Which parts are still missing?

[suka5168]

These are model A sights am i missing only the rear sight nut and the barrel nut lactch and springs.
as far as small parts go.

 

[suka5168]

pic

 

[mark214]

These are model A sights am i missing only the rear sight nut and the barrel nut lactch and springs.
as far as small parts go.

Yes, the barrel nut retainer has just 1 spring.