This complete upper receiver features the same tried-and-true construction and aesthetics as our M4E1 Threaded Upper Receivers, without provisions for a forward assist.
Includes:
M4E1...
Bullet Material
Jacketed Lead
CA Prop 65
1
Lead Free
No
Reloading Caliber
45 Cal
Reloading Diameter
.451"
Bullet Type
FMJ
...
This complete upper includes our Slimline Handguard. The slimline line of handguards have a unqiue milling profile, designed to maximize grip ergonimics and minimize weight while still providing...
Bullet Material
Copper
CA Prop 65
1
Lead Free
Yes
Reloading Caliber
277 Cal
Grain
127 gr
Rounds
50
Brand
Lehigh...
Bullet Material
Jacketed Lead
CA Prop 65
1
Lead Free
No
Reloading Caliber
22 Cal
Reloading Diameter
.224"
Bullet Type
BTHP
...
Bullet Material
Jacketed Lead
CA Prop 65
1
Lead Free
No
Reloading Caliber
22 Cal
Reloading Diameter
.224"
Bullet Type
OTM
...
Upgrade or start your AR15 build with this exclusive bundle, perfect for those looking to enhance their shooting experience while SAVING BIG! This combo includes a 7.3" M-LOK Handguard along with...
Upgrade or start your AR15 build with this exclusive bundle, perfect for those looking to enhance their shooting experience while SAVING BIG! This combo includes a 12" M-LOK Handguard along with a...
CA Prop 65
1
Reloading Caliber
308 Win
Rounds
2000
Brand
Hornady
Shop AR15 Bundle: 12.7" S-ONE Handguard - Clear Anodized w/Magpul Angled Foregrip and 13.9" 5.56 Mid Length Gov Barrel and more at AeroPrecisionUSA.com!
Bullet Material
Copper
CA Prop 65
1
Lead Free
Yes
Reloading Caliber
22 Cal
Reloading Diameter
.224"
Bullet Type
JHP
Grain...
Bullet Material
Jacketed Lead
CA Prop 65
1
Lead Free
No
Reloading Caliber
7.62x39mm
Reloading Diameter
.310"
Bullet Type
PSP...
Upgrade or start your AR15 build with this exclusive bundle, perfect for those looking to enhance their shooting experience while SAVING BIG! This combo includes a 10.3" M-LOK Handguard along with...
Shop M5 Bundle: Sniper Grey M5 Threaded Upper w/ Magpul Angled Foregrip and 24" 6.5 Creedmoore Stainless Steel Heavy Barrel and more at AeroPrecisionUSA.com!
Ready to take your AR15 build to the next level? These limited-edition bundles of premium AR15 parts are now available to Aero Customers at a MASSIVE DISCOUNT! Whether you're starting a brand new...
Bullet Material
Jacketed Lead
CA Prop 65
1
Lead Free
No
Reloading Caliber
30 Cal
Reloading Diameter
.308"
Bullet Type
FMJBT
...
Ready to take your AR15 build to the next level? These limited-edition bundles of premium AR15 parts are now available to Aero Customers at a MASSIVE DISCOUNT! Whether you're starting a brand new...
Shop AR15 Bundle: 16" 5.56 Carbine Length Stag Arms FSB Barrel w/ MOE M-LOK Handguard and MOE Enhanced Trigger Guard - FDE and more at AeroPrecisionUSA.com!
CA Prop 65
1
Count
50 ct
Grain
240 gr
Brand
Lehigh Defense
CA Prop 65
1
Reloading Caliber
6.5 Grendel
Rounds
50
Brand
Hornady