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.
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Out Of Stock
HK USC Magazine Locking Plate Insert - .45 ACP
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) Magazine Locking Plate InsertHKP-16384$8.95 -
Out Of Stock
HK Locking Roller -4 , 7.96mm
HKP HK Parts
$8.957.96mm - Undersized -4 Roller For HK Roller Lock Bolt HeadHK spec under-sized roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to...HKP-17558$8.95 -
On Sale
HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED
H&K Heckler & Koch
Now: $68.95Was: $99.95HK21 Barrel Handle with Insert -7.62x51, .308, 5.56, .223 - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German upgrade for HK21 barrel handles Compatible With: HK21 THIS CLOSEOUT PART IS...HKP-99431Now: $68.95Was: $99.95 -
On Sale
HK USP V5, V6, V7 Complete Bobbed Hammer - USED
H&K Heckler & Koch
Now: $39.95Was: $59.95HK USP V5, V6, V7 Complete Bobbed Hammer - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Compatible With: HK USP 9mm HK USP 40HKP-01934-USEDNow: $39.95Was: $59.95 -
On Sale
HK33, HK53, HK93 Extractor - USED
H&K Heckler & Koch
Now: $48.95Was: $67.95HK33, HK53, HK93 Extractor - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. A great replacement for your HK or clone. A high wear item that can become worn,...HKP-00189-USEDNow: $48.95Was: $67.95 -
On Sale
HK VP9, VP9SK, VP40 Insert Housing with Ejector - USED
H&K Heckler & Koch
Now: $36.11Was: $49.95HK VP9/SK & VP40 Insert Housing w/ Ejector - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Insert housing with ejector for HK VP9 & VP40. Compatible With: HK VP9 HK...HKP-16804-USEDNow: $36.11Was: $49.95 -
On Sale
HK Mark 23 Slide Release Spring - USED
H&K Heckler & Koch
Now: $9.95Was: $15.99HK Mark 23 Slide Release Spring - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.HKP-01788-USEDNow: $9.95Was: $15.99 -
On Sale
HK MP5K, AP5-P Recoil Guide Rod - 9mm
MKE
Now: $19.95Was: $24.95MKE HK MP5K 9mm Recoil Guide Rod Incomplete recoil spring guide rod. Compatible With: MP5K MKE AP5-PHKP-22237Now: $19.95Was: $24.95 -
On Sale
HK VP9, VP9SK, VP40 Replacement Hex Button ONLY - Gold - BLEMISHED
HKP HK Parts
Now: $13.95Was: $24.95HKP HK VP9/VP9SK/VP40 Replacement Hex Button ONLY - Gold - BLEMISHED ONLY REPLACEMENT HEX BUTTON. DOES NOT INCLUDE SLIDE PLATE. CONDITION MAY VARY. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE...HKP-18111-GD-BNow: $13.95Was: $24.95 -
HK MR762 A4 Hammer
H&K Heckler & Koch
$40.95Heckler and Koch Hammer for HK MR762 A4 Rifles Factory-original German steel hammer for the MR762 A4. Designed as a direct replacement for worn or damaged hammers in MR762 A4 trigger assemblies. Compatible With: HK MR762 A4HKP-21968$40.95 -
On Sale
HK P7 Series Magazine Follower Insert - BLEMISHED
H&K Heckler & Koch
Now: $9.95Was: $29.95H&K HK P7 Series Magazine Follower Insert - BLEMISHED ONLY 1 UNIT AVAILABLE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Firing Pin Return Spring or...HKP-02365-BNow: $9.95Was: $29.95 -
Out Of Stock
B&T Recoil Buffer Pin - 3x12
B&T Brugger & Thomet
$1.95B&T Recoil Buffer Pin - 3x12 B&T factory recoil buffer pin for folding and telescopic stocks.HKP-21762$1.95