From top to bottom
Top Delton Flat top receiver w/BCG and charging handle 20" Colt HBAR 5.56 1/7 chromelined barrel, ACE Buttstock, Magpul MOE grip and hanguards, YHM folding front sight Ameetec Lower Reiver with Delton LPK.
Delton A2 Upper Assembly 20" HBAR 1/9 CL barrel, Magpul Handguards and vertical grip.
Delton Flat top Upper receiver w/M4 cuts, CMMG 16" Medium Contour 1/7 CL Barrel ,Rifle Length Gas, CMMG Lower with Delton LPK,& BCG, Magpul MOE Grip, Handguards, Magpul Mbuis
Delton A2 Upper w/ Delton Light Weight 16" CL 1/9 Barrel w/midlength Gas,Magpul Handguards, Ameetec Lower Receiver w/ Delton LPK&BCG, Shorty Buttstock
The bottom two are my latest builds