AR Parts in 5.56x45mm NATO

E-Lander 5.56 NATO 40-Round Steel AR-15 Magazine

E-Lander 5.56 NATO 20-Round Steel AR-15 Magazine

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

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

KCI AR-15 .223 / 5.56mm Aluminum 30-Round Magazine

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

D&H AR-15 5.56 20 Round Aluminum Magazine

Hera Arms AR 15 H3L 10-Round Magazine - OD Green

Hexmag AR 15 Shorty Magazine - 5.56/.223 (Black)

Colt Police Trade M4 Carbine Lower Receiver Assembly - LE Code

LEO Trade Bushmaster XM15-E2S Lower Receiver

Colt M4 Commando Lower Receiver - Auction

Colt M4 Carbine Lower Receiver Assembly - No Trigger Guard

Colt M4 Carbine Lower Receiver Assembly 6 Pos

AM-15 Lower Receiver - Auction

Colt M4 Commando Lower Receiver Assembly - LE Code

Colt SCW Carbine Lower Receiver Kit

Olympic Arms M.F.R. 5.56 Stripped Lower Receiver -Auction

MFT Standard 5.56 AR-15 30-Round Polymer Magazine - 14 pack - Auction

Anderson Open A2 Complete Lower Receiver

Anderson Stripped Lower Receiver - No Logo - Midnight Bronze

Anderson Stripped Lower Receiver - No Logo - OD Green

Anderson Stripped Lower Receiver - No Logo - FDE

Anderson No Logo Complete Lower Receiver w/ SBA3 Brace