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Conn. Trooper · February 27, 2009, 04:34 PM

Are Blackthorne uppers any good? I am building yet another AR and the only uppers I can find is a Blackthorne, but I know nothing about them. Any good?

February 27, 2009, 04:34 PM	#1
Conn. Trooper Senior Member Join Date: December 12, 2007 Location: Connecticut Posts: 530	Blackthorne Uppers Are Blackthorne uppers any good? I am building yet another AR and the only uppers I can find is a Blackthorne, but I know nothing about them. Any good?