Ask Foghorn: SIG SAUER MPX Versus CZ Scorpion EVO 3 S1

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Reader Eric writes: You guys have reviewed the new CZ Scorpion and the SIG MPX separately. Is there a chance you could do a direct comparison between the two? That would be awesome. I reviewed both...

Ask Foghorn: Primer Sealant? What’s Up with That?

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JeffD asks: I picked up two boxes of Winchester 9mm bulk at my local Wally World and found five of these red primers. Any ideas? I've got one possible explanation, and it's all about how bringing our...

Ask Foghorn: Staking your Gas Key?

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Reader Donald writes: The one concern I have building myself is staking the gas key. I have seen a guy on Youtube do it with a $80 dollar tool but was hoping not to...

Does An Expensive Carry Handle on Your AR Matter? – Ask Foghorn

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Reader Thomas writes: I'm a big fan of your series; you have helped me on dozens of firearms with solid, honest reviews. I had a quick question if you have the time: I think I...

Ask Foghorn: Trigger Terminology

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A reader writes: “trigger’s a bit gritty and prone to stacking” Educate me, please. What is stacking? One of the major problems with talking about guns is that you're often trying to convey a feeling with...

Ask Foghorn: Reloading for Dummies

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Ken asks: Over the last several months, I've had trouble finding ammunition at my usual carriers. I use popular calibers (.45acp and .223rem) and live in the SF Bay area, so it could be due...

Ask Foghorn: Barrel Twist, and Which is Right for Your AR-15?

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Tyler Kee asked (paraphrasing here): So what's all this "barrel twist" hoopajoop? Does barrel twist impact my accuracy? And if so, what twist is best? Continuing with my "AR for Dummies" kick, I figured this would...

Ask Foghorn: What Does “Drop Safe” Mean, and Why Does It Matter?

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"Gun companies make a big deal out of their handguns being drop safe," RF said while puffing on a cigar (just before he quit, descending into madness). "Aren't all modern guns drop safe? What...

Ask Foghorn: Eliminating AR-15 Stock Rattle

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Wade writes: How can you eliminate the rattling in a sliding AR-15 stock? I've tried several kinds, but they all rattle and make quite a bit of noise. Short of duct-taping them in place, I...

Ask Foghorn: Assembling an AR-15 Lower Receiver from a Stripped Receiver

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Marty asks: I am new to your site but have already read a number of great articles. So thank you for providing a resource. In a recent article about the best AR platform, you go...

Ask Foghorn: What’s the Difference Between 5.56 and .223?

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Ryan asks: Hello, After reading the reviews on the Smith & Wesson MP-15 from your site, I went and got one. I was torn on which make and model to buy. But your reviews and...

Ask Foghorn: How Do I Become a Collector of Curios and Relics (C&R) (FFL...

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Some of the finest firearms ever designed were made before or during World War Two: the majestic M1 Garand, the indestructible Mosin Nagant m1891/30, the Swiss clockwork masterpiece K31, the German engineered K98, the...