AR Parts in 5.56x45mm NATO

Spikes Tactical Calico Jack Lower/Upper Receiver Set, Semi-automatic, 223 Remington/556NATO, Cerakote Finish, Magpul Foliage Green, Includes 7 in MLOK Rail STS1616-PF7M

KE Arms Stripped Lower 1-50-01-054, Billet, 223 Rem/556NATO, Black Finish 1-50-01-054

KE Arms Complete Lower 1-50-01-075, Billet, 223 Rem/556NATO, Black Finish, With Milspec Trigger

Ballistic Advantage DCP3 BAPA100039, Stripped Lower Receiver, 223 Remington/556NATO, Anodized Finish, Black BAPA100039

Ballistic Advantage BA15 Enhanced BAPA100083, Semi-automatic, Stripped Lower Receiver, .223 Remington/556NATO, Matte Finish

FAB Defense FXUMAGR30T Ultimag 30R Polymer Window 30rd 223 Rem/5.56x45mm NATO AR-15/ M16/M4 FDE Reinforced Polymer Body, Magazine

Spikes Tactical STLS030 Snowflake Stripped Lower 223 Remington/556NATO BLEM

AR-15/M16 50 ROUND DRUM MAG

Strike Industries AR-15 Enhanced Lower Build Kit for .223/5.56 - Black

Lantac SF15 Forged Receiver Set

E-Lander 5.56 NATO 30-Round Steel AR-15 Magazine

Aero Precision M4E1 Builder Set w/ 9.3" Enhanced M-LOK Handguard - Chocolate Chip Camo

Anderson Stripped No Logo Lower Receiver + 1000 rounds of Winchester 5.56 Ammo Bundle

Lancer Systems L15 Stripped Lower Receiver w/ Competition Magwell

Lancer Systems L15 Stripped Lower Receiver w/ Standard Magwell

Centurion Arms F15 5.56 Stripped Forged Lower Receiver

Anderson Stripped Lower Receiver - No Logo - Midnight Bronze

Anderson Stripped Lower Receiver - No Logo - OD Green

Anderson Ghost Complete Lower Receiver w/ SBA3 Brace

JP Enterprises JP-15 Forged AR-15 Receiver Set

Centurion Arms CM4 5.56 Forged AR-15 Lower Receiver

Anderson Ghost A2 Complete Lower Receiver

AR MAGLOCK AR-15 Gen 4 Fixed Magazine Lock and Release Solution - With Steel EZ Pull Takedown Pin

Anderson Stripped Lower Receiver - No Logo - Black