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5.56×45mm NATO

.22 Long Rifle (LR)

Rifle 3/8'''' X .125'''' Twilight Aperture - Rifle 3/8'''' X .125'''' Twilight Aperture Peep Gold - Brownells

Rifle 3/8'''' X .125'''' Twilight Aperture - Rifle 3/8'''' X .125'''' Twilight Aperture Peep Gold

Rifle Rear Sight Elevator Kit - Rifle Rear Sight Elevator Kit Black - Brownells

Rifle Rear Sight Elevator Kit - Rifle Rear Sight Elevator Kit Black

Rifle 1/2'''' Standard Apertures - Rifle 1/2'''' Standard Apertures Peep Black 3 Pack - Brownells

Rifle 1/2'''' Standard Apertures - Rifle 1/2'''' Standard Apertures Peep Black 3 Pack

98 Mauser Magazine Spring - 98 Mauser Magazine Spring 10% Extra Power - Brownells

98 Mauser Magazine Spring - 98 Mauser Magazine Spring 10% Extra Power

Rifle Rear Sight Elevators - Rear Sight Long Double Step Elevators Black 6 Pack - Brownells

Rifle Rear Sight Elevators - Rear Sight Long Double Step Elevators Black 6 Pack

Rifle 3/8'''' X .050'''' Aperture - Rifle 3/8'''' X .050'''' Aperture Peep Black - Brownells

Rifle 3/8'''' X .050'''' Aperture - Rifle 3/8'''' X .050'''' Aperture Peep Black

Rifle 3/8'''' X .050'''' Twilight Aperture - Rifle 3/8'''' X .050'''' Twilight Aperture Peep Gold - Brownells

Rifle 3/8'''' X .050'''' Twilight Aperture - Rifle 3/8'''' X .050'''' Twilight Aperture Peep Gold

Twilight Apertures - 3/8'''' Twilight Apertures 3 Pack - Brownells

Twilight Apertures - 3/8'''' Twilight Apertures 3 Pack

Brn-180(TM) Gas System Components - Brn-180 Gen 1/2 Piston Rod, 223 Wylde Standard - Brownells

Brn-180(TM) Gas System Components - Brn-180 Gen 1/2 Piston Rod, 223 Wylde Standard

Brn-4(R) Firing Pin - Brn-4 Firing Pin - Brownells

Brn-4(R) Firing Pin - Brn-4 Firing Pin

Brn-15 Upper Receivers 5.56mm Nato - Brn-15 5.56mm 16'''' Bbl .625'''' Gas Block Upper Receiver - Brownells

Brn-15 Upper Receivers 5.56mm Nato - Brn-15 5.56mm 16'''' Bbl .625'''' Gas Block Upper Receiver

Ar-15/M16 Forward Assist Springs - Brn Ar-15 Forward Assist Spring, Chrome Silicon, 3 Pack - Brownells

Ar-15/M16 Forward Assist Springs - Brn Ar-15 Forward Assist Spring, Chrome Silicon, 3 Pack

Ar-15 5/8' Crush Washer - Ar-15 5/8' Crush Washer Steel Black - Brownells

Ar-15 5/8' Crush Washer - Ar-15 5/8' Crush Washer Steel Black

Ar-15/M16 Magazine Release Springs - Brn Ar-15 Magazine Catch Spring, 3 Pack - Brownells

Ar-15/M16 Magazine Release Springs - Brn Ar-15 Magazine Catch Spring, 3 Pack

Ar-15 Rear Sight Elevation Knob Spring 3-Pak - Ar-15 Rear Sight Elevation Knob Spring, Silver, 3 Pack - Brownells

Ar-15 Rear Sight Elevation Knob Spring 3-Pak - Ar-15 Rear Sight Elevation Knob Spring, Silver, 3 Pack

Ar-15 Trigger Springs - Brn Ar-15 Trigger Spring - Brownells

Ar-15 Trigger Springs - Brn Ar-15 Trigger Spring

Brn-4(R) Bolt Assembly - Brn-4/Hk416 Bolt Assembly - Brownells

Brn-4(R) Bolt Assembly - Brn-4/Hk416 Bolt Assembly

Brn-15 Upper Receivers 5.56mm Nato - Brn-15 5.56mm 13.7'''' Bbl .750'''' Gas Block Upper Receiver - Brownells

Brn-15 Upper Receivers 5.56mm Nato - Brn-15 5.56mm 13.7'''' Bbl .750'''' Gas Block Upper Receiver

Ar-15/M16 Magazine Release Springs - Brn Ar-15 Magazine Catch Spring - Brownells

Ar-15/M16 Magazine Release Springs - Brn Ar-15 Magazine Catch Spring

Ar-15/M16 Buffer Springs - Brn M4 Buffer Springs, Stainless Steel, 3 Pack - Brownells

Ar-15/M16 Buffer Springs - Brn M4 Buffer Springs, Stainless Steel, 3 Pack

Ar-15 Heavy Carbine Buffers - Brn Ar-15 H2 Carbine Buffer - Brownells

Ar-15 Heavy Carbine Buffers - Brn Ar-15 H2 Carbine Buffer

Ar-15/M16 Ejector Springs - Brn Ar-15 Ejector Spring, Steel, 3 Pack - Brownells

Ar-15/M16 Ejector Springs - Brn Ar-15 Ejector Spring, Steel, 3 Pack

Ar-15 Heavy Carbine Buffers - Brn Ar-15 H3 Carbine Buffer - Brownells

Ar-15 Heavy Carbine Buffers - Brn Ar-15 H3 Carbine Buffer

Ar-15 Forward Assist Spring - Brn Ar-15 Forward Assist Spring, Steel - Brownells

Ar-15 Forward Assist Spring - Brn Ar-15 Forward Assist Spring, Steel

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