For Better Shell-Eject Kar98k we recommend this:
Double Bell Kar98k Shell Eject Spring Airsoft Rifle Real Wood
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Feature
Real wood stock with a rich dark finish perfectly mirrors the external appearance of the German Army's main battle rifle
Cast aluminum alloy receiver provides rugged reliability
Bolt action design functions just like the real thing, load, fire and eject, feeding from realistic mock 8mm shells
5x shells included with a metal stripper clip
Adjustable rear sight
Original G&G Kar98 Sling（We will  recommand to buy our Kar98 Sling instead of using the G&G one. ）
 
Based on the famous Mauser 98K rifle, considered by many to be the gold standard of bolt action rifles, the G&G G980 SE, brings a new level of realism to WWII Airsofting. The G&G G980 SE uses the traditional G980 rifle as the base, but instead of using a standard gas tyle magazine, the G980 SE feeds from replica 8mm shells, each one holding a single BB and contained on a stripper clip.
 
Length: 1110mm
Barrel Length: 620mm
Weight: 3365g (with shells)
Color: Black, Wood
Material: Real Wood, Metal
Hop-up: Adjustable
Shooting Mode: Safety, Manual (Bolt Action)
Magazine Capacity: 5 Shells (ONE BB for each shell)
Bullet Type: 6mm BB
Gas: 8KG (134A), 12KG (Green Gas)
Power(Muzzle Velocity): 370 FPS (0.2g BB, Green Gas)
Manufacturer: G&G
 
Buy Cartridge here.
 
Warning:
-G&G Kar98k(G980 SE) has a tolerance issue with safety function, which sometime it will still be fireable even in safe mode. So please don't load shell with bbs if you are not in shooting range.
-The extractor may not able to reload the shell properly and it is common for this item because of the same reason. And it may also cause the shells stripped. Please use proper strength to reload.
-Furthermore, the tolerance may lead to a slight gas leaking after transportation, which we are not able to find out before shipping it. 
-Please be aware of these problems before ordering it. We can offer assist but will not refund because of these issues.