The Firing Line Forums - View Single Post - Rebarelling for 300 Blackout- Parts interchangable??

brmfan · October 23, 2012, 10:53 AM

To rebarell a M4 proflile AR carbine to a 16" 300 BLK, will the A2 front sight base need to be replaced or can it be used?

October 23, 2012, 10:53 AM	#1
brmfan Senior Member Join Date: October 21, 2008 Posts: 557	Rebarelling for 300 Blackout- Parts interchangable?? To rebarell a M4 proflile AR carbine to a 16" 300 BLK, will the A2 front sight base need to be replaced or can it be used?