Monday, 18 Nov 2019

Best Side Charging AR-15 Uppers [2019]


One of my personal favorite obscure AR-15 uppers is the MCR Belt-Fed Upper, but it’s a little bit expensive for most people, especially for something that’s basically a range toy.

FightLite MCR Belt-Fed AR-15 Upper – only $3,500!

Slightly more affordable, and more practical, is the side-charging AR-15 or AR-10 upper.

Side-chargers are a great way to have a more unique AR and you’ll also probably never see another AR like yours at the range. 

JP Enterprises PSC-11 Duel Charging System

Let’s dive into why you’d want to upgrade to a side-charging AR, how they work, and finish out with some of the best ones out there.

By the end you’ll know if a side-charger is right for you.

Why Use a Side-Charging Upper?

The chief benefit besides aesthetic concerns is the fact that you can clear a jam and charge the weapon without breaking your firing grip or changing your shooting position.

It also makes it easier to charge the weapon one-handed in an emergency or to cycle the weapon manually in the event of a failure in the gas system.

It also just looks really cool.

Best of all, other than the upper and charging handle itself, your AR doesn’t really change so you can use all the same parts, same barrel, same gas system, same everything, you just need the upper itself and charging handle, and the specialized bolt carrier.

How Do Side-Charging Uppers Work?

A normal AR-style rifle charges from the rear, right? You pull back on the charging handle, which extends from the rear of the receiver, that retracts the bolt and cycles the Slickgun. Probably 99% of you are familiar with this process.

If not, reviewing our Best AR-15 Charging Handles article might help refresh your memory.

The Whole Lot
The Whole Lot

On a side-charger, you might have guessed…the charging handle on the side.

These uppers are specially cut to allow for a groove on the left side for a charging handle, as you’d find on a SCAR or an MP5.

MP5 Charging Handle
MP5 Charging Handle locked back, see the groove?

These charging handles are non-reciprocating and typically attach to a specially-machined bolt carrier group (which you can either buy, or have a standard BCG machined with the needed notch).

Some only need a new cam pin, however, so be sure to look at those options if you’re not looking to change your bolt carrier group too much.

Best Side-Charging AR-15 Uppers

So, if you’re sold on the idea of a side-charging upper, you have a surprising number of options to choose from. These side-chargers, in my humble opinion, are the best ones out there, and are the ones you should look at first.

1. JP Enterprises PSC-12 Side-Charging Upper

JP Enterprises is known for their high-end ARs and accessories, and their PSC Series Side Charging Uppers maintains that reputation for quality.

This upper comes in a lot of flavors from full-mass to low-mass 5.56, 9mm, and even AR-10 uppers that work with DPMS-style or Armalite/Knights pattern lowers. And, unlike most uppers, it actually has a standard charging handle and the side charging handle, giving you the best of both worlds.

Though it is certainly pricey, you get a bolt carrier group, and an otherwise complete upper receiver, you just need to add a complete lower, barrel, gas system and handguard. The upper has Picatinny rail all along the top for optics mounting, and is easy to assemble, and disassemble as needed.

What’s your take on the JP?

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2. American Spirit Arms Side-Charging Upper

American Spirit Arms is one of the progenitors of the side-charging AR-15 upper, and their ASA Side-Charging Upper was one of the first on the market in this category. The upper works just like all the others, but it does require a specially-cut bolt carrier group in order to function.

You can either send your current BCG to American Spirit Arms and have them cut it for you for a relatively low price, or you can order a BCG from Brownells with the specific cut you need. The machining on these is also great, as you would expect, and the charging handle is extremely comfortable, and non-reciprocating as you would expect.

3. Gibbz Arms G4 Side-Charging Upper

Gibbz Arms specializes in side-charging uppers, and their G4 upper receiver is a good-looking and hard-working upper that won’t let you down. They’re designed to work with standard AR-15 lowers, and other than a modified cam pin you have to install, there are no changes needed to the rest of your setup.

at Brownells

Prices accurate at time of writing

The G4 uppers are available in a number of factory Cerakote colors, and are manufactured right here in America, Arizona specifically, and are some of the best-machined uppers I’ve put my hands on lately.

I’d put them alongside other high-end manufacturers like Aero and Faxon (who we’ll get to in a minute). Overall, not a bad choice at all for a side-charging AR-15.

4. Quarter Circle 10 Side-Charging Upper

Quarter Circle 10 specializes in pistol caliber parts, and their QC10 side-charging upper is simply awesome. This upper is modeled on the Gibbz G9 upper, and Quarter Circle 10 worked with the engineers at Gibbz to produce something reflective of their pistol caliber expertise.

This upper is designed specifically to work with pistol-caliber lowers and is the perfect choice for PDW builds, and the latching, the non-reciprocating charging handle is one of the most well-designed and easy-to-operate charging handles around. This is the upper I’d choose for a 9mm Glock-compatible lower, and would definitely be my first choice for a PDW-style build, especially a pistol-caliber SBR or AR-style pistol.

5. CMT Tactical UPUR-3A Side-Charging Upper

Are you looking for a precision rifle side-charger build? Do you need the most accuracy possible from your side-charger system? Cross Machine and Tool (CMT) has you covered with their UPUR-3A side-charging upper.

CMT has designed this to be an extremely accurate and reliable upper for precision rifle builds, and they’ve brought their trademark precision machining to bear in the manufacturing process. These uppers are machined from 7075 T6 aluminum, which is almost 70% stronger than the standard 6061 mil-spec aluminum.

They also utilize a five-axis machining process that allows them to be much more precise and turn out a much more well-finished product.

Overall, this is the upper I’d go with for a super high-end precision build that I needed to squeeze all the accuracy possible out of.

6. Faxon Firearms ARAK 21 Upper

Let me get this out of the way now: I freaking love the Faxon ARAK-21 Upper. I want one of these sooooo bad, and I’ve wanted it since I first got to handle it over a year ago.

This upper is designed from the ground up to be a side charger, and it actually moves the charging handle forward a good bit, almost like an HK G3, rather than the typical side-charging AR-15 position with the charging handle in line with the bolt carrier group.

at Faxon

Compare prices (2 found)

  • Faxon (See Price)
  • Rainier Arms (See Price)

Prices accurate at time of writing

The ARAK is, as you may have guessed from the name, designed to be a cross between the AR-15 and the AK-47, and it truly does bring you the best of both worlds.

As you would expect of an AK-ish design, the ARAK is a piston-operated system more so than it is an upper, and it includes a barrel assembly, integrated gas-piston system, and best of all: it comes with everything you need to swap from 5.56x45mm to 7.62x39mm and back as your needs change, or just as the mood strikes you.

The upper is extremely reliable and comes with an adjustable gas system so you can tune your Slickgun for suppressed use, or even manual operation with the side charging handle. Overall, this is the option I’d go with if money wasn’t an object because it gives you some extremely practical benefits, and is truly unique.

You definitely won’t find many of these at the local range.

Parting Shots

Side-charging uppers are a great way to add some pizzazz to your AR-style rifle, and they bring some practical benefits and functional improvements as well.

If you’re looking to upgrade your AR, start a new, unique build, or just want to try the side-charging life, there’s never been a better time to get one.

What do you think of these side-charging uppers? Do you want one for your next build? Let us know in the comments below! Ready to put a great optic on your rifle? Take a look at the Best AR-15 Scopes & Optics!

The post Best Side Charging AR-15 Uppers [2019] appeared first on Pew Pew Tactical.

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