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Buy it online at https://copsgunshop.net/shop/aero-precision-m4e1-threaded-upper-12-5-5-56-barrel-w-10-3-atlas-r-one-m-lok-hg-fde-cerakote/. All FFL rules and regs apply. Buyer pays shipping or sales tax. No trades.
This complete upper includes our 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. 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:
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- M4E1 Threaded Assembled Upper Receiver
- 10.3" M-LOK ATLAS S-ONE Handguard
- 12.5" 5.56 Government Profile CMV Barrel, Carbine Length
- Low Profile Gas Block and Carbine Length Gas Tube
- AR15 A2 Birdcage Flash Hider
- 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
M4E1 THREADED UPPER RECEIVER FEATURES:
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- 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
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ATLAS R-ONE HANDGUARD FEATURES:
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- 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
- Learn More about our NEW ATLAS Hanguards
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12.5" 5.56 BARREL FEATURES:
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- 5.56 Nato 12.5" 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
Aero Precision M4E1 THREADED UPPER, 12.5" 5.56 BARREL W/ 10.3" ATLAS R-ONE M-LOK HG - FDE CERAKOTE
