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Posted: 4/14/2008 7:46:08 AM EDT
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I have a bushmaster upper in a .223, with a bushmater lower, and was curious if a Rock River upper chambered in a 6.8 would work with the lower. I am just looking for a complete upper with bolt etc., and was wondering if it would work, and what other calibers would work with this lower. Any imput would be greatly apprieciated. Thank you. |
| There's a list of calibers on this thread. A 6.8 SPC upper will work on your lower, you'll just need some 6.8 SPC magazines. |
Here's the forum you should be perusing: AR Variants Forum - especially the 6.8mmSPC tacked threads and Faq threads....... Welcome aboard newb,  mike |
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