On the photo 1: "Sport-4" kit, PT-1 stock, RK-3 pistol grip,RK-6L hand stopper, DTK-1/TG-2, RP-1 charging handle.

On the photo 2-3:  B-10M handguard, B-19 upper handguards, B-33 dust cover, PT-1 stock, RK-3 pistol grip, RK-0 grip, DTK-1/TG-2, RP-1 charging handle, "Zenitka-2GR" flashlight,KR-1 mount, KV-2 tactical switch, KVK-1 rail, NPN-1 rail cover.
On the photo 4-5:"Sport-4" kit,  PT-1 stock, RK-3 pistol grip, B-33 dust cover,  DTK-1/TG-2, RP-1 charging handle, A-2L slingmount, "Vzor-3" Red Dot, NPN-2 rail cover.

Recommended setups for TG-2:
1 with a short handguard: B-10M (or B-10U, or B-10L) handguard, B-19 (or B-19N) upper handguard, B-33 dust cover, PT-1 or PT-3 stock, RK-3 (or RK-9) pistol grip
2 with a long handguard: B-30 (or B-30U) handguard, B-31 (or B-31N) upper handguard, B-33 dust cover, PT-1 or PT-3 stock, RK-3 (or RK-9) pistol grip
3 lightweight version with a long handguard : Leader, Sport-1 or Sport-4 kit, B-33 dust cover, PT-1 or PT-3 stock, RK-3 (or RK-9) pistol grip



See the full list of compatible products below. Pay attention to the compatibility of elements with each other.