Menu
MMC Armory
My Account Live Chat Email
Follow Us
Have a Question? +1 (833) 989-3380
0 item(s) in Cart   •   TOTAL: $0
Search
Search
  • Products
    • Complete Handgun Slides
    • AR-15 & LR-308/AR-10 Lower Parts
    • 1911 PARTS
    • 80% Lowers & Frames
    • Air Gun(s) + Products
    • AK/AKM Products
    • Apparel/Threads
    • AR-15 & LR-308 Upper Build Kits
    • AR-15/LR-308 Upper Build Starter Kits
    • AR-15/LR-308/AR-10 Lower Parts
    • AR-15/LR-308/AR-10 Uppers and Upper Parts
    • AR-15/LR-308 Upgrade Kits
    • AR-15/LR-308 Ambidextrous Parts
    • Bags & Gear
    • Barrels
    • BCG & Charging Handle Combos
    • Bipod
    • Body Armor
    • Buffer System Parts
    • Bolt Carrier Groups (BCG) & Parts
    • Charging Handles
    • Combos
    • Conversion Kits
    • DIY Pistol Kits
    • Ejection Port Doors
    • Finish Your Build Kit
    • Fishing Gear
    • Furniture
    • Gas Blocks/Gas Tubes
    • Glock Compatible Kits, Parts, & Accessories
    • Grips
    • Handguards
    • Handguns/Other Firearms Parts
    • Knives
    • Laser Engraved AR-15 Products
    • Lights/Lasers
    • Magazines
    • Mounts
    • Muzzle Devices
    • Odd Ball Combos
    • Plate Carriers / Protective Gear
    • Preparedness Packs
    • Reloading Supplies
    • Scopes / Sights / Optics
    • Self Defense/Less-Lethal
    • Shooting Training
    • Slings
    • Stocks and Pistol Braces
    • Survival Gear
    • Tactical Gift Boxes
    • Targets
    • Tools
    • Triggers
  • AR-15 & LR-308 Upper Builds
    • Top Shelf | AR-15 & LR-308/AR-10 Upper Build Kits
    • All AR-15 & LR-308/AR-10 | Upper Builds by Caliber
    • AR-15 & LR-308/AR-10 | 80% Upper Build Kits
    • AR-15 & LR-308 | Full Build Kits (Everything Minus Lower)
    • AR-15 & LR-308/AR-10 | Complete Upper Build Kits
    • AR-15 & LR-308/AR-10 | Upper Build Kits
    • Upper Build Kit Sale
    • Budget Builds $199.99 and Under
    • AR-15 A2 Retro Style Upper Build Kits
    • AR-15 Side Charging Upper Receiver Builds
    • AR-15 Upper Build Kit - Left Hand Ejection
    • Pre-Assembled Upper Builds
    • Upper Build Kits w/Optic
  • Complete Guns
    • Pistols & Handguns | Complete Guns
    • Rifles | Complete Guns
  • Lower Receivers
    • Receiver Sets
    • Lower Build Kits
    • Stripped Lower Receivers
    • Full Guns
  • Calibers
    • Shop By | 5.56 NATO
    • Shop By | .22 Nosler
    • Shop By | .223 Wylde / 5.56 NATO
    • Shop By | .243 WIN
    • Shop By | .300 Blackout
    • Shop By | .308 WIN
    • Shop By | .350 Legend
    • Shop By | .40 S&W
    • Shop By | .45 ACP
    • Shop By | .450 Bushmaster
    • Shop By | .458 Socom
    • Shop By | 6mm ARC
    • Shop By | 6.5 Creedmoor
    • Shop By | 6.5 Grendel
    • Shop By | 7.62x39mm
    • Shop By | 9mm
  • Shop by Brands
    • Bravo Company (BCM)
    • 2A Armament
    • 3rd Gen Tactical
    • A*B Arms
    • Adaptive Tactical
    • Aero Precision
    • American Trigger Corporation
    • Anderson Mfg.
    • Armaspec
    • B5 Systems
    • Ballistic Advantage
    • Battle Arms Development
    • Benchmade Knives
    • Black Arch
    • Black Beard
    • Bravo Company
    • BSF Barrels
    • CAA (Micro Roni)
    • Christenson's Lake Shore Tackle Co.
    • Cloud Defensive
    • CMMG
    • C.R.K.T. Knives
    • Crosman
    • Decibullz
    • Ergo
    • FAB Defense
    • Faxon Firearms
    • Fortis Manufacturing
    • Geissele Automatics
    • Gel Blaster
    • Guard Dog Body Armor
    • Guntec USA
    • Helius Tactical
    • Hiperfire
    • Hogue
    • Holosun
    • James Madison Tactical
    • JE Machine
    • KA-BAR
    • KAK Industry
    • Kaw Valley Precision
    • Kershaw Knives
    • Lancer Systems
    • Live Free Armory
    • Lone Wolf
    • Luth-AR
    • Magpul
    • MagStorage Solutions
    • MantisX
    • Mercury Precision
    • Midwest Industries
    • Mission First Tactical
    • MTN OPS
    • MVB Industries
    • NcStar/VISM
    • North American Rescue
    • Northtac
    • Odin Works
    • Phase 5
    • Polymer80
    • Rapid Rope
    • Real Avid
    • Recoil Technologies
    • Rise Armament
    • Ruger
    • SB Tactical
    • Sig Sauer
    • Slip 2000
    • Smith's
    • Spike's Tactical
    • Spyderco Knives
    • Strike Industries
    • Swampfox Optics
    • Sylvan Arms
    • Tacfire
    • Talon Grips Inc.
    • Taran Tactical
    • Team Accessories Corp
    • TF Tactical
    • Timber Creek
    • Trinity Force
    • Troy Industries
    • Ultimate Survival Technologies
    • Ultradyne
    • Umarex
    • Unique-ARs
    • UTG Leapers
    • Walker's
    • Wiley X
    • Yankee Hill Machine
Search

Top Sellers

US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
US Tactical Ind. Enhanced Stainless Steel 5.56/9mm Firing Pin Retainer
$9.99 $2.99
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
Recoil Technologies AR-15 5.56/.223/.300/.350 Complete Bolt Carrier Group
$199.99 $79.99
(12)
Magpul PMAG M3 AR-15/M4 5.56/.223 10 Round Magazine - Black
Magpul PMAG M3 AR-15/M4 5.56/.223 10 Round Magazine - Black
$14.99 $14.49
Magpul PMAG 30 AR/M4 Gen M2 MOE 5.56x45mm NATO (No Window) - 5 Pack
Magpul PMAG 30 AR/M4 Gen M2 MOE 5.56x45mm NATO (No Window) - 5 Pack
$79.99 $49.99
Davidson Defense
Davidson Defense "Choplifter" AR-15 Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$679.99 $364.99
MMC Combos AR-15 Magpul M2 PMAG 3 Pack
MMC Combos AR-15 Magpul M2 PMAG 3 Pack
$59.99 $29.99
Adaptive Tactical Stock AR-15 Finish Your Rifle Kit 5.56/.223/.300 BLKOUT/.350 Legend
Adaptive Tactical Stock AR-15 Finish Your Rifle Kit 5.56/.223/.300 BLKOUT/.350 Legend
$249.99 $179.99
MMC 'Manchester' 16.5
MMC 'Manchester' 16.5" AR-15 5.56 Nitride Full Build Kit
$694.99 $379.99
Magpul PMAG 30 AR/M4 Gen M2 MOE 5.56x45mm NATO (No Window)
Magpul PMAG 30 AR/M4 Gen M2 MOE 5.56x45mm NATO (No Window)
$12.99 $10.99
MMC Armory AR-15 5.56/.223/.300/.350 Nitride Bolt Carrier Group - Nickel Boron Bolt and Cam Pin
MMC Armory AR-15 5.56/.223/.300/.350 Nitride Bolt Carrier Group - Nickel Boron Bolt and Cam Pin
$149.99 $79.99
FailZero M16 AR-15 Nickel Boron M16 Bolt Carrier Group BCG NIB
FailZero M16 AR-15 Nickel Boron M16 Bolt Carrier Group BCG NIB
$169.99 $149.99
(19)
Lancer, Magazine, AR-15 L5 Advanced Warfighter, .223/5.56, 30Rd, Translucent Purple - 3 Pack
Lancer, Magazine, AR-15 L5 Advanced Warfighter, .223/5.56, 30Rd, Translucent Purple - 3 Pack
$68.99 $54.99
Mercury Precision AR-15 PVD Rainbow Finish, M16, 5.56/.223, 9310 Bolt, Machined Extractor BCG
Mercury Precision AR-15 PVD Rainbow Finish, M16, 5.56/.223, 9310 Bolt, Machined Extractor BCG
$124.99 $119.99
MMC
MMC "Capitol" 20" AR-15 5.56 Nitride Full Build Kit W/ Ballistic Advantage
$799.99 $484.99
MMC Arms
MMC Arms "Tobruk" AR-15 Featuring Anderson Mfg. Upper Receiver 16" 5.56 NATO 4150 CMV QPQ Nitride 1-8T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$669.99 $354.99
Aero Precision AR-15 5.56 .223 300 Blackout BCG Black Nitride Aero Marked
Aero Precision AR-15 5.56 .223 300 Blackout BCG Black Nitride Aero Marked
$149.99 $127.99

Manufacturer

  1. Home
  2. Calibers
  3. .223 Wylde / 5.56 NATO
  4. Shop By

Shop By | .223 Wylde / 5.56 NATO


The .223 Wylde and 5.56 NATO are the most popular calibers for the AR-15 platform. These rounds are great for a wide range of uses from military and self defense to small game hunting. It's also a very affordable option for range days.
  • Barrels
  • .223 Wylde/5.56 NATO - Bolt Carrier Groups
  • Magazine - .223 Wylde/5.56 NATO
  • Finish Your Build Kits
  • 5.56 NATO AR-15 Upper Builds
  • AR-15 .223 Wylde Upper Builds
  • AR-15 .223 Wylde/5.56 NATO Upper Build Starter Kits

Products [447]

Sort by:
1 2 3 4 5 6 7 ...28 Next Page View All
MMC Arms Top Shelf
MMC Arms Top Shelf "Armando" AR-15 Upper Receiver Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel Davidson Defense 12" M-Lok Handguard (Assembled or Unassembled)
$579.99 $264.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Gnop!" AR-15 Left Handed Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$584.99 $299.99 Sale
Out of Stock
Select Options
Davidson Defense
Davidson Defense "Heartnote" 16.5" AR-15 Nitride Left Handed Upper Upper Build Kit
$619.99 $304.99 Sale
In Stock
Select Options
MMC Arms Top Shelf
MMC Arms Top Shelf "Montpelier" AR-15 Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Fortis Handguard (Assembled or Unassembled)
$754.99 $439.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Kingston" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$559.99 $244.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Waverly" 16.5" AR-15 5.56 Nitride Upper Build Kit
$559.99 $244.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Manchester" 16.5" AR-15 5.56 NATO Nitride Upper Build Kit
$554.99 $239.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Springfield" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$564.99 $249.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Charleston" AR-15 Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$564.99 $249.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Santa Fe" 16.5" AR-15 5.56 Nitride Upper Build Kit
$559.99 $244.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Houston" 16.5" AR-15 5.56 Nitride Upper Build Kit
$564.99 $249.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Orlando" 16.5" AR-15 5.56 Nitride Upper Build Kit
$559.99 $244.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Dallas" 16.5" AR-15 5.56 Nitride Upper Build Kit
$569.99 $254.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Gadsden" AR-15 Pistol Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$554.99 $239.99 Sale
In Stock
Select Options
Davidson Defense
Davidson Defense "Cordova" AR-15 Pistol Upper Receiver 16.5" 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" M-Lok Handguard (Assembled or Unassembled)
$554.99 $239.99 Sale
In Stock
Select Options
MMC Arms Top Shelf
MMC Arms Top Shelf "Kotzebue" AR-15 Featuring A Davidson Defense Upper Receiver 16.5" Mercury Precision 5.56 NATO 4150 CMV QPQ Nitride 1-7T Barrel 15" Unique AR Handguard (Assembled or Unassembled)
$739.99 $424.99 Sale
In Stock
Select Options
1 2 3 4 5 6 7 ...28 Next Page View All
Links
  • Links
  • Pepper Spray Laws
  • Product Restrictions
  • SMS Terms and Conditions
  • Privacy Policy
  • About Us
  • Warranty, Returns & Terms
  • Shipping Info
  • Contact Us
  • Stay Connected
  • Facebook
  • Pinterest
  • Twitter
  • YouTube
  • Instagram

Copyright MMC Armory. All Rights Reserved. eCommerce Software by 3dcart.

TOP

Information

  • Call Us +1 (833) 989-3380
  • Home
  • About Us
  • My Account

Browse by Category

Contact Us

+1 (833) 989-3380
0 Items

Store Search