Builds that use this part

AR-15 M4E1 Stripped Upper Receiver Black 5.56mm · All completed builds

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Uses: AR-15 M4E1 Stripped Upper Receiver Black 5.56mm

Aero FDE 8.5-inch 300 Blackout Pistol with Seekins Controls

u/mpete1122Nov 3, 2026

1 photo0 comments

Wilson Combat 8-inch 300 Blackout Pistol on an Aero M4E1 Upper

u/DeepEastTxAgNov 3, 2026

1 photo0 comments

Geissele 11.5-inch MK16 Pistol on a Griffin MK2 Lower with Rhino S

u/jarlbronsonOct 31, 2026

1 photo0 comments

Aero M4E1 14.5-inch Hanson P&W with BCM MCMR-13

u/ChickenFeetEnjoyerOct 2, 2026

1 photo0 comments

Modern M16

MyGunLabAug 22, 2021

1 photo0 comments