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 MR762 A4 Barrel - 16.5" - Proofed
H&K Heckler & Koch
$459.95HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4HKP-22453$459.95 -
HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
JMAC Customs
$116.951/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...HKP-22408$116.95 -
HK G3, HK417, HK33, HK53, HK93 Flash Hider - 5/8x24 - Plan B Taper Mount
JMAC Customs
$116.955/8x24 - Plan B Taper Mount Flash Hider for HK G3, HK417, HK33, HK53, HK93 The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters...HKP-22412$116.95 -
Out Of Stock
HK MP5 Safety Select Catch Lever Sleeve - Ambi
H&K Heckler & Koch
$12.95HK MP5 Safety Select Catch Lever Sleeve - Ambidextrous Trigger Packs Factory replacement sleeve for the safety selector catch lever. Compatible With the Following Ambidextrous Trigger Packs: HK MP5/MP5K HK91/G3 HK93/53/33 HK23/21/11 ***Not compatible...HKP-22337$12.95 -
HK416, MR556 Barrel Flute Cleaning Brush - 5.56 / .223
HKP HK Parts
$24.95HK MR556, HK416 Cleaning Brush - Barrel Flute - 5.56 / .223 This brush is a must-have for cleaning the chamber flutes on a MR556 or HK416 firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly. An HK fluted barrel...HKP-22316$24.95 -
HK MP5 Trigger Group - AC Unity Grip - Match Trigger
HKP HK Parts
$644.85HKP HK MP5 Trigger Group with AC Unity Grip & Match Trigger The MP5 match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust metal housing and a top-tier...HKP-22250$644.85 -
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 -
HK MR556 A4 Operator's Manual
H&K Heckler & Koch
$19.95HK MR556 A4 Operator's Manual Official operator's manual for the HK MR556 A4, covering function, maintenance, and safety procedures.HKP-22176$19.95 -
On Sale
HK93, HK53, AP53 Binary Trigger Group- 3 Position Navy Engraved
H&K Hechler & Koch / FA Franklin Armory
$899.95 - $989.95Franklin Armory/H&K 53/93 & AP53 Binary Trigger Group- 3 Position Navy Engraved US-made binary trigger group installed in a German Navy-style polymer housing. Features a 3-position selector with 0,1,F pictogram markings. All three positions align...HKP-22170-M$899.95 - $989.95 -
On Sale
HK91, G3 Caliber Conversion Kit - .22LR - BLEMISHED
H&K Heckler & Koch
Now: $545.95Was: $945.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - BLEMISHED THESE KITS INCLUDE A BENT BARREL AND ONE MAGAZINE. BLEMISHED PARTS ARE SOLD AS IS. THIS KIT IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Convert any HK91 or HK...HKP-01147-BNow: $545.95Was: $945.95 -
Out Of StockOn Sale
HK MP5 Optic Mount - Raised Aimpoint ACRO - BLEMISHED
HKP HK Parts
Now: $89.95Was: $134.95HKP HK MP5 Raised Aimpoint ACRO Optic Mount - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK Parts brings you one of the...HKP-21666-BNow: $89.95Was: $134.95 -
On Sale
HK91, G3 Tactical Handguard - Low Profile - BLEMISHED
PTR
Now: $39.95Was: $99.95PTR HK 91/G3 (7.62x51/.308) Tactical Forearm - Low Profile - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Made from aircraft-grade aluminum,...HKP-21806-BNow: $39.95Was: $99.95