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1/25/2018 7:38:29 AM
Posted: 12/21/2005 10:59:18 AM EST
I see both abbreviations and was wondering if there was a difference between- FMJBT & MCBT?

Link Posted: 12/21/2005 11:01:18 AM EST
Metal case probably has an open lead base.

FMJ IIRC is copper all 'round.
Link Posted: 12/21/2005 11:03:19 AM EST
FMJ refers to the bullet MC refers to the casing
Link Posted: 12/21/2005 11:25:06 AM EST
[Last Edit: 12/21/2005 11:29:27 AM EST by Poodleshooter]

Originally Posted By macman37:
Metal case probably has an open lead base.

FMJ IIRC is copper all 'round.

Technically this should be correct,but in many cases they are synonyms. Most 5.56 comes as "full metal jacket",but is in fact an open lead base. M193 55gr bullets are an example.
Another example here : www.wideners.com/itemdetail.cfm?item_id=1219&dir=278|281|296
Metal Case is usually seen on domestic ammo from what I've seen.
Link Posted: 12/21/2005 11:33:34 AM EST
Link Posted: 12/21/2005 11:38:46 AM EST
Metal Case doesn't have a crazy-awesome movie named after it.

Link Posted: 12/21/2005 11:56:12 AM EST
So, is one generally considered to be of higher quality than the other? Or is it a toss-up?

Link Posted: 12/21/2005 11:56:59 AM EST
To me FMJ and MC are two different names for the samething.
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