Skip to content
To take full advantage of this site, please enable your browser's JavaScript feature.
Learn how
Login/My Account
DEALS OF THE DAY
Live Inventory
RightToBear.com
Toggle mobile menu
Search store
Submit search
MY CART
Live Inventory - No Backorders ever!
Contact Us
My Account
Wish List
DEPARTMENTS
Bipods
Featureless States
FIREARMS / RECEIVERS
AR RECEIVERS
AR15 LOWER RECEIVERS
AR10 / 308 LOWER RECEIVERS
AR TYPE PISTOLS
HANDGUNS
LEFT HANDED STORE
Lights - Weapon Lights
Magazines
Sights - Optics - Mounts
IRON SIGHTS
Magnifiers
Mounts
Red Dot Sights
Slings & Sling Accessories
TOOLS & CLEANING SUPPLIES
Tools
Cleaning Supplies
AR15 Parts
80% Lower Receivers
80% LOWER RECEIVERS
80% GLOCK PISTOL FRAMES
GLOCK SLIDES - BARRELS - SIGHTS - TOOLS
JIGS & TOOLS
CERAKOTE RECEIVER SETS
Serial Number / Compliance
Barrels
223/5.56 BARRELS
PISTOL / SBR BARRELS - .223/5.56
16" & LONGER BARRELS
300 BLACKOUT BARRELS
PISTOL / SBR BARRELS - .300 BLK
16" OR LONGER BARRELS - .300 BLK
AR10 / 308 WIN
.22LR BARRELS
PISTOL / SBR BARRELS - .22 LR
.224 VALKYRIE
7.62x39 BARRELS
PISTOL / SBR BARRELS - 7.62x39
6.5 CREEDMOOR
6.5 GRENDEL
9MM BARRELS
PISTOL / SBR BARRELS - 9MM
PARTS AND ACCESSORIES (Barrel Nuts, etc.)
Buffer Tube Parts & Kits
BUFFER TUBE KITS
BUFFER SPRINGS
CLICK FOR COLOR CODED BUFFER SPRINGS
BUFFERS
PISTOL BRACES & PARTS
STOCK + BUFFER TUBE KIT COMBO
BUFFER TUBE PARTS & KITS
STOCKS
BUILD KITS
RIFLE / PISTOL BUILD KITS
LOWER BUILD KITS
Bolt Carrier Groups (BCGs)
223 / 5.56 / 300 BLK
AR10 / AR308
.22LR
.458 SOCOM
6.5 GRENDEL
6.8 SPC / .224 VALKYRIE
7.62X39
9MM
LIGHTWEIGHT
SMALL PARTS
Charging Handles
Gas System Parts
Gas Blocks
ADJUSTABLE GAS BLOCKS
Gas Tubes
Grips
PISTOL GRIPS
FORE GRIPS
Handguards & Rails
Drop In Handguards
KeyMod Handguards
KEYMOD 7" OR LESS
KEYMOD 8" - 9"
KEYMOD 10" - 12"
KEYMOD 13" OR LONGER
M-LOK Handguards
M-LOK 7" OR LESS
M-LOK 8" - 9"
M-LOK 10" - 12"
M-LOK 13" OR LONGER
Quad Rails
Handguard Accessories
KeyMod Accessories
M-LOK Accessories
Lower Receiver Parts (LPK)
LOWER PARTS KITS (LPK)
LOWER BUILD KITS
BUFFER TUBE KITS & PARTS
TRIGGERS
SMALL PARTS AND ACCESSORIES
ANTI-ROTATION PINS
Safety Levers
Trigger Guards
Takedown / Pivot Pins
BOLT CATCHES
MAG CATCH / BUTTONS
Magazines
.223 / 5.56 / 300 BLK
AR308 / AR-10
.45 ACP
.458 SOCOM
6.5 GRENDEL
6.8 SPC / 224 Valkyrie
7.62x39
9mm
.22 LR
10 ROUND OR LESS
Muzzle Devices
223 / 5.56 MUZZLE DEVICES
.308 / 7.62X39 / 300 BLACKOUT
9MM MUZZLE DEVICES
3-Lug Adapters
AR PISTOL PARTS
Stocks
STOCKS
BUFFER TUBE PARTS & KITS
PISTOL BRACES, PISTOL BUFFER TUBES, ETC.
STOCK + BUFFER TUBE KIT COMBO
Triggers
Upper Receivers & Parts
UPPER RECEIVERS
Click For Engraved Upper Receivers
Barreled Upper Receiver Groups
CHARGING HANDLES
AR-15
AR-10 / AR-308
HARDWARE, DOORS & SMALL PARTS
ENGRAVED PORT DOORS
GAS SYSTEM PARTS
Nickel Boron & Nickel Teflon
Titanium & Lightweight
OTHER CALIBERS
.22LR
Complete .22LR Upper Groups
300 BLACKOUT
AR-10 / .308
45 ACP
458 Socom
5.7 x 28mm
6.5 Grendel
6.5 Creedmoor
6.8 SPC / .224 Valkyrie
7.62x39
9mm
Pistol Braces / Parts
PISTOL BRACES/ PISTOL BUFFER TUBES
.223/5.56 - PISTOL / SBR BARRELS
.300 BLACKOUT - PISTOL / SBR BARRELS
.22 LR - PISTOL / SBR BARRELS
9MM - PISTOL / SBR BARRELS
7.62x39 - PISTOL / SBR BARRELS
ENGRAVING SHOP
Engraved Lower Receivers
Engraved Upper Receivers
Engraved Port Doors / Completion Kits
Click Here For Engraved Completion Kits
Click Here for ENGRAVED PORT DOORS
Serial Number / Compliance
DELAYED BLOWBACK
Glock Store
80% GLOCK FRAMES
Lower Parts, Triggers, Pins, etc.
Triggers & Parts
SLIDES
SLIDE PARTS - GUIDE RODS - STRIKERS, ETC.
SIGHTS
Sights
BARRELS
Magazines
Tools
Brands
80 Percent Arms
5D Tactical Jigs
2A Armament
Aero Precision
Aimpoint Red Dot Sights
American Defense Manf
Ameriglo
Anderson Manufacturing
ASC
B5 Systems
Ballistic Advantage
Bear Creek Arsenal
Battle Arms Development
Birchwood Casey
Bravo Company (BCM)
CMMG
CMC Triggers
Daniel Defense
FAB Defense
Fail Zero
FAXON FIREARMS
Geissele Triggers & Rails
GHOST INC.
GREY GHOST PRECISION
Hera USA
Hogue
Holosun
Hoppe's
KAK Industries
Kaw Valley Precision
KNS Precision Parts
Lancer
LANTAC
Leapers UTG
Magpul
Midwest Industries
Mission First
Noveske
ODIN Works
Otis
Overwatch Precision
Polymer 80
Primary Arms
Pro-shot
Radian - Raptor
Right To Bear Products (RTB)
RTB Barrels
Rock River Arms
SB Tactical
Seekins Precision
SLR Rifleworks
Spike's Tactical
SPRINCO SPRINGS
Streamlight
Strike Industries
Superlative Arms
TekMat
Toolcraft BCGs
Trijicon
TROY
ULTRADYNE USA
VG6 Precision
WMD GUNS
Yankee Hill Machine (YHM)
Specials
DEAL OF THE DAY
Popular Items
Free Shipping Products
Home
>
AR15 Parts
>
Upper Receivers & Parts
>
Aero Precision M4E1 Threaded 10.5" 5.56 Barreled Upper Receiver w/ 9" M-LOK ATLAS R-ONE
Alternative Views:
MSRP $434.99
SALE PRICE: $
429.95
Savings: $5.04
Stock Status
:
(Out of Stock)
Product Code:
APAR700702M2
Qty:
Email me when Back-In-Stock
Description
M4E1 Threaded 10.5" 5.56 Barreled Upper Receiver w/ 9" M-LOK ATLAS R-ONE
This barrled upper includes the 9" 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. ATLAS attachment systems are a durable and dependable mounting platform, maintaining a slim profile while still providing the strength and stability.
Be sure to use the link below to choose a BCG and charging handle as this upper does not come with either.
Click here for Charging Handles
Click here for Bot Carrier Groups
Includes:
M4E1 Threaded Assembled Upper Receiver
ATLAS S-ONE Handguard of choice
10.5" 5.56 CMV Barrel
Low Profile Gas Block and Carbine Length Gas Tube
Product comes assembled
The muzzle brake that comes with this upper receiver is NOT pinned nor welded to this barrel.
This upper does not include BCG or Charging Handle.
M4E1 Threaded Upper Receiver Features:
New enhanced forging that gives the upper receiver a "billet look"
New picatinny profile that blends seamlessly with our 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
10.5" 5.56 Barrel Features:
5.56 Nato 10.5" Barrel, 1/7 twist, 4150 CrMoV, QPQ, gas port drilled
.750 gas block journal
Carbine length gas system, .0785 gas port
M4 Feed Ramp Extension
HP and MPI tested
Standard A2 flash hider
All NFA/ATF Rules Apply
Depending on your state and local laws, you could use this barrel with a lower receiver that is a Registered SBR, or Pistol. Possession of this barrel along with a Non-NFA lower receiver may be Prohibited. We are not lawyers and the above information is not legal advise. Make sure you understand the most up to date federal, state and local laws before proceeding with this product.
Related Items
Aero Precision Stripped AR-15 Upper Receiver
Seekins Precision Billet SP-223 Upper
Radian Raptor Ambidextrous Charging Handle - .223 - 5.56
Nickel Teflon Upper Receiver (M4 Flat Top) - Complete ***BLEM***
Our Price:
$79.99
Add
SALE PRICE: $220.00
Add
SALE PRICE: $85.45
Add
SALE PRICE: $99.99
FREE SHIPPING APPLIES TO ENTIRE CART
Add
Spikes Tactical Melonited Treated Black Mil Spec Gas Tube (Pistol)
M4 Flat Top Upper Receiver – Stripped (Raw)
SLR Rifleworks Sentry 6 Set Screw Adjustable Gas Block - .625
Strike Forward Assist - Red
SALE PRICE: $14.40
Add
SALE PRICE: $39.99
Add
SALE PRICE: $109.99
Add
SALE PRICE: $17.95
Add
Share your knowledge of this product.
Be the first to write a review »