Big Fall Sale – Save up to 35% | Shop Now

Fast, Free Shipping on Orders over $139

90-Day No-Hassle Returns

Over 18,000 5-Star Reviews

Friendly Service from Firearms Experts

Popular:

handguard magpul buffer tube bcg charging handle foregrip pmag sling stock buffer

Sign In Create an Account

Cart

Sign In Create Account

Shop
Shop All 5,500+ firearms & accessories
- Firearms
  Shop All Firearms 475 products
- Optics, Lights, & Lasers
  Shop All Optics, Lights, & Lasers 576 products
- AR Lower Receiver Components
  Shop All AR Lower Receiver Components 1,100+ products
- AR Upper Receiver Components
  Shop All AR Upper Receiver Components 1,500+ products
- AR-15 Kits and Assemblies
  Shop All AR-15 Kits and Assemblies 195 products
- Handgun Parts & Accessories
  Shop All Handgun Parts & Accessories 450 products
  - Glock Upgrade Parts
    Shop All Glock Upgrade Parts 319 products
    
    Glock 43x Parts
    
    Glock 43 Parts
    
    Glock 48 Parts
    
    Glock 19 Parts
    
    Glock 17 Parts
    
    Glock 26 Parts
  - Sig Sauer Upgrade Parts
    Shop All Sig Sauer Upgrade Parts 118 products
    
    Sig P365 Parts
    
    Sig P365X Parts
    
    Sig P365X Macro Parts
    
    Sig P365XL Parts
    
    Sig P320 Parts
  - Springfield Upgrade Parts
    Shop All Springfield Upgrade Parts 40 products
    
    Springfield Hellcat Parts
    
    Springfield Hellcat Pro Parts
  - Handgun Barrels
  - Handgun Magazines
  - Handgun Slides
  - Handgun Triggers
  - Optic Mounting Plates
  - Pistol Frame Parts
  - Pistol Slide Parts
  - Pistol Holsters
  - Pistol Compensators
  - Handgun Magwells
  - Pistol Chassis
- Magazines
  Shop All Magazines 375 products
- Shooting & Range Gear
  Shop All Shooting & Range Gear 794 products
- More Ways to Shop
  Shop All More Ways to Shop 425 products
Sales
Daily Deals
Brands
Shop All Brands
Videos
What's New?
AT3 AR Academy
Resources
About AT3

Fast, Free Shipping on Orders over $139

Have a question? AR-15 Experts Standing By

Over 18,000 5-Star Reviews

Big Fall Sale – Save up to 35% | Shop Now

Home > American Tactical Imports - .223/5.56

American Tactical Imports - .223/5.56

X

Show In-Stock Only?

Price

Categories

AR-15 Upper Receiver Components
Lower Receiver Components for AR 15

Sort

Popularity Sort by latest Sort by price: low to high Sort by price: high to low Sort by Best Match

No products were found matching your selection.

CUSTOMER SERVICE

Get answers to your questions

Contact AT3
F.A.Q.
Return Policy
Shipping Policy
AT3 Lifetime Warranty
About AT3
Careers

RESOURCES

AT3 Gun Bucks
AT3 Affiliate Program
AT3 AR Academy
Installation Videos
Free E-Book
Military and Law Enforcement Discount
Become a Dealer
AT3 Dealer Portal
Accessibility Policy
Privacy Policy
Terms of Use

FOLLOW US

SIGN UP FOR THE AT3 MAILING LIST

News, special offers, exclusive discounts, and more!

Sign Up Now

© 2026, AT3 Tactical LLC -

5450 Quam Ave NE, Suite 140, St Michael MN 55376

(Not Open to Public)

Popular:

handguard magpul buffer tube bcg charging handle foregrip pmag sling stock buffer

Sign in

Orders, tracking, Gun Bucks and saved addresses.

Email

Password

Keep me signed in

Reset your password

We'll email you a link. It expires in 24 hours.

Email

Check your email

New to AT3? Create an account

Create an account

Track orders, earn Gun Bucks on every purchase, check out faster.

First name

Last name

Email

Password 8+ characters with at least one letter and one number.

Email me deals, new gear and Gun Bucks updates

By creating an account you agree to the Terms of Use and Privacy Policy.

Welcome,

Continue shopping

Go to my account

Already have an account? Sign in

Your cart

Subtotal

View cart Checkout