Aero Precision M4e1 Assembled Upper Receiver 5.56 Mid Length M4e1 Assembled Gen 2 Upper Receiver 14.5 Mid Length US Specifications







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Aero Precision M4e1 Assembled Upper Receiver 5.56 Mid Length M4e1 Assembled Gen 2 Upper Receiver 14.5 Mid Length US Specifications

Aero Precision M4e1 Assembled Upper Receiver 5.56 Mid Length M4e1 Assembled Gen 2 Upper Receiver 14.5 Mid Length US Specifications


Rifle Upper Receivers by Aero Precision



Technical data & information: Aero precision's m4e1 5.56mm mid-length upper receiver comes fully assembled, lacking only a bolt/carrier group and charging handle, the two components most often replaced by customizers. "mid-length" refers to the gas tube, which is longer than the standard carbine tube to slow down gas velocity and actually improve reliability in cycling. This is actually a carbine upper, available with either a military 14.5" or civilian 16" barrel (see gun tech note below). The core of the m4e1 5.56mm mid-length upper receiver is aero's forged m4e1 receiver that combines the looks of a machined receiver with "mil-spec" parts compatibility (including bcg mfg: aero precision. US specification & reliable quality rifle upper receivers by Aero Precision. Part Nr: APAR640231M5.

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