Celebrating 87 Years! Shop Exclusive Anniversary Offers Now

Celebrating 87 Years! Shop Exclusive Offers Now

Magpul Orders SHIP FREE w/ Code: MAGPULFS • All Orders $150+ SHIP FREE w/ Code: 150FREESHIP

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.

Sort by:
324 Total Products
Products:  129  –  160  of 324
Number of results: 
  • 32
  • 64
  • 96
HECKLER & KOCH - HK45C MAGAZINE,8RNDS HECKLER & KOCH - HK45C MAGAZINE,8RNDS
5 Stars
(0.0)

$45.99

Out of Stock
HECKLER & KOCH - HK11E,HK21E,G8 222565 GUIDE BOLT HECKLER & KOCH - HK11E,HK21E,G8 222565 GUIDE BOLT
5 Stars
(0.0)

$11.82

Out of Stock
HECKLER & KOCH - HK45 MAGAZINE RELEASE, HK45C HECKLER & KOCH - HK45 MAGAZINE RELEASE, HK45C
5 Stars
(5.0)

$13.99

Out of Stock
HECKLER & KOCH - USP MAGAZINE, USP40C, 10RD. W/EXT. HECKLER & KOCH - USP MAGAZINE, USP40C, 10RD. W/EXT.
5 Stars
(0.0)

$43.99

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

$6.49

Out of Stock
HECKLER & KOCH - SL8 LOCKING LEVER, SL8-1 HECKLER & KOCH - SL8 LOCKING LEVER, SL8-1
5 Stars
(0.0)

$8.89

Out of Stock
HECKLER & KOCH - USP MAGAZINE, USP45, 12RD. EXT.FP HECKLER & KOCH - USP MAGAZINE, USP45, 12RD. EXT.FP
5 Stars
(0.0)

$43.99

Out of Stock
HECKLER & KOCH - Mark 23 SPRING, FIRING PIN, MARK 23 HECKLER & KOCH - Mark 23 SPRING, FIRING PIN, MARK 23
5 Stars
(0.0)

$4.51

Out of Stock
HECKLER & KOCH - MP5 LOCKING PIECE, 100DEG., MP5, HECKLER & KOCH - MP5 LOCKING PIECE, 100DEG., MP5,
5 Stars
(0.0)

$79.05

Out of Stock
HECKLER & KOCH - USP BARREL, USP .45EXPERT HECKLER & KOCH - USP BARREL, USP .45EXPERT
5 Stars
(0.0)

$225.20

Out of Stock
HECKLER & KOCH - USP BARREL, USP40, SPORT HECKLER & KOCH - USP BARREL, USP40, SPORT
5 Stars
(0.0)

$299.99

Out of Stock
HECKLER & KOCH - HK41 224337 FIRING PIN G 41 HECKLER & KOCH - HK41 224337 FIRING PIN G 41
5 Stars
(0.0)

$42.51

Out of Stock
HECKLER & KOCH - HK91 200452 LEVER, BOLTHEAD LOCKING HECKLER & KOCH - HK91 200452 LEVER, BOLTHEAD LOCKING
5 Stars
(0.0)

$27.49

Out of Stock
HECKLER & KOCH - MP5 CLAMP, MAGAZINE, MP5/HK94 HECKLER & KOCH - MP5 CLAMP, MAGAZINE, MP5/HK94
5 Stars
(0.0)

$99.99

Out of Stock
HECKLER & KOCH - Mark 23 MAGAZINE, MARK23, 12RD, .45ACP HECKLER & KOCH - Mark 23 MAGAZINE, MARK23, 12RD, .45ACP
5 Stars
(0.0)

$64.99

Out of Stock
HECKLER & KOCH - P9S PLATE, BEARING, RIGHT, P9S HECKLER & KOCH - P9S PLATE, BEARING, RIGHT, P9S
5 Stars
(0.0)

$12.99

Out of Stock
HECKLER & KOCH - P9S 200664 PIN, PRESSURE, FOR BOLTHEAD HECKLER & KOCH - P9S 200664 PIN, PRESSURE, FOR BOLTHEAD
5 Stars
(0.0)

$12.49

Out of Stock
HECKLER & KOCH - HK45 MAGAZINE,HK45COMP 10RD W/EXT, SPAR HECKLER & KOCH - HK45 MAGAZINE,HK45COMP 10RD W/EXT, SPAR
5 Stars
(0.0)

$42.99

Out of Stock
HECKLER & KOCH - P2000 CLAMPING SLEEVE, P2000 HECKLER & KOCH - P2000 CLAMPING SLEEVE, P2000
5 Stars
(0.0)

$1.58

Out of Stock
HECKLER & KOCH - G3 SPRING, HELICAL, FIRING PIN, G3 HECKLER & KOCH - G3 SPRING, HELICAL, FIRING PIN, G3
5 Stars
(0.0)

$5.97

Out of Stock
HECKLER & KOCH - USP USP9 EXPERT 18RD STEEL MAGAZINE (F HECKLER & KOCH - USP USP9 EXPERT 18RD STEEL MAGAZINE (F
5 Stars
(0.0)

$84.99

Out of Stock
HECKLER & KOCH - DECOCKER, MARK 23 HECKLER & KOCH - DECOCKER, MARK 23
5 Stars
(0.0)

$5.97

Out of Stock
HECKLER & KOCH - 416 SELECTOR LEVER, AUTO, HK416 HECKLER & KOCH - 416 SELECTOR LEVER, AUTO, HK416
5 Stars
(0.0)

$34.99

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

$11.37

Out of Stock
HECKLER & KOCH - 416, MR556 RETAINER, BUFFER, HK416/MR HECKLER & KOCH - 416, MR556 RETAINER, BUFFER, HK416/MR
5 Stars
(5.0)

$16.15

Out of Stock
HECKLER & KOCH - UMP MAGAZINE, UMP9, 30-RD HECKLER & KOCH - UMP MAGAZINE, UMP9, 30-RD
5 Stars
(0.0)

$74.99

Out of Stock
HECKLER & KOCH - P2000 COMPRESSION SPRING, P2000 HECKLER & KOCH - P2000 COMPRESSION SPRING, P2000
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - P30/VP9 9MM 20RD MAGAZINE HECKLER & KOCH - P30/VP9 9MM 20RD MAGAZINE
5 Stars
(0.0)

$54.99

Out of Stock
HECKLER & KOCH - G36 WELL, MAGAZINE, G36 5.56MM HECKLER & KOCH - G36 WELL, MAGAZINE, G36 5.56MM
5 Stars
(0.0)

$27.99

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

$16.99

Out of Stock
Products:  129  –  160  of 324