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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:  161  –  192  of 324
Number of results: 
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HECKLER & KOCH - 416, MR556 AXLE ,HK416/417/MR HECKLER & KOCH - 416, MR556 AXLE ,HK416/417/MR
5 Stars
(0.0)

$10.35

Out of Stock
HECKLER & KOCH - USP SIGHT, FRONT, USP40 EXPERT HECKLER & KOCH - USP SIGHT, FRONT, USP40 EXPERT
5 Stars
(0.0)

$16.99

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

$12.99

Out of Stock
HECKLER & KOCH - 260442 GRIP SHELL LEFT   S  , VP9 HECKLER & KOCH - 260442 GRIP SHELL LEFT S , VP9
5 Stars
(0.0)

$8.99

Out of Stock
HECKLER & KOCH - USP Compact 219454 SPRING, COMPRESSION HECKLER & KOCH - USP Compact 219454 SPRING, COMPRESSION
5 Stars
(0.0)

$4.99

Out of Stock
HECKLER & KOCH - USP 215124S MAGAZINE, USP9MM EXPERT,18R HECKLER & KOCH - USP 215124S MAGAZINE, USP9MM EXPERT,18R
5 Stars
(0.0)

$59.99

Out of Stock
HECKLER & KOCH - P9S EXTRACTOR P9S,9MM HECKLER & KOCH - P9S EXTRACTOR P9S,9MM
5 Stars
(0.0)

$31.99

Out of Stock
HECKLER & KOCH - P9S LEVER, COCKING P9S, 9MM/.45ACP HECKLER & KOCH - P9S LEVER, COCKING P9S, 9MM/.45ACP
5 Stars
(0.0)

$27.99

Out of Stock
HECKLER & KOCH - MARK 23 927062 LOCK WASHER, 3.2 DIN 6799 HECKLER & KOCH - MARK 23 927062 LOCK WASHER, 3.2 DIN 6799
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - USP PIN, BARREL, 5.0MM, USP HECKLER & KOCH - USP PIN, BARREL, 5.0MM, USP
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - USP45 MAGAZINE 10RD 45ACP HECKLER & KOCH - USP45 MAGAZINE 10RD 45ACP
5 Stars
(0.0)

$48.99

Out of Stock
HECKLER & KOCH - USP BARREL, USP .40 S&W HECKLER & KOCH - USP BARREL, USP .40 S&W
5 Stars
(0.0)

$219.99

Out of Stock
HECKLER & KOCH - M556CA1 GAS PISTON HECKLER & KOCH - M556CA1 GAS PISTON
5 Stars
(1.0)

$71.54

Out of Stock
HECKLER & KOCH - 416 SPRING, TAKEDOWN PIN, HK416 HECKLER & KOCH - 416 SPRING, TAKEDOWN PIN, HK416
5 Stars
(5.0)

$7.49

Out of Stock
HECKLER & KOCH - HK53 GUIDE ROD, IMCOMPL HK53 HECKLER & KOCH - HK53 GUIDE ROD, IMCOMPL HK53
5 Stars
(0.0)

$26.43

Out of Stock
HECKLER & KOCH - P9S 210315 PIN, LEVER HECKLER & KOCH - P9S 210315 PIN, LEVER
5 Stars
(0.0)

$7.49

Out of Stock
HECKLER & KOCH - P9S 200656 SPRING, HELICAL, FIRING PIN HECKLER & KOCH - P9S 200656 SPRING, HELICAL, FIRING PIN
5 Stars
(0.0)

$4.99

Out of Stock
HECKLER & KOCH - USP SIGHT, FRONT, 7.0MM USP HECKLER & KOCH - USP SIGHT, FRONT, 7.0MM USP
5 Stars
(0.0)

$11.82

Out of Stock
HECKLER & KOCH - HK45, P30 REAR SIGHT P30 COMPL., HK45 HECKLER & KOCH - HK45, P30 REAR SIGHT P30 COMPL., HK45
5 Stars
(0.0)

$26.99

Out of Stock
HECKLER & KOCH - USP CATCH, USP9/40 HECKLER & KOCH - USP CATCH, USP9/40
5 Stars
(0.0)

$11.82

Out of Stock
HECKLER & KOCH - USP 215979S MAGAZINE, 13RD, USP9, COMPACT( HECKLER & KOCH - USP 215979S MAGAZINE, 13RD, USP9, COMPACT(
5 Stars
(0.0)

$42.99

Out of Stock
HECKLER & KOCH - MP5 CATCH, MP5/10/40 HECKLER & KOCH - MP5 CATCH, MP5/10/40
5 Stars
(0.0)

$35.20

Out of Stock
HECKLER & KOCH - HK45 BACK STRAP   S  , HK45C (NH) HECKLER & KOCH - HK45 BACK STRAP S , HK45C (NH)
5 Stars
(1.0)

$11.99

Out of Stock
HECKLER & KOCH - USP, P2000 MAGAZINE, 10RD, USP9C/P2000 HECKLER & KOCH - USP, P2000 MAGAZINE, 10RD, USP9C/P2000
5 Stars
(0.0)

$42.99

Out of Stock
HECKLER & KOCH - USP HAMMER, BOBBED, COMPL, USP9/40 HECKLER & KOCH - USP HAMMER, BOBBED, COMPL, USP9/40
5 Stars
(0.0)

$36.66

Out of Stock
HECKLER & KOCH - HK45 DETENT PLATE 1 + 2, HK45 HECKLER & KOCH - HK45 DETENT PLATE 1 + 2, HK45
5 Stars
(5.0)

$10.35

Out of Stock
HECKLER & KOCH - HK11E,HK21E,G8 221230 SPRING, BUFFER, INNER HECKLER & KOCH - HK11E,HK21E,G8 221230 SPRING, BUFFER, INNER
5 Stars
(0.0)

$9.99

Out of Stock
HECKLER & KOCH - G3 FOREARM, SLIMLINE, BLACK, G3/91 HECKLER & KOCH - G3 FOREARM, SLIMLINE, BLACK, G3/91
5 Stars
(0.0)

$148.69

Out of Stock
HECKLER & KOCH - MP5 SUPPORT, COCKING LEVER, MP5/ HECKLER & KOCH - MP5 SUPPORT, COCKING LEVER, MP5/
5 Stars
(0.0)

$68.82

Out of Stock
HECKLER & KOCH - P2000 RECOIL SPRING GUIDE ROD, P2000 HECKLER & KOCH - P2000 RECOIL SPRING GUIDE ROD, P2000
5 Stars
(0.0)

$46.89

Out of Stock
Products:  161  –  192  of 324