HK416 / MR566 Small Parts
Our selection includes every essential small part for your HK MR556 or HK416 rifle – pins, springs, detents, gas rings, firing pins, and more.
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HK MR556 A4 Hammer - Incomplete - Semi-Auto
H&K Heckler & Koch
$43.95Heckler and Koch Hammer for HK MR556 Semi-Auto rifles Factory-original German steel hammer for MR556 A4 rifles. Designed as a direct replacement for worn or damaged hammers in MR556 A1 and A4 trigger...HKP-22384$43.95 -
HK416, MR556 A4 Hammer Washer
H&K Heckler & Koch
$58.95Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles...HKP-22434$58.95 -
HK416, MR556 Magazine Locking Plate
H&K Heckler & Koch
$9.95Heckler and Koch German HK MR556 and HK416 Magazine Locking PlateHKP-13484$9.95 -
HK416, MR556 Trigger Guard
HKP HK Parts
$39.95HKP HK Parts Trigger Guard for HK416 and HK MR556 Upgrade your HK416 or MR556 with a durable trigger guard designed to provide improved strength and enhanced ergonomics. Featuring a larger, rounded...HKP-22896-M$39.95