Skip to main content
Skip to footer
Search Suggestions
Sign In
1
$
1,999.99
(ex. tax)
Firearms
See All Firearms
Rifles
AR Style Rifles
AK Style Rifles
Bolt Action Rifles
Lever Action Rifles
Pump Action Rifles
Semi Auto Rifles
Single Shot Rifles
All Rifles
Handguns
Semi Auto Handguns
Revolvers
Single Shot Handguns
Derringers
AR Style Pistols
AK Style Pistols
All Handguns
Shotguns
Pump Action Shotguns
Semi Auto Shotguns
Side By Side Shotguns
Over Under Shotguns
Lever Action Shotguns
Single Shot Shotguns
Bolt Action Shotguns
All Shotguns
Optics & Sights
All Optics & Sights
Red dot
Scopes
Night Vision/Thermal
PART & ACCESSORIES
Magazines
AR Magazines
Gun Parts
Storage, Bags & Cases
Ammo
All Ammo
Pistol Ammo
Rifle Ammo
Shotgun Ammo
Rimfire Ammo
Reloading Supplies
FFL Transfers
About
Contact
AR15 Uppers
Filters
Selected:
AR15 Uppers
.300 AAC Blackout
Clear filters
Categories
No results found for:
Ammunition Reloading
1
Reloading Supplies
1
Reloading Bullets
1
Gun Parts
37
AR Upper Parts
21
AR Barrels
20
AR Muzzle Devices
1
AR15 Parts
6
AR15 Barrels
1
AR15 Uppers
4
Other AR15 Accessories & Parts
1
Other Gun Accessories & Parts
10
Magazines
10
AR Magazines
8
Rifle Magazines
2
Ammunition
66
Other Ammunition
1
Rifle Ammunition
65
Firearms
109
Rifles
53
AR Rifles
32
Bolt Action Rifles
14
Lever Action Rifles
1
Other Rifles
1
Pump Action Rifles
2
Semi Auto Rifles
1
Single Shot Rifles
2
Handguns
56
AR Pistols
31
Other Handguns
1
Semi Auto Handguns
23
Single Shot Handguns
1
Stock Status
Show all
Show in stock
In Store
Online Only
1
Caliber Gauge
No results found for:
.22 LR
1
.223 REM/5.56 NATO
70
.223 Wylde
5
.300 AAC Blackout
4
.308 / 7.62 NATO
2
.338 ARC
1
.350 Legend
3
.410 Bore
1
.450 Bushmaster
1
.458 Socom
1
.50 Beowulf
2
300 ACC BLACKOUT
4
6.5mm Grendel
1
6MM ARC
3
7.62 x 39mm
3
9mm
12
MULTI-CAL
1
Multi-Caliber
7
Manufacturer
No results found for:
Daniel Defense
1
Maxim Defense Industries
1
Radian Weapons
2
Barrel Length
No results found for:
10.3"
1
5.5"
1
9"
2
Rate Of Twist
No results found for:
1-in-8"
1
Showing 1–16 of 208 results
Default sorting
Sort by popularity
Sort by latest
Sort by price: low to high
Sort by price: high to low
MAXIM PDX UPPER 300BLK 5.5″ BLK
$
1,165.50
Add to cart
RADIAN UPPER 9″ 300 BLK ODG
$
1,829.95
Add to cart
RADIAN UPPER 9″ 300 BLK BROWN
$
1,829.95
Add to cart
DANIEL DEFENSE DDM4 300S URG 300BLK 10.3″
$
1,351.00
Add to cart
Welcome to E-Commerce Arms, in order to browse our site you must be at least 18 years of age.
Are you at least 18 years old?
Yes
No
