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Quentin Defense is pretty well know for affordable, quality billet and forged receivers including some awesome lowers with different Military branch symbol roll marks. QD recently introduced some brand new products to their already awesome lineup of billet AR receivers including two brand new ambi lowers and a .308 Billet upper.

First is the new ambi billet lowers. They look like the standard QD billet but feature an Ambi Bolt Release. These are being offered in both 100% and 80% configurations. The 100%’s are anodized and look great. The 80% model is not anodized and needs to have the fire control pocket machined out but DOES include the ambi bolt release. I really like that QD added the ambi option especially to the 80% model as that is pretty rare in the 80% world.

Quentin Defense Ambi Billet 80% Lower

Quentin Defense Ambi 80 percent Billet Lower

Quentin Defense Ambi Billet 100% Lower

Quentin Defense Ambi Billet Lower


At the beginning of the year I started telling people that this was going to be the year of the .308 AR. So far this year we’ve seen more .308 components pop up than ever before. Quentin Defense has just introduced a nice looking DPMS profile .308 Billet upper receiver. Definitely worth checking out if you’re planning a .308 build.

Quentin Defense Billet .308 Upper

Quentin Defense billet 308 upper

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