Aero Precision M4E1-E Complete Upper, 10.5" 5.56 Barrel, Quantum 9" M-LOK HG - FDE - APAR640112M2 Review

About Aero Precision M4E1-E Complete Upper, 10.5" 5.56 Barrel, Quantum 9" M-LOK HG - FDE - APAR640112M2

This Complete Upper includes our Quantum Handguard! Key features include the addition of built in anti-rotation tabs, removable 4-slot picatinny rail section for front sight and a 7 mounting surface for accessories. Includes: M4E1 Enhanced Assembled Upper Receiver Quantum Handguard of choice 10.5″ 5.56 CMV Barrel Low Profile Gas Block and Carbine Length Gas Tube Product comes assembled This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the FINISH YOUR BUILD tab The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel. Per the National Firearms Act, the muzzle brake MUST be pinned and welded to achieve the necessary 16″ as defined by the ATF for a rifle build. M4E1 Upper Features: Forged from 7075 T6 aluminum Precision machined to M4E1 specs M4 feedramps Matte black hard coat anodized Mil 8625 Type 3 Class 2 Laser engraved T-marks Comes assembled, with port door and forward assist installed Accepts standard AR15/M16 components Handguard mounting platform is forged into the receiver Works with Aero Precision handguards but also fits most BAR-system handguards Barrel nut and wrench are included Quantum Handguard Features: 1pc free float design Removable 4-slot picatinny rail section for front sight Built in anti-rotation tabs 7 mounting surfaces for KeyMod accessories 1.78″ inside diameter fits most muzzle devices and 1.5″ suppressors Compatible with low profile gas blocks 10.5″ 5.56 Barrel Features: 5.56 Nato 10.5″ Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled .750 gas block journal Carbine length gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider

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