Custom Piston AR-15

5 Best AR-15 Piston Uppers For Your AR-15 Build

Want to get the most out of your AR-15? Give a piston-driven upper a try! We'll walk you through the best picks for every budget and tell you just what you need to know to kick your rifle build up a notch.
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PSA .300 BLK 8.5in SBR

Best .300 BLK Guns and Uppers

Want to get into .300 BLK, but aren't sure where to get started? The Firearm Review crew has rounded up our favorite .300 BLK guns and uppers so you can find something right for you! Read more here.
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80% Lowers 2

Best 80% Lowers

Learn more about how you can have a hassle-free AR build with one f the best 80% lowers. Firearm Review is walking you through what you need to know about buying an 80% AR lower.
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A sniper in Al Fallujah, Iraq with anM14 with a Leupold Mark 4 LR/T 10 x 40 mm M3

Garand-Pattern Rifles: M1A, M14, and Mini 14

Wondering what the difference is between the M14, the M1A, and the Mini 14? Is there a difference? We're here to walk you through what sets each of these rifles apart from the rest. Check it out!
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Collection of lower parts kits

Best AR Lower Parts Kits [2020]

Finish out your AR-15 or AR-10 build with the best lower parts kits on the market! We're sharing our favorite LPKs and extra parts kits to let you build away, worry-free. Read more!
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