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HECKLER & KOCH GUN PARTS PRODUCTS

Heckler & Koch (H&K) was founded in 1949 by former Mauser engineers Edmund Heckler, Theodor Koch, and Alex Seidel in Oberndorf am Neckar, Germany. Heckler & Koch (H&K) has produced several groundbreaking firearms, including the HK416, MP7, and MP5 (SP5). The MP5 is iconic for its role in law enforcement and special operations units worldwide. These products have solidified H&K's reputation for innovation and quality in the global arms industry​.

HECKLER & KOCH Gun Parts Products — 324 Products / 49 Models

The right gear pays off when it counts, and our HECKLER & KOCH Gun Parts lineup delivers 324 in-stock products starting at $0.42 across 49 models including Handgun Parts, Rifle Parts, Magazines, Recoil Pads & Reducers.  Stack the savings Up To 68% Off on qualifying orders, and all Brownells & Sinclair brand products backed by our Forever Guarantee®.

The numbers back it up: 4.8 stars across 47 verified buyer reviews, where customers consistently call out the fit, finish, and field performance that keeps them coming back. Discover the complete HECKLER & KOCH collection for more from a brand that has earned its reputation one customer at a time.

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324 Total Products
Products:  289  –  320  of 324
Number of results: 
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HECKLER & KOCH - MSG90 225785 SCREW HECKLER & KOCH - MSG90 225785 SCREW
5 Stars
(0.0)

$5.72

Out of Stock
HECKLER & KOCH - SA80 928136 PIN, ROLL, 2X10MM MAG CATCH, HECKLER & KOCH - SA80 928136 PIN, ROLL, 2X10MM MAG CATCH,
5 Stars
(5.0)

$4.99

Out of Stock
HECKLER & KOCH - P9S 202200 SPRING, DISCONNECTOR HECKLER & KOCH - P9S 202200 SPRING, DISCONNECTOR
5 Stars
(0.0)

$4.99

Out of Stock
HECKLER & KOCH - Mark 23 SEAR AXLE, MARK 23 HECKLER & KOCH - Mark 23 SEAR AXLE, MARK 23
5 Stars
(0.0)

$4.51

Out of Stock
HECKLER & KOCH - P9S PIN, CYLINDRICAL, TRIGGER P9S HECKLER & KOCH - P9S PIN, CYLINDRICAL, TRIGGER P9S
5 Stars
(0.0)

$3.99

Out of Stock
HECKLER & KOCH - MARK 23 215747 SAFETY DETENET SPRING HECKLER & KOCH - MARK 23 215747 SAFETY DETENET SPRING
5 Stars
(5.0)

$3.05

Out of Stock
HECKLER & KOCH - MARK 23 215741 HAMMER STRUT SPRING HECKLER & KOCH - MARK 23 215741 HAMMER STRUT SPRING
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - P9S 922692 PIN, CYLINDRICAL, 6 X 10MM, HECKLER & KOCH - P9S 922692 PIN, CYLINDRICAL, 6 X 10MM,
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - HK91 200453 SPRING, HELICAL, BOLTHEAD HECKLER & KOCH - HK91 200453 SPRING, HELICAL, BOLTHEAD
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - UMP SCREW, CYLINDRICAL, UMP, 5X16 HECKLER & KOCH - UMP SCREW, CYLINDRICAL, UMP, 5X16
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - P9S 929530 PIN, ROLL 1.5X10MM HECKLER & KOCH - P9S 929530 PIN, ROLL 1.5X10MM
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - UMP40 219413 SCREW, CYLINDRICAL, SELF-LOCK HECKLER & KOCH - UMP40 219413 SCREW, CYLINDRICAL, SELF-LOCK
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - HK91 200985 SPRING, HELICAL, BUFFER HECKLER & KOCH - HK91 200985 SPRING, HELICAL, BUFFER
5 Stars
(0.0)

$2.86

Out of Stock
HECKLER & KOCH - USP TRIGGER BAR, USP HECKLER & KOCH - USP TRIGGER BAR, USP
5 Stars
(0.0)

$14.74

Out of Stock
HECKLER & KOCH - P2000 TRIGGER BAR, P2000 HECKLER & KOCH - P2000 TRIGGER BAR, P2000
5 Stars
(0.0)

$13.28

Out of Stock
HECKLER & KOCH - HK33, G3 TRIGGER, COMPL, G3, HK33/53 HECKLER & KOCH - HK33, G3 TRIGGER, COMPL, G3, HK33/53
5 Stars
(0.0)

$74.99

Out of Stock
HECKLER & KOCH - MR556A1 GAS PISTON HECKLER & KOCH - MR556A1 GAS PISTON
5 Stars
(0.0)

$48.99

Out of Stock
HECKLER & KOCH - USP PLATE, DETENT (1+2) USP COMPACT HECKLER & KOCH - USP PLATE, DETENT (1+2) USP COMPACT
5 Stars
(0.0)

$8.99

Out of Stock
HECKLER & KOCH - P9S HAMMER, TARGET, COMPL., P9S, HECKLER & KOCH - P9S HAMMER, TARGET, COMPL., P9S,
5 Stars
(0.0)

$59.99

Out of Stock
HECKLER & KOCH - P9S HAMMER, P9S HECKLER & KOCH - P9S HAMMER, P9S
5 Stars
(0.0)

$41.99

Out of Stock
HECKLER & KOCH - Mark 23 SIGHT, REAR, MK23, 6.7MM HECKLER & KOCH - Mark 23 SIGHT, REAR, MK23, 6.7MM
5 Stars
(0.0)

$26.99

Out of Stock
HECKLER & KOCH - USP SIGHT POST, FRONT, USP45 MATCH HECKLER & KOCH - USP SIGHT POST, FRONT, USP45 MATCH
5 Stars
(0.0)

$14.74

Out of Stock
HECKLER & KOCH - MP5 PIN, STOP RECOIL SPRING, MP5 HECKLER & KOCH - MP5 PIN, STOP RECOIL SPRING, MP5
5 Stars
(0.0)

$13.99

Out of Stock
HECKLER & KOCH - P9S CATCH, SAFETY, COMPL. P9S .45 HECKLER & KOCH - P9S CATCH, SAFETY, COMPL. P9S .45
5 Stars
(0.0)

$12.99

Out of Stock
HECKLER & KOCH - G3 BUSHING, FOR TUBULAR RIVET, G3 HECKLER & KOCH - G3 BUSHING, FOR TUBULAR RIVET, G3
5 Stars
(0.0)

$10.35

Out of Stock
HECKLER & KOCH - P9S 201441 SCHREW, COUNTERSINK HECKLER & KOCH - P9S 201441 SCHREW, COUNTERSINK
5 Stars
(0.0)

$9.99

Out of Stock
HECKLER & KOCH - P9S 201367 SPRING, HELICAL, MAGAZINE HECKLER & KOCH - P9S 201367 SPRING, HELICAL, MAGAZINE
5 Stars
(0.0)

$8.99

Out of Stock
HECKLER & KOCH - P9S SPRING, HELICAL, HAMMER, P9S, HECKLER & KOCH - P9S SPRING, HELICAL, HAMMER, P9S,
5 Stars
(0.0)

$7.49

Out of Stock
HECKLER & KOCH - MARK 23 215737 MAGAZINE RELEASE SPRING HECKLER & KOCH - MARK 23 215737 MAGAZINE RELEASE SPRING
5 Stars
(0.0)

$5.97

Out of Stock
HECKLER & KOCH - P9S 210010 RIVET, REAR SIGHT HECKLER & KOCH - P9S 210010 RIVET, REAR SIGHT
5 Stars
(0.0)

$4.99

Out of Stock
Products:  289  –  320  of 324