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 MP5, AP5 Cocking Tube Support - Steel
MKE
$69.95MP5 & HK94 All Steel Cocking Tube Support Each cocking tube support comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic support found in clones. Compatible With: HK MP5, HK94 HK...HKP-22505$69.95 -
On Sale
HK SL8 Buttstock Cheek Riser Piece - BLEMISHED
H&K Heckler & Koch
Now: $17.95Was: $34.95HK SL8 Stock Cheek Riser Piece - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY MISSING SPACER COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...HKP-01701-BNow: $17.95Was: $34.95 -
On Sale
HK Ambidextrous Sling - Green - USED
H&K Heckler & Koch
Now: $93.95Was: $149.95HK Ambidextrous Sling - Green - 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. This sling is the factory HK Green 1.25" Ambi Sling with dual HK sling hooks...HKP-00183-USEDNow: $93.95Was: $149.95 -
On Sale
HK MP5 Optic Mount - Aimpoint ACRO P-1 - .22 LR
HKP HK Parts
Now: $67.95Was: $98.95HKP - HK MP5 .22LR Optic Mount - ACRO Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean overall look. Full co-witness, this mount is the best in the market with the best 3-piece...HKP-99353Now: $67.95Was: $98.95 -
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...HKP-22434$58.95 -
On Sale
HK417, MR762 Handguard - 15" - Tropentarn
H&K Heckler & Koch
Now: $439.95Was: $488.95Heckler and Koch HK MR762 A4 Complete Handguard - Tropentarn - 15" Factory HK handguard with a 12 o’clock Picatinny rail and M-LOK slots at 3, 6, and 9 o’clock for mounting optics and accessories. Includes dual QD sling sockets for...HKP-99326Now: $439.95Was: $488.95 -
On Sale
HK21 Barrel - 17.7" - Threaded 15X1 - 7.62x51 / .308
Michaels Machines
Now: $994.95Was: $1,189.95MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come stripped, requiring a flash hider/muzzle device and barrel handle assembly (all...HKP-22332Now: $994.95Was: $1,189.95 -
Out Of StockOn Sale
HK33K, HK53 Locking Piece #3 - 58 Degree - New Old Stock
H&K Heckler & Koch
Now: $1,449.95Was: $1,949.95Heckler and Koch HK53 Locking Piece #3 - 58 Degree - New Old Stock ONLY 2 UNITS AVAILABLE - AS PICTURED Priced for ONE Locking Piece - Condition Varies by Unit - Sold Individually Rare genuine German HK #3 locking piece. This is the correct factory...HKP-99315Now: $1,449.95Was: $1,949.95 -
On Sale
HK USC, SL8 Buttstock Screw - USED
H&K Heckler & Koch
Now: $7.95Was: $12.95H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - USED ONLY 2 UNITS AVAILABLE - AS PICTURED 1 SCREW PER ORDER - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL...HKP-01649-BNow: $7.95Was: $12.95 -
On Sale
HK MP5 Tactical Weapon Light - USED
B&T Brugger & Thomet
Now: $129.95Was: $299.95B&T HK MP5 Tactical Handguard Weapon Light - USED ONLY 3 UNITS LEFT - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY DOES NOT INCLUDE BATTERIES LED weapon light compatible with B&T TL99 MP5/SP5 handguards. Specifications: High...HKP-99270Now: $129.95Was: $299.95 -
HK91, G3 Bolt Carrier - Full Auto - SURPLUS
H&K Heckler & Koch
$149.95Heckler and Koch Factory F/A Bolt Carrier for HK G3 and HK91 - SURPLUS UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Surplus factory H&K full-auto steel bolt carrier for the G3. Serves as the primary cycling component, driving the...HKP-22161$149.95 -
Out Of Stock
Century Arms AP53 Magazine - 30 Round
MKE
$54.95MKE 30 Round Magazine - Steel The MKE 30-Round Steel Magazine is a rugged, corrosion-resistant mag designed for the MKE 5.56 AP53 platform. Compatible With: Century Arms AP53 HK53 In-spec. clones and custom buildsHKP-22088$54.95