Aero Precision M4E1 Threaded 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

Aero Precision

Aero Precision M4E1 Threaded 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK ATLAS S-ONE Handguard CALIFORNIA LEGAL - .223/5.56

CA Compliance: N/A
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$519.99
When required by law, the cost to make this product CA legal is included in the price above.

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SKU:
4074
Manufacturer Part #:
APAR712105M7 / APPG712105M7
CA Compliance:
N/A
Caliber:
.223/5.56
Barrel:
16 in
Action:
Semi-Automatic
Color:
Black

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 Threaded 16" 5.56 Mid-Length No Forward Assist Complete Upper Receiver w/ 15" M-LOK ATLAS S-ONE Handguard 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
  • Finish / color: Black
  • Manufacturer part #: APAR712105M7 / APPG712105M7

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 receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist. The included ATLAS S-ONE Handguard is designed with size and weight in mind. Featuring a trimmed down top rail to help minimize weight and overall profile. 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 Threaded Upper Receiver, No Forward Assist 15" ATLAS S-ONE Handguard 16" 5.56 CMV Barrel Low Profile Gas Block and Mid-Length Gas Tube Port Door Assembly A2 Flash Hider This complete upper receiver does not include BCG or Charging Handle. M4E1 Threaded, No Forward Assist Upper Receiver Features: No Forward Assist Custom enhanced forging that gives the upper receiver a "billet look" while maintaining the structural integrity of a forged part. Picatinny profile that blends seamlessly with our Enhanced and ATLAS Series Handguards M4 Feedramps .250 takedown pin holes ATLAS S-ONE Handguard Features: Front and rear picatinny rail Eliminated center of top rail for weight reduction Indexing grooves in 12:00 position for positive grip control Quick disconnect sling socket at the 3, 6 and 9 o'clock positions 1.3" Inside diameter 1.5" Outside diameter Compatible with mil-spec AR15 upper receivers and barrels MLOK attachment points 16" 5.56 Barrel Features: 5.56 NATO 16" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled .750 gas block journal Mid length gas system, .0785 gas port M4 Feed Ramp Extension HP and MPI tested Standard A2 flash hider

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