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AERO PRECISION M4E1 .300BLK ASSEMBLED UPPER RECEIVER W/ATLAS S-ONE HANDGUARD

Barrel Length
M4E1 300BLK Assm Upper Gov 10"BBL Pistol-Length Threaded Blk
Brownells #
100054454
MFR #
APAR700302M4
UPC
840014601745
$554.99
Coupon Code
Purchase Limit Help

In stock

Can we ship this to you? (US only)
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Specifications
Item Length (Inches):
10.000
Cartridge:
300 AAC Blackout
Barrel Length:
10.00
Attachment Type:
M-LOK
Make Model Fit:
AR-15.Universal
Finish:
Anodized
Barrel Contour:
Government
Material:
Aircraft Aluminum
Receiver Style:
Assembled
Gas Block Diameter:
0.750 Inches
Color:
Black
Twist:
1-7
Muzzle Threads:
5/8"x24
Gas System Length:
Pistol
Item Weight (lbs):
1.313
Quantity:
1
Restriction
Restricted Part:
Yes
Can we ship this to you? (US only)
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Description

This assembled upper includes Aero Precision’s 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. Their 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.

FEATURES:

  • M4E1 Threaded Assembled Upper Receiver
  • 7"" M-LOK ATLAS S-ONE Handguard with 7” .300 Blackout CMV Barrel OR
  • 9"" M-LOK ATLAS S-ONE Handguard with 10"" .300 Blackout CMV Barrel OR
  • 12"" M-LOK ATLAS S-ONE Handguard with 16"" .300 Blackout CMV Barrel
  • Low Profile Gas Block and Pistol Length Gas Tube in all makeups.
  • This assembled upper does not include BCG or Charging Handle.
  • The muzzle brake that comes with this assembled upper receiver is NOT pinned nor welded to this barrel.

M4E1 Threaded Upper Receiver Features:

  • New enhanced forging that gives the upper receiver a ""billet look""
  • New picatinny profile that blends seamlessly with Aero's Enhanced Series Handguards
  • M4 Feedramps
  • .250 takedown pin holes
  • Laser engraved T-marks
  • Includes port door and forward assist installed

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
  • Compatible with low profile gas blocks
  • 1.3” Inside diameter
  • 1.5” Outside diameter
  • Compatible with mil-spec AR15 upper receivers and barrels

8" .300 Blackout Barrel Features:

  • Length: 8""
  • Twist: 1 in 7
  • Muzzle: 5/8x24 Threaded
  • Material: 4150 Crome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out
  • Gas Block: .750
  • Gas Port: .109
  • Gas System Length: Pistol
  • Weight: 18 oz
  • M4 Barrel Extension
  • HP and MPI Tested

10" .300 Blackout Barrel Features:

  • Length: 10""
  • Twist: 1 in 7
  • Muzzle: 5/8x24 Threaded
  • Material: 4150 Crome Moly Vanadium
  • Finish: QPQ corrosion resistant finish both inside and out
  • Gas Block: .750
  • Gas Port: .0935
  • Gas System Length: Pistol
  • Weight: 21
  • M4 Barrel Extension
  • HP and MPI Tested

16” .300 Blackout Barrel Features:

  • Chamber: .300 Blackout
  • Length: 16""
  • Material: 4150 Chome Moly Vanadium
  • Finish: QPQ Corrosion Resistant Finish
  • Gas System Length: Pistol
  • Gas Block Journal: .750""
  • Twist Rate: 1:7 Inches
  • Muzzle: 5/8x24 Threaded
  • Weight: 29 oz
  • M4 Feed Ramp Extension, HP and MPI Tested, Standard A2 Flash Hider

Restricted Part
Please check with your state regulations for ownership of Restricted Parts. May require documentation.

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