Name that firearms related item

[allingeneral]

Here's a new game... Post a picture of any firearms related item and see if others can guess it. Don't post a new item until the previous one has been guessed.

(hint - save a picture to your desktop first, becausee linking to it will allow people to follow the link to see the answer)

What caliber is the cartridge shown on the left?

[goodoleboy]

5.56

[k5mitch]

.308 Winchester

[wbtrunx]

5.56

I second the .223

[allingeneral]

k5mitch got it - .308 Winchester

[k5mitch]

This should be simple.... (edit... another pic for clarity)

[wbtrunx]

It's a sear

[k5mitch]

from....

[wbtrunx]

a 1911

[k5mitch]

Yep.

Now onto other obscure pieces of machined metal brought to us by wbtrunx

[wbtrunx]

[k5mitch]

gas piston for .....?

[wbtrunx]

Not a piston.
This thing is only a couple inches long and solid.

[wbtrunx]

Hint: Think handguns. This one in particular has little metal in it.

Edit: Added another picture to help out.

[k5mitch]

guide rod, no idea what for

[punchie]

Solid guide rod and reverse plug for a compact 1911 style

[wbtrunx]

Yes, it's a guide rod.
This took longer than I hoped, so I'll just tell ya.
It goes on a Springfield XD.

K5, you're up again.
Unless you want Punchie to do it.

[k5mitch]

something easy.....

[punchie]

M1 Garand en-bloc

[herohog]

A real, honest to God Clip! (M1 was it?)

Dang! got me while I was posting! Thought I was a winner but I'm still just another loser...