This Aero Precision M4E1 Threaded barreled upper receiver group comes with a 16” .223 Wylde fluted barrel and ATLAS S-ONE M-LOK handguard. It’s the perfect addition to your AR-15 build, and includes the forward assist and dust cover. The M4E1 threaded upper is made from forged 7075-T6 aluminum and features a billet machined look that matches the lower and handguard. The ATLAS S-ONE free float handguard is 15” and features a 1.3” inner diameter that surrounds the low profile gas block and mid-length gas tube. This barreled upper receiver group does not include BCG or charging handle, so you can choose your favorites for your build. Don’t miss out on this great product!
Aero Precision M4E1 Threaded Barreled AR-15 Upper .223 Wylde Fluted Mid-Length ATLAS S-ONE – 16″
- M4E1 threaded upper receiver
- Forged 7075-T6 aluminum
- Assembled forward assist and dust cover
- 15” ATLAS S-ONE M-LOK handguard
- Hardcoat anodized black
- 16” .223 Wylde fluted barrel
- Machined from 416R stainless steel
- Mid-length gas system
- 1:8 twist rate
- Threaded 1/2×28
- A2 flash hider
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