Noveske Rifleworks N4 AR-15 Bolt Completion Kit - Phosphate Finish

Timber Creek Outdoors AR Lower Parts Kit for AR-15, Robin's Egg Blue - AR LPK RE

Timber Creek Outdoors Buffer Tube Kit for AR-15 - Lightweight and Durable in Blue Finish - ARBTKB

Timber Creek Greyman Complete AR-15 Build Kit Black - G LPK BL

Timber Creek Outdoors TCO Enforcer Upper Parts Kit for AR-15, Blue - E UPK B

Tacfire Build Kit for AR-15 45 ACP Complete Rifle, Nitride Black - SSRK45ACPLPK

Next Level Armament - AR15 Lower Parts Kit - Mil-Spec - NLX662

DMA Inc. XTS AR-15 Anodized Parts Kit - Red