock Release Lever For use with the newer Navy or F style A3 retractable MP5 stocks. Not for use on the older 1st generation metal levered MP5 stocks. This lever is much easier to break than the older style and a must have item...HKP-16404$19.95 -
On Sale
HK Handguard Sling Pin - Ambi - Small - USED
H&K Heckler & Koch
Now: $42.95Was: $61.95HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...HKP-00077-USEDNow: $42.95Was: $61.95 -
HK416, HK417, MR556, MR762 Cylindrical Head Screw
H&K Heckler & Koch
$19.95Heckler and Koch Cylindrical Screw for MR762, HK417, MR556, HK416 Factory replacement cylindrical lens-head Allen screw for maintaining or repairing your HK417 and MR556 rifles with original-spec hardware. Compatible With: HK417, MR762 HK416, MR556HKP-22433$19.95 -
On Sale
HK MP5, HK90 Series Hammer Strut - USED
H&K Heckler & Koch
Now: $5.21Was: $9.95HK MP5, G3, 91, PTR, 93, 33, HK94 Hammer Strut - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German Hammer Strut for 90 series rifles and pistols. A perfect...HKP-15445-USEDNow: $5.21Was: $9.95 -
On Sale
HK 90 Series Locking Roller for Bolt Head - 7.96mm
MKE
Now: $22.95Was: $28.95MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...HKP-22238Now: $22.95Was: $28.95 -
HK91, G3, HK91, HK33, HK53, HK93 Paddle Mag Release - Anti-Rattle - USED
H&K Heckler & Koch
$42.95H&K G3/91/93/53/33 Anti-Rattle Mag Release - USED This is a used German anti-rattle paddle mag release for installation on all H&K .223 and .308 rifles. Compatible With: HK G3/91 HK 51 HK 93/53/33 HK PSG-1 HK MSG-90 PTR91 Clones and other custom...HKP-22061$42.95 -
HK417, MR762A4 Magazine Catch
H&K Heckler & Koch
$99.95H&K MR762 A4/417 Magazine Catch German-made magazine catch for MR762 A4 and HK417. Compatible With: HK MR762 A1/A4 HK417HKP-21961$99.95 -
Out Of Stock
B&T APC9 Selector Position Lock Spring
B&T Brugger & Thomet
$4.95B&T APC9 Selector Position Lock Spring Compatible With: APC Series Standard receiver Glock receiver Sig receiverHKP-21764$4.95 -
Out Of Stock
$8.95