Aero Precision M4E1 Complete Upper, 16" Mid-Length Barrel, EM-15 Gen 2 HG CALIFORNIA LEGAL - .223/5.56

Aero Precision

Aero Precision M4E1 Complete Upper, 16" Mid-Length Barrel, EM-15 Gen 2 HG CALIFORNIA LEGAL - .223/5.56

CA Compliance: N/A
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$659.99
When required by law, the cost to make this product CA legal is included in the price above.

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SKU:
3984
Manufacturer Part #:
APAR640251M7
CA Compliance:
N/A
Caliber:
.223/5.56
Barrel:
16 in
Action:
Semi-Automatic
Color:
Black
Weight:
3.44 lbs
Product Type:
Gun

Shipping to California

  • Status: Complete upper with a barrel. Not a serialized firearm, but we ship it to a licensed dealer only.
  • Delivery: Ships to WBT in La Mesa or to the California gun store you choose; select your dealer at checkout. Not shipped to home addresses.
  • Learn more: Featureless or fixed magazine: which fits your build · FAQ

About this upper

Aero Precision M4E1 Complete Upper is an upper receiver chambered in .223/5.56 with a 16" barrel. Finish: Black.

Specifications

  • Brand: Aero Precision
  • Caliber: .223/5.56
  • Action: Semi-Automatic
  • Barrel: 16 in
  • Weight: 3.44 lbs
  • Finish / color: Black
  • Manufacturer part #: APAR640251M7

Buying from WBT Guns

  • Delivery: Complete uppers ship to a licensed dealer only. Free pickup at our La Mesa store, or select the California gun store you want it sent to at checkout.
  • Payment: Pay in full, put 50% down with the balance due in 14 days, or finance with Credova.
  • Questions: Call (619) 667-9453 or email sales@wbtguns.com. FAQ

WBT Guns is family-owned in La Mesa, California, and has shipped parts and receivers to California buyers since 2012.

A note on accuracy. We work hard to keep every listing correct, but specifications, images and compliance details come from many sources and can contain errors or change without notice. Images may show a configuration that is not California-legal. If a detail on this page matters to your decision, call us and we will confirm it against the actual firearm before you order. The compliance information here is general in nature and is not legal advice; California and local laws change, and the configuration described is confirmed at the time of sale. All sales are subject to applicable federal, state and local law and to the buyer's eligibility to purchase.

This complete upper includes our new ATLAS S-ONE Handguard! The S-ONE line of handguards are designed with size and weight in mind, providing the perfect addition to your lightweight build. Our proprietary ATLAS attachment system is a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability customers have grown to love from Aero Precision handguards. Includes: M4E1 Enhanced Assembled Upper Receiver 15" M-LOK Gen 2 Enhanced Handguard 16" 5.56 Mid-Length CMV Barrel Low Profile Gas Block and Mid Length Gas Tube Product comes assembled 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 (Anodized only) 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 Gen 2 Enhanced Handguard Features: 1pc free float design Built in anti-rotation tabs Scalloped rails Continuous top rail 1.78" inside diameter fits most muzzle devices and 1.5" suppressors Compatible with low profile gas blocks Gen 2 Feature - Quick disconnect sling socket at the 3, 6 and 9 o'clock positions Gen 2 Feature - Additional milling along flats to aid with gripping and add visual appeal Gen 2 Feature - New profile for the continuous picatinny top rail 16" 5.56 Mid-Length Barrel Features: 5.56 Nato 16" Midlength, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled .750 gas block journal Midlength gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider

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