Grab A Gun is the name you know and trust when it comes to purchasing high quality accessories for your firearms. This particular upgrade such as this Aero Precision M4E1 Complete Upper will allow you upgrade your rifle the way you need it in either in the field, range, or combat.
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Pay in 4. Four Payments, no interest for purchases between $150 to $700. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Shoot Now, Pay Later® 4 Pay and Traditional Financing
Try Pay in 4 at 0% interest for purchases between $150 to $700. Or Select Easy installments up to 60 months. Approvals up to $10,000. No hard credit inquires for Pre-Approval. Apply and Buy Today!
Aero Precision APAR640221M4: The upper receiver on this build is our state-of-the-art M4E1 platform. The M4E1 upper receiver is a one-piece design combining the handguard mounting platform with the upper itself. Through superior engineering, we have condensed the parts needed to mount a free-floated handguard to a mere 8 screws. Since the handguard mounting surface and upper are of the same forging, not only is it a stronger system, but we are able to make additional lightning cuts to save weight and allow for more efficient cooling. The handguard that accompanies this upper is our Enhanced M-LOK (EM) Handguards provide a lightweight free float design for your custom AR15 build. The M-LOK system allows advanced modularity past the current 1913 Picatinny rail system. Machined to mil-spec dimensions and engineered to perfection, this handguard eliminates bulk while retaining strength and stability. The barrel on this upper is our 10" .300 Blackout Pistol Barrel is the perfect addition to your AR15 build. Crafted to mil-spec standards from 4150 Chrome Moly Vanadium with a QPQ corrosion-resistant finish, this barrel provides time-tested precision and accuracy for your AR15 .300 Blackout Pistol build. This upper does not come with a bolt carrier group or charging handle.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to WWW.P65WARNINGS.CA.GOV
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