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HECKLER & KOCH RIFLE 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 Rifle Parts Products — 120 Products / 36 Models

Quality stands out when it matters most, and our HECKLER & KOCH Rifle Parts lineup delivers 120 in-stock products starting at $0.42 across 36 models including Rifle Receivers & Parts, Rifle Recoil Parts, Rifle Bolt Parts, Rifle Magazine Parts. Stack the savings Up To 68% Off on qualifying orders, and all Brownells & Sinclair brand products backed by our Forever Guarantee®.

Real feedback from real users tells the story: 4.9 stars across 34 verified buyer reviews highlighting the precision, durability, and value that keep this lineup in steady demand. Take a closer look at the full HECKLER & KOCH Gun Parts selection to see what else this brand brings to the table.

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122 Total Products
Products:  33  –  64  of 122
Number of results: 
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HECKLER & KOCH - GMG 40mm 217977 RETAINING SPRING, GMG HECKLER & KOCH - GMG 40mm 217977 RETAINING SPRING, GMG
5 Stars
(0.0)

$14.74

In stock
HECKLER & KOCH - HK300 929932 SCREW HECKLER & KOCH - HK300 929932 SCREW
5 Stars
(5.0)

$4.99

In stock
HECKLER & KOCH - HK630 220305 GUIDE, SPRING HECKLER & KOCH - HK630 220305 GUIDE, SPRING
5 Stars
(5.0)

$3.99

In stock
HECKLER & KOCH - GMG 40mm 986546 CLAMPING SLEEVE, GMG HECKLER & KOCH - GMG 40mm 986546 CLAMPING SLEEVE, GMG
5 Stars
(5.0)

$3.05

In stock
HECKLER & KOCH - HK11E,HK21E,G8 222759 PIN, STOP HECKLER & KOCH - HK11E,HK21E,G8 222759 PIN, STOP
5 Stars
(0.0)

$23.49

In stock
HECKLER & KOCH - BARREL SOCKET FOR HECKLER & KOCH MR556A1 HECKLER & KOCH - BARREL SOCKET FOR HECKLER & KOCH MR556A1
5 Stars
(0.0)

$64.99

Out of Stock
HECKLER & KOCH - RETAINING RING FOR HECKLER & KOCH® HK91 HECKLER & KOCH - RETAINING RING FOR HECKLER & KOCH® HK91
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - HECKLER & KOCH MP5 REAR SIGHT DRUM HECKLER & KOCH - HECKLER & KOCH MP5 REAR SIGHT DRUM
5 Stars
(5.0)

$66.99

Out of Stock
HECKLER & KOCH - HECKLER & KOCH MR556A1 GRIP COVER HECKLER & KOCH - HECKLER & KOCH MR556A1 GRIP COVER
5 Stars
(0.0)

$13.28

Out of Stock
HECKLER & KOCH - HECKLER & KOCH HK300 FRONT SIGHT HOLDER RAMP HECKLER & KOCH - HECKLER & KOCH HK300 FRONT SIGHT HOLDER RAMP
5 Stars
(0.0)

$29.99

Out of Stock
HECKLER & KOCH - HECKLER & KOCH G36 BUTTSTOCK AXLE HECKLER & KOCH - HECKLER & KOCH G36 BUTTSTOCK AXLE
5 Stars
(0.0)

$11.49

Out of Stock
HECKLER & KOCH - HECKLER & KOCH HK33 SLIP-ON CHEEK PIECE HECKLER & KOCH - HECKLER & KOCH HK33 SLIP-ON CHEEK PIECE
5 Stars
(0.0)

$19.99

Out of Stock
HECKLER & KOCH - HECKLER & KOCH G36K FLASH HIDER 22 CAL HECKLER & KOCH - HECKLER & KOCH G36K FLASH HIDER 22 CAL
5 Stars
(0.0)

$118.51

Out of Stock
HECKLER & KOCH - HECKLER & KOCH FLASH HIDER 22 CAL HECKLER & KOCH - HECKLER & KOCH FLASH HIDER 22 CAL
5 Stars
(0.0)

$51.28

Out of Stock
HECKLER & KOCH - HECKLER & KOCH G36C FLASH HIDER 22 CAL HECKLER & KOCH - HECKLER & KOCH G36C FLASH HIDER 22 CAL
5 Stars
(0.0)

$96.58

Out of Stock
HECKLER & KOCH - 416, MR556 RAIL SYSTEM,FREE FLOATING,HK416,LO HECKLER & KOCH - 416, MR556 RAIL SYSTEM,FREE FLOATING,HK416,LO
5 Stars
(0.0)

$430.77

Out of Stock
HECKLER & KOCH - H&K USC STOCK FIXED OEM HECKLER & KOCH - H&K USC STOCK FIXED OEM
5 Stars
(0.0)

$87.91

Out of Stock
HECKLER & KOCH - MP5 EJECTOR, 9MM , MP5/HK94 HECKLER & KOCH - MP5 EJECTOR, 9MM , MP5/HK94
5 Stars
(5.0)

$40.99

Out of Stock
HECKLER & KOCH - HK MR556A1 PISTOL GRIP HECKLER & KOCH - HK MR556A1 PISTOL GRIP
5 Stars
(5.0)

$47.32

Out of Stock
HECKLER & KOCH - MP5 SPRING, SHAPED, EXTRACTOR, MP5 HECKLER & KOCH - MP5 SPRING, SHAPED, EXTRACTOR, MP5
5 Stars
(0.0)

$9.99

Out of Stock
HECKLER & KOCH - UMP, USC PIN, FIRING PIN RETAIN.UMP/USC HECKLER & KOCH - UMP, USC PIN, FIRING PIN RETAIN.UMP/USC
5 Stars
(0.0)

$3.05

Out of Stock
HECKLER & KOCH - P9S 200665 SPRING, HELICAL, LOCKING LEVER HECKLER & KOCH - P9S 200665 SPRING, HELICAL, LOCKING LEVER
5 Stars
(0.0)

$4.99

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

$79.05

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
Products:  33  –  64  of 122