Daily Deals

Get your build started with this upgraded Complete Lower Receiver.

CA Prop 65 1 Color Green Condition New Material Aluminum Optics Close Focus 9.2 ft Optics Diopter Adj Yes Optics Exit Pupil 4.2mm Optics Eye Relief

Made in USA SIERRA MATCHKING 6.5MM (0.264") HOLLOW POINT BOAT TAIL RIFLE BULLETS

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist.

CA Prop 65 1 Color Green Optics Diopter Adj Yes Optics Exit Pupil 3.1mm Optics Eye Relief 17mm Optics Field of View @1000 yds 357 ft Optics Objective 25

Made in USA

This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist.

Brand Family K18i CA Prop 65 1 Color Black Condition Demo Material Aluminum Optics Diopter Adj Yes Optics Focal Plane SFP Optics Illuminated Reticle