308 Win vs. 7.62x51

Tater · 03-02-2010, 05:21 AM

I've read many confusing threads regarding the interchangability of the above cartridges but haven't gotten any real answer.

The question i have is if i buy a Hawkeye in 308 Win can i shoot 7.62x51 through it?

WIL TERRY · 03-02-2010, 07:32 AM

..........

Tater · 03-02-2010, 09:52 AM

Ha-ha. Thanks for the simple answer, Wil Terry!

Cowboy T · 05-11-2010, 07:57 AM

And here's why. The civilian .308 Winchester is actually slightly hotter than the 7.62x51 NATO. This is the reverse of the .223 Rem/.556x45 NATO situation. So, if you're chambered for the hotter round, you're good to go.

Pat-inCO · 05-11-2010, 08:30 AM

According to Springfield (my M1A) there is an overlap in head space dimensions. If you have a gun properly head spaced (middle of the overlap), you can shoot them interchangeably. - - At least that is what Springfield says in their manual.

As noted above, that IS different than the 5.56 v .223. I have a Savage model 12-BVSS that hates 5.56 (hard to chamber) but loves .223, so I am careful about those.

03-02-2010, 05:21 AM	#1
Tater Joined: Apr 2009 From: Florida Posts: 353	308 Win vs. 7.62x51 I've read many confusing threads regarding the interchangability of the above cartridges but haven't gotten any real answer. The question i have is if i buy a Hawkeye in 308 Win can i shoot 7.62x51 through it?

03-02-2010, 07:32 AM	#2
WIL TERRY Joined: Jun 2009 From: BLACK HILLS, SOUTH DAKOTA U.S.OF A. Posts: 36	Yes. Of course. ..........

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03-02-2010, 09:52 AM	#3
Tater Joined: Apr 2009 From: Florida Posts: 353	Ha-ha. Thanks for the simple answer, Wil Terry!

05-11-2010, 07:57 AM	#4
Cowboy T Joined: Feb 2010 From: San Francisco, CA Posts: 237	And here's why. The civilian .308 Winchester is actually slightly hotter than the 7.62x51 NATO. This is the reverse of the .223 Rem/.556x45 NATO situation. So, if you're chambered for the hotter round, you're good to go.

05-11-2010, 08:30 AM	#5
Pat-inCO Joined: Apr 2008 From: Colorado Posts: 1,434	According to Springfield (my M1A) there is an overlap in head space dimensions. If you have a gun properly head spaced (middle of the overlap), you can shoot them interchangeably. - - At least that is what Springfield says in their manual. As noted above, that IS different than the 5.56 v .223. I have a Savage model 12-BVSS that hates 5.56 (hard to chamber) but loves .223, so I am careful about those.