Decided to make it even easier! Made a list to correspond with your numbers.
1 - Thought it might be a "Kriegsmodell" Bayo Lug.. but I cant see the whole lug... Could be just a standard Model 98 Bayonet Lug (Need full picture of it)
2 - Kar98AZ Front Sight Assembly!!!
3 - Model 98 Ejector box/bolt release assembly
4 - Gewehr 98 Style Front Sling Swivel/Handguard Retainer
5 - 2 Mauser Model 98 Cocking pieces
6 - Model 98 Front Sight Assembly
7 - M1 Carbine Recoil Plate
8 - No4 Enfield rear Flip Peep Sight (Solved by CGNer "Bacon Sandwich")
9 - M1 Garand Stock Ferrule/Front Sling Swivel
10 - Kar98AZ Stacking Hook (Solved by CGNer "Dosing")
11 - Model 98 Trigger
12 - M1 Garand 8 Round Enbloc
13 - FN FAL Flash Hider
14 - Model 98 Recoil Lugs
15 - Model 98 Triggerguard Assembly
16 - Gewehr 98 "Lange Visier" (Rollercoaster) Rear Sight Assembly
17 - Model 98 Tiggerguard Floorplate
18 - Mauser TrapDoor Buttplate (Some types of South American Mausers) Many times sold falsely as G43 buttplates...
19 - Enfield Triggerguard
20 - Kar98AZ Bayonet Lug and Front Band Assembly!!!
21 - M14 Stripper Clip Guide for loading Magazines
22 - Model 98 Follower
23 - Model 98 Type Flat Buttplate
24 - Enfield Buttplate
Hope that helps!
Cheers!
