We've assembled a collection of the most commonly lost or damaged parts for the HK-91 and G3 rifle. These are military surplus parts taken from decommissioned German rifles and may show normal wear. Package includes hammer, sear, SEF marked lower, firing pin and spring, along with various other parts. Some parts included in this kit may be regulated by the NFA so always observe federal, state, and local laws when installing these parts. Used in Grade II condition.

Each set may contain the following:
Rear sight Assembly
Rear Sight Retainer or Clamping Screw
Rear Sight Windage Screw
Trigger
Hammer
Sear
Sear Pack Elbow Spring
2 +4 8.04mm Locking Rollers (actual roller size may vary)
Roller Retaining Plate
Firing Pin
Firing Pin Spring
Burst Trigger Pack Compression Spring
Ejector Lever
Locking piece
Long Axle Selector Lever
Cocking Handle Support
OD Green Cocking Handle
Cocking Handle Spring
Magazine Release Button
Ejector Lever
Extractor
Extractor Spring
SEF Marked Navy Lower
OD Green or Black Butt Stock Pad
Various pins, bolts, and screws along with other assorted hardware.

All Military surplus products are used, the condition of the products varies, and the quantities may be limited.
Surplus condition scale:
Grade I - Used in like new to excellent condition.
Grade II - Used in good condition, may show minor use.
Grade III - Used in fair condition, will show normal wear and tear from daily use.