ArmsAgora logo Loadout Loadout

AR Parts in 5.56x45mm NATO

5,506 products found across 104 retailers

All AR Parts in 5.56x45mm NATO Products (5,506 results)
Sons of Liberty Gun Works SOLGW East India 5.56mm 16" Mid Gas Starter Kit EIC-16-556 - Sons Of Liberty Gun Works
Sons Of Liberty Gun Works
Sons of Liberty Gun Works SOLGW East India 5.56mm 16" Mid Gas Starter Kit EIC-16-556
$475
● Out of Stock
LBE Unlimited Barrel ARBARSCSS-16-7, 556NATO, 16 in, Stainless Finish, 1:7 Twist - LBE Unlimited
LBE Unlimited
LBE Unlimited Barrel ARBARSCSS-16-7, 556NATO, 16 in, Stainless Finish, 1:7 Twist
$142.88
● Out of Stock
LBE Unlimited Barrel ARBARSCN-16-7, 556NATO, 16 in, Black Nitride Finish, 1:7 Twist - LBE Unlimited
LBE Unlimited
LBE Unlimited Barrel ARBARSCN-16-7, 556NATO, 16 in, Black Nitride Finish, 1:7 Twist
$130.27
● Out of Stock
Lantac
LANTAC AR15 BBL 223WLD 16" INT SS
$312.98
● Out of Stock
AM SINGLE POINT SLING ADAPTOR AR15 - Anderson
Anderson
AM SINGLE POINT SLING ADAPTOR AR15
$4.19
● Out of Stock
AT3 Tactical Standard GI Charging Handle Red - AT3 Tactical
AT3 Tactical
AT3 Tactical Standard GI Charging Handle Red
$37.99
● Out of Stock
AT3 Tactical Standard GI Charging Handle Pink - AT3 Tactical
MSRP
AT3 Tactical
AT3 Tactical Standard GI Charging Handle Pink
$34.99
● In Stock
AT3 Tactical Standard GI Charging Handle OD Green - AT3 Tactical
MSRP
AT3 Tactical
AT3 Tactical Standard GI Charging Handle OD Green
$35.99
● In Stock
AT3 Tactical Standard GI Charging Handle Flat Dark Earth - AT3 Tactical
AT3 Tactical
AT3 Tactical Standard GI Charging Handle Flat Dark Earth
$38.99
● Out of Stock
AT3 Tactical Standard GI Charging Handle Black - AT3 Tactical
AT3 Tactical
AT3 Tactical Standard GI Charging Handle Black
$29.49
● Out of Stock
AT3 Tactical AR-15 Slick Side Billet Upper Receiver Green - AT3 Tactical
AT3 Tactical
AT3 Tactical AR-15 Slick Side Billet Upper Receiver Green
$104.49
● Out of Stock
AT3 Tactical AR-15 Slick Side Billet Upper Receiver FDE - AT3 Tactical
MSRP
AT3 Tactical
AT3 Tactical AR-15 Slick Side Billet Upper Receiver FDE
$104.49
● In Stock
AT3 Tactical Pro Series Free Float Quad Rail AR15 Handguards 9in Mid-Length FDE - AT3 Tactical
AT3 Tactical
AT3 Tactical Pro Series Free Float Quad Rail AR15 Handguards 9in Mid-Length FDE
$139.99
● Out of Stock
PSA AR-15 Upper 5.56 16" Carbine-Lgth 1:7 M4 Nitride MOE w/ Rear MBUS, BCG, & CH - Palmetto State Armory
MSRP
Palmetto State Armory
PSA AR-15 Upper 5.56 16" Carbine-Lgth 1:7 M4 Nitride MOE w/ Rear MBUS, BCG, & CH
$329.99
● Availability Unknown
XTS AR-15 5.56 NATO 12.5in M-LOK Upper Receiver Government Profile Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider 10in Handguard Anodized Black - Xts
Xts
XTS AR-15 5.56 NATO 12.5in M-LOK Upper Receiver Government Profile Carbine Length 1-7 Twist 1/2x28 A2 Flash Hider 10in Handguard Anodized Black
$275
● Out of Stock
DMA Inc. XTS AR-15 .223 / 5.56 Anodized Bolt Carrier Group - Purple -
MSRP
DMA Inc. XTS AR-15 .223 / 5.56 Anodized Bolt Carrier Group - Purple
$104.99
● In Stock
XTS AR-15 Cerakoted Charging Handle Tan FDE XTS CH-T - Xts
MSRP
Xts
XTS AR-15 Cerakoted Charging Handle Tan FDE XTS CH-T
$19.99
● In Stock
DMA Inc. AR-15 .223 / 5.56 Flat Buffer Spring -
MSRP
DMA Inc. AR-15 .223 / 5.56 Flat Buffer Spring
$13.99
● In Stock
XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish - Xts
MSRP
Xts
XTS Complete Upper Receiver w/o BCG w/ 12in Rail AR-15 223/5.56 24.75in 16.5in Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride Finish
$269.99
● In Stock
XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish - Xts
Xts
XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Bird Cage Black Finish
$279.99
● Out of Stock
XTS Complete Upper Receiver w/o BCG w/ 12in Ce Rail USA Edition AR-15 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird - Xts
Xts
XTS Complete Upper Receiver w/o BCG w/ 12in Ce Rail USA Edition AR-15 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Stainless Steel Bird
$329.99
● Out of Stock
XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride - Xts
Xts
XTS Complete Upper Receiver w/o BCG w/ Ce Rail AR-15 .223/5.56 24.75in 16in Barrel Carbine 1-8 Twist 1/2x28 Thread M-LOK Bird Cage Black Nitride
$299.99
● Out of Stock
XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 19.5in 10.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage - Xts
Xts
XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 19.5in 10.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage
$299.99
● Out of Stock
XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage - Xts
Xts
XTS Complete Upper Receiver w/o BCG w/ Ce Rail USA Edition AR-15 16.5in 7.5in Barrel Pistol 1-7 Twist 1/2x28 Thread M-LOK Stainless Steel Bird Cage
$289.99
● Out of Stock
Stay Connected

Join our newsletter for the latest updates and exclusive deals.

ARMSAGORA

Compare prices on firearms, ammunition, and accessories from hundreds of trusted retailers. Find the best deals, track prices, and build your own loadouts.

Shop
Deals Categories Brands Retailers Search
Account
My Armory Loadouts Saved Items
Company
Trusted Retailer Privacy Policy Terms
© 2026 ARMSAGORA. All rights reserved.
Not an FFL licensed dealer. ARMSAGORA is a product comparison tool.