Atlasworx makes good stuff and the exchange rate between the US and Australia can benefit you.

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I like the "updated lever"
http://atlasworxs.com/cart/index.php?act=viewProd&productId=32

If you're cheap and have a little time Magpul is releasing their "Hunter Magazine Well" soon. They're $70 and come with a poly magazine.
https://www.magpul.com/products/bolt-action-magazine-well-%E2%80%93-hunter-700-stock