Skip to main content Skip to footer

Search Suggestions

Sign In

50 $29,495.18 (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
PART & ACCESSORIES
Ammo
FFL Transfers
About
Contact

AR15 Parts

Filters

Selected:

AR15 Parts
.223 REM/5.56 NATO
Clear filters

Categories

No results found for:

Ammunition Reloading 28
- Reloading Equipment 24
- Reloading Supplies 4
  - Reloading Brass 4
Class 3 Firearms, NFA & Destructive Devices 10
- Class 3 Parts & Accessories 10
Gun Parts 294
Magazines 308
Scopes, Sights & Optics 22
- Gun Scopes 19
- Scope Accessories & Scope Parts 3
Shooting Supplies 10
- Gun Cleaning Kits & Gun Cleaning Supplies 8
- Gunsmithing Tools & Gunsmith Supplies 2
Ammunition 173
- Other Ammunition 2
- Rifle Ammunition 171
Firearms 833

Stock Status

Show allShow in stock

In Store

Online Only 66

Caliber Gauge

No results found for:

.223 REM/5.56 NATO 116
.308 / 7.62 NATO 7
300 ACC BLACKOUT 5
50 BEOWULF 2
6.5mm Grendel 2
6.8mm SPC 1
6MM ARC 3
7.62 x 39mm 3
9mm 23
AR-15/M16/M4 1
AR-15/M16/M4 Standard Handguard 1
Multi 11
MULTI CALIBER 2
MULTI-CAL 26
Multi-Caliber 13

Manufacturer

No results found for:

Aero Precision 6
Battle Arms Development 6
Bravo Company Mfg / BCM 1
Bushmaster 4
Daniel Defense 10
Faxon Firearms 12
FightLite Industries 1
Geissele Automatics 5
Lantac USA 2
Luth-AR 2
Midwest Industries 1
Patriot Ordnance Factory 3
Radian Weapons 5
San Tan Tactical 2
Silencer Co 1
Sons of Liberty Gun Works 3
Spikes Tactical 1
VKTR Industries 1
Wilson Combat 1

Model

No results found for:

Semi-Auto 10

Action

No results found for:

Semi-Auto 10

Barrel Length

No results found for:

10.3" Government 2
10.30" 1
10.5 3
10.5" 2
10.50" 2
11.5 1
11.5" 2
11.5" Government 1
12.5" 1
13.7" Pinned (16" OAL) 1
13.9" Pinned (16" OAL) 1
14.5" M4 1
14.5" Pinned (16" OAL) 3
14.7" Pinned (16" OAL) 1
16 4
16.50" 1
16" 16
18" 1
20 1
24" 1

Rate Of Twist

No results found for:

1-7 2
1-8 5
1-in-7" 8
1-in-8 2
1:7" 8
1:8" 3

Showing 33–48 of 455 results

FAXON AR15 BARREL 5.56 NATO – 16″ 1:8 SOCOM PROFILE BLK
$161.00
Add to cart
FAXON AR15 BARREL 5.56 NATO – 14.5″ 1:8 GUNNER PROFILE BLK
$156.75
Add to cart
FAXON AR15 BARREL 5.56 NATO – 11.5″ 1:8 GUNNER PROFILE BLK
$151.80
Be notified when in stock
FAXON AR15 BARREL 5.56 NATO – 10.5″ 1:8 PENCIL PROFILE BLK
$151.80
Add to cart
AERO PRECISION M4E1 STRIPPED – UPPER RECEIVER ANODIZED BLACK
$134.99
Add to cart
DANIEL DEFENSE GRIP-N-RIP 5.56 CHARGE HANDLE
$108.00
Add to cart
WILSON AR-15 FORGED UPPER
$87.95
Be notified when in stock

←
1
2
3

Website open 24/7.
We answer calls and emails Monday–Friday (Mountain Time), and weekends when needed.
You’ll talk to one of our owners, every single time.
If we miss you, we’ll personally call you back!

844-321-GUNS (4867)
customerservice@ecommercearms.com

Shop

My Wishlist
Cart

Resources

Privacy Policy
Terms of Service
Store Policies
Shipping Policy
FFL Policy

My Account

Account

Copyright © 2025 • E-Commerce Arms

German MXGuardDog

Website by FFL Funnels.

Follow us on YouTube
Follow us on X

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?