UPPER RECEIVER PARTS
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Part
Part Number
 
Aperture, Rear Sight A-1
2340065
Aperture, Rear Sight A-2
2340066
Base, Rear Sight A-2
2340068
Carry Handle, Removable
2340201
Charging Handle
2340027
Charging Handle Assy.
2340115
Cover, Ejection Port
2340072
Drum, Rear Sight Windage A-1
2340073
Forward Assist, Round A-2
2340075
Forward Assist, Teardrop
2340076
Front Sight Base A-2
2340316
Front Sight Base A-4 2340202
Front Sight, Removable
2340169
Gas Block 2340028
Handguard, Floating Alum. 12 1/2 ”
2340011
Handguard, Floating Alum. 7"
2340016
Handguard, Floating Alum. 4 1/2 ”
2340017
Key, Bolt Carrier (with nitrotec)
2340077
Key, Bolt Carrier (with chrome & phosphate)
2340077-1
Knob, Knurled (for Removable Sight & Handle)
2340170
Knob, Rear Sight Rapidex A-1
2340105
Knob, Rear Sight Elevation A-2
2340078
Knob, Rear Sight Elevation Index A-2.
2340080
Knob, Rear Sight Windage A-2
2340081
Picatinny Adapter 2340153
Pin, Ejection Port Cover 2340084
Post, Front Sight Square 2340086
Post, Front Sight Tapered 2340018
Post, Front Sight Round 2340019
Riser Assy., 1" Flat Top Removable 2340185
Screw, Rear Sight Windage A-1 2340089
Screw, Rear Sight Windage A-2 2340090
Scope Mount Assy., Flat Top Removable 2340186
Side Mount, Accessory 2340282
Scope Mount 2340283
Sight, Tactical Flip-Up (Rear) 2340299
Sight, Flip-Up (Front) 2340264
Side Sling Adapter 2340182
Upper Receiver  
Plunger & Nut Assembly 2340199
Rear Sight Base, Carry Handle 2340306