HK11E, HK21, HK21E & HK23E

Parts here are designed for HK HK11E, HK21, HK21E & HK23E machine gun models chambered in 7.62x51mm / .308 Win or 5.56x45mm / .223 Rem unless otherwise noted. MGW offers replacement sights, catches, springs, pins and other small parts for these select-fire guns made in the 60's to present day. Outfit your Heckler & Koch HK11E/HK21/HK21E/HK23E with quality OEM and aftermarket parts and components to ensure reliable performance from every shot.

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Heckler and Koch HK21E / M13 Pressure Bolt

Heckler and Koch HK21E / M13 Pressure Bolt

$8.95

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Heckler and Koch HK21E / M13 Catch Pin

Heckler and Koch HK21E / M13 Catch Pin

$8.95

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In Stock

Heckler and Koch HK21E / M13 Guide Pin

Heckler and Koch HK21E / M13 Guide Pin

$16.95

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In Stock

Heckler and Koch HK21 Elbow Spring

Heckler and Koch HK21 Elbow Spring

$6.00

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In Stock

Heckler and Koch HK21 Control Bolt
Heckler and Koch HK21 Web

Heckler and Koch HK21 Web

$12.50

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Heckler and Koch HK21E Elbow Spring
Heckler and Koch HK21 / M13 Axle

Heckler and Koch HK21 / M13 Axle

$17.95

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In Stock

Heckler and Koch HK21 / M13 Compression Spring

Heckler and Koch HK21 / M13 Compression Spring

$6.50

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In Stock

Heckler and Koch HK21E / M13 Catch

Heckler and Koch HK21E / M13 Catch

$25.00

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In Stock

Heckler and Koch HK21 / M13 Slide Bolt
Heckler and Koch HK21 / M13 Compression Spring, Short

Heckler and Koch HK21 / M13 Compression Spring, Short

$6.95

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Heckler and Koch HK21 Follower Roller, Braised (Old Style)

Heckler and Koch HK21 Follower Roller, Braised (Old Style)

$39.95

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In Stock