
SKU: APAR610599M2
AR15 10.5" 5.56 No Forward Assist Complete Upper w/ 9.3" S-ONE Handguard - Kodiak Brown Anodized
$595.00
This AR15 Complete Upper Receiver, paired with the ATLAS S-ONE handguard streamlines the appearance of your next AR15 build by removing the Forward Assist. By combining our lightest handguards and barrel profiles with the No Forward Assist Upper Receiver you can maximize the weight savings for your next build.
- AR15 Assembled Upper Receiver with No Forward Assist
- 9" M-LOK ATLAS S-ONE Handguard
- 10.5" 5.56 CMV Barrel
- Low Profile Gas Block and Carbine Length Gas Tube
- Product comes assembled
- This complete upper does not include BCG or Charging Handle. These products may be selected as add-ons under the Finish Your Build tab
- The muzzle brake that comes with this complete upper receiver is NOT pinned nor welded to this barrel.
- M4 Feedramps
- .250 takedown pin holes
- Laser engraved T-marks
- No forward assist provisions
- Port Door Installed
- Front & 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
- Learn More about our NEW ATLAS Hanguards
- 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
NOTE: This part features a colored anodized finish. These finishes are held to different aesthetic standards than parts finished in black anodizing or Cerakote. For more information on colored anodizing visit our Knowledge Center.
Includes:
AR15 Upper Receiver With No Forward Assist Features:
ATLAS S-ONE Handguard Features:
10.5" 5.56 Barrel Features:

Tang Height | No |
---|---|
Muzzle Device Pinned | No |
ATF Regulated | No |
FFL Item | No |
Made In America? | Yes |
Platform | AR15 |
Series | R-ONE/S-ONE |
Caliber | 5.56 NATO |
Barrel Length | 10.5" |
Finish | Kodiak Brown Anodized |
Weight(s) | - |
Other | N/A |