Are these connectors the same products?

[bijo]

V2 510 Shorty Extension Sealed (V2 510 Shorty Extension Sealed)

vs

510-510 Adapter (Sealed) (510-510 Adapter Sealed)

are these 2 products the same thing?

 

[grandmato5]

Both of them are 510-510 shorty sealed connectors that accomplish the same thing.