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

Barrel Length
Color
M4E1 300BLK Assembled Upper 16"BBL Threaded w/RM15" HG FDE
Brownells #
430103923
MFR #
APAR700715M14
UPC
840014602650
$534.99
Coupon Code
Purchase Limit Help

In stock

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Specifications
Finish:
Cerakote
Attachment Type:
M-LOK
Quantity:
1
Gas System Length:
Pistol
Cartridge:
300 AAC Blackout
Barrel Length:
16.00
Color:
Flat Dark Earth
Hand:
Right
Gas Block Diameter:
0.750 Inches
Twist:
1:7
Item Weight (lbs):
4.500
Receiver Style:
Assembled
Make Model Fit:
AR-15.Universal
Muzzle Threads:
5/8"x24
Restriction
Restricted Part:
Yes
Can we ship this to you? (US only)
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Description

This upper assembly includes Aero Precisions new ATLAS R-ONE Handguard! The R-ONE handguards are designed with size and weight in mind, while still providing plenty of real-estate to accommodate any attachment needs the end user may have. 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.

NOTE: This upper assembly does not include BCG or Charging Handle.

Includes:

  • M4E1 Threaded Assembled Upper Receiver
  • ATLAS R-ONE Handguard of choice
  • .300 Blackout CMV Barrel
  • Low Profile Gas Block
  • Product comes assembled
  • The muzzle brake that comes with this upper assembly 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 R-ONE Handguard Features:

  • Full top picatinny rail for optional attachments
  • 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

.300 Blackout Barrel Features:

  • 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 System Length: Pistol
  • M4 Feed Ramp Extension, HP and MPI Tested, Standard A2 Flash Hider

8" .300 Blackout Barrel Features:

  • Length: 8"
  • Gas Port: .109
  • Weight: 18oz

10" .300 Blackout Barrel Features:

  • Length: 10"
  • Gas Port: .0935
  • Weight: 21oz

16” .300 Blackout Barrel Features:

  • Length: 16"
  • Weight: 29oz

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

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