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AR 15 Upper Parts from Del-ton, Inc.

Our upper parts selection includes A2 rear sight parts, ball bearings, assist springs and much more. These pieces are made in the U.S from top quality materials by Del-ton, Inc and all of the products in this category are mil-spec upper parts made for us with flat top, A3 and A2 upper receivers. Please refer to the diagram below to learn more about the specific parts and locations for your rifle and feel free to contact us with any questions!

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AR15 Upper Receiver Parts Kit AR-15 A2 Rear Sight Assembly AR-15 A2 Rear Sight Windage Knob Spring Pin
AR15 Upper Receiver Parts Kit includes commonly replaced parts for upper receivers. (Part 1) A2 rear sight assembly. (Part 2) A2 Rear Sight Windage Knob Spring Pin
AR-15 Rear Sight Windage Knob AR-15 Rear Sight Springs AR-15 Rear Sight Ball Bearings
AR-15 Rear Sight Spring
Our Price: $0.75
(Part 3) Rear Sight Windage Knob (Parts 4 & 13) Rear Sight Springs. (Parts 5 & 12) Rear Sight Ball Bearing, 3 required
AR-15 Rear Sight Windage Knob Screw AR-15 Rear Sight Aperature - A2 AR-15 Rear Sight Flat Spring
(Part 6) Rear Sight Windage Knob Screw (Part 7) A2 Rear Sight Aperature (Part 8) A2 Rear Sight Flat Spring
AR-15 Rear Sight Base - A2 A2 Rear Sight Elevation Knob Spring Pin AR-15 Rear Sight Elevation Knob Spring
(Part 9) A2 Rear Sight Base (Part 10) A2 Rear Sight Elevation Knob Spring Pin (Part 11) Rear Sight Elevation Knob Spring
AR-15 Rear Sight Index Screw - A2 AR-15 Rear Sight Index Elevation AR-15 Rear Sight Elevation Knob
(Part 14) A2 Rear Sight Index Screw (Part 15) Rear Sight Index Elevation
8/3 Elevation Adjustment
(Part 16) Rear Sight Elevation Knob
AR-15 Ejection Port Cover Hinge Pin Clip AR-15 Ejection Port Cover Pin AR-15 Ejection Port Cover Spring
(Part 17) Ejection Port Cover Hinge Pin Clip (Part 18) Ejection Port Cover Pin (Part 19) Ejection Port Cover Spring
AR-15 Ejection Port Cover AR-15 Ejection Port Cover Assembly AR-15 Forward Assist Pin
(Part 20) Ejection Port Cover (Part 20) Ejection Port Cover Assembly. (Part 21) Forward Assist Pin
AR-15 Forward Assist Assembly - Round AR-15 Forward Assist Spring
(Part 22) Round forward assist assembly (Part 23) Forward Assist Spring