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

Shop

Filters

Selected:

18"
Diamondback Firearms
Clear filters

Categories

No results found for:

Gun Parts 2
- AR Upper Parts 2
  - AR Barrels 2
Firearms 11
- Rifles 11
  - AR Rifles 10
  - Semi Auto Rifles 1

Stock Status

Show allShow in stock

In Store

Online Only 13

Caliber Gauge

No results found for:

.223 Wylde 3
.308 / 7.62 NATO 6
6.5mm Grendel 3
6MM ARC 1

Manufacturer

No results found for:

Model

No results found for:

Semi-Auto 10

Action

No results found for:

Semi-Auto 10

Barrel Length

No results found for:

10.5" 1
10" 10
11.50" 3
12" 2
16" 53
18" 13
2.80" 6
2" 5
20" 4
3.00" 1
3.10" 7
3.50" 3
3" 4
4.5" 2
4.50" 4
5.5" 1
5.50" 4
5" 1
7" 7
8" 6

Rate Of Twist

No results found for:

1-in-7 1
1:10" 6
1:7.5 1
1:7" 1
1:8" 3

Capacity

No results found for:

20 + 1 6
26 1
28 + 1 1
30 2
5 + 1 1

Showing 1–16 of 47621 results

DIAMONDBACK FIREARMS DB15O 6MMARC BLACK 18″ M-LOK
$967.00
Add to cart
DIAMONDBACK FIREARMS DB15 223WYLDE 30+1 18″ M-LOK
$734.00
Add to cart
DIAMONDBACK FIREARMS DB10D 308WIN BRONZE 18″ M-LOK
$1,548.00
Be notified when in stock
Diamondback DB15 Rifle – Black | .223 Wylde | 18″ SS Barrel | 15″ M-LOK Rail | MOE Stock | Magpul MOE Grip
$734.00
Be notified when in stock
DIAMONDBACK FIREARMS DB10BG 308WIN BRZ 18″ V RAIL
$1,231.00
Add to cart
DIAMONDBACK FIREARMS DB10BG 308WIN FDE 18″ V RAIL
$1,231.00
Add to cart
DIAMONDBACK FIREARMS DB10D 308WIN FDE 18″ M-LOK
$1,548.00
Add to cart
DIAMONDBACK FIREARMS DB10BG 308WIN BLACK 18″ V RAIL
$1,172.00
Add to cart
DIAMONDBACK FIREARMS DB10D 308WIN BLACK 18″ M-LOK
$1,498.00
Add to cart
DIAMONDBACK FIREARMS DB15BG 6.5GR FDE 18″ V RAIL
$926.00
Add to cart
DIAMONDBACK FIREARMS DB15BG 6.5GR BLACK 18″ V RAIL
$875.00
Be notified when in stock
DBB BBL 6.5GRENDEL 18 MID LENGTH BLK
$113.00
Add to cart
DBB BBL 223 WYLDE 18″ MID LENGTH BLK
$84.00
Add to cart

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?