Skip to main content Skip to footer

Search Suggestions

Sign In

0 $0.00 (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

AR Rifles

Filters

Selected:

AR Rifles
6.5mm Grendel
Clear filters

Categories

No results found for:

Ammunition Reloading 8
- Reloading Equipment 7
  - Reloading Dies 7
- Reloading Supplies 1
  - Reloading Brass 1
Gun Parts 8
Magazines 16
- AR Magazines 11
- Rifle Magazines 5
Ammunition 17
- Rifle Ammunition 17
Firearms 14
- Rifles 13
  - AR Rifles 6
  - Bolt Action Rifles 7
- Handguns 1
  - AR Pistols 1

Stock Status

Show allShow in stock

In Store

Online Only 6

Caliber Gauge

No results found for:

Manufacturer

No results found for:

Alexander Arms 2
CMMG 2
Diamondback Firearms 2

Model

No results found for:

Semi-Auto 5

Action

No results found for:

Semi-Auto 5

Barrel Length

No results found for:

16.1000 2
18 1
18" 2

Rate Of Twist

No results found for:

1:7" 1
1:8" 4

Capacity

No results found for:

10 3
28 + 1 1
5 + 1 1

Showing 1–16 of 955 results

ALEXANDER TACTICAL RIFLE 6.5 – GRENDEL 18″ DARK EARTH 10RD
$1,513.40 Free Shipping
Be notified when in stock
CMMG RIFLE RESOLUTE MK4 6.5 – GRENDEL 16.1″ 10RD ARMOR BLACK
$1,371.05 Free Shipping
Add to cart
CMMG RIFLE DISSENT BR4 6.5 – GRENDEL 16″ MAGPUL SGA BLACK – FREE SHIPPING
$1,460.30 Free Shipping
Add to cart
ALEXNDR ARMS 6.5 GREN BLK HNTR RFL
$1,251.83
Be notified when in stock
DIAMONDBACK FIREARMS DB15BG 6.5GR FDE 18″ V RAIL
$926.00
Be notified when in stock
DIAMONDBACK FIREARMS DB15BG 6.5GR BLACK 18″ V RAIL
$875.00
Be notified when in stock

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

Anti-spam by MXGuarddog

Design and Developed by FFL Funnels

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?