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APF Armory Proof SS AR Pistol 223 Wylde 14.5in Proof Research Barrel

UPC: 793888248212

$1,395.00

2 in stock

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Description

Most AR pistols in this class ship with a budget barrel and call it a day. Alex Pro Firearms went the other direction and dropped a Proof Research stainless steel barrel into the Armory Proof SS Pistol, and that one decision changes everything about how this gun shoots. Proof barrels have earned their reputation in the precision world, and the 14.5 inch tube here wears a pinned and welded A2 flash hider along with a 1:7 twist that stabilizes heavier match bullets like 69 and 77 grain loads without any drama.

Why the 223 Wylde Chamber Matters on This APF Pistol

The 223 Wylde chamber is the smart middle ground. It handles full-pressure 5.56 NATO safely while holding the tighter tolerances that squeeze real accuracy out of .223 Remington match ammo. Pair that chamber with a Proof Research barrel and you have a compact AR that groups like guns twice its size. The mid-length gas system smooths out the recoil impulse and runs cooler than the carbine-length setups you see on most builds like this, which means less wear on internals and a softer-shooting gun over long range sessions.

What Else APF Packed Into the Armory Proof SS

The rest of the build follows suit. A 12.5 inch M-LOK handguard gives you plenty of real estate for lights, hand stops, or a bipod while keeping your support hand close to the muzzle. The M16-profile nitride bolt carrier group is a durable, easy-cleaning workhorse, and the lower features an enhanced trigger guard and classic A2 grip. Finished in black, it ships without a brace, so you can set the rear end up however suits you. A Magpul PMAG Gen M2 30-round magazine comes in the box.

APF builds these in Alexandria, Minnesota, machining most of their components in-house with over three decades of manufacturing experience behind them. Everything is 100 percent American made. If you want a compact AR that punches way above its size at distance, this is the one to grab.

Key Specifications

  • Manufacturer: Alex Pro Firearms (APF Armory)
  • Manufacturer Part Number: RI-215
  • UPC: 793888248212
  • Caliber: 223 Wylde (fires .223 Rem and 5.56 NATO)
  • Action: Semi-automatic, AR-15 platform
  • Barrel: 14.5 in Proof Research stainless steel, pinned and welded muzzle device
  • Twist Rate: 1:7
  • Muzzle Device: A2 flash hider
  • Gas System: Mid-length
  • Handguard: 12.5 in M-LOK free-float
  • Bolt Carrier Group: M16 profile, nitride finish
  • Grip: A2 pistol grip
  • Magazine Capacity: 30 rounds
  • Brace: None included (ships without brace)
  • Finish: Black
  • Shipping Weight: 13.1 lbs

What’s Included

  • APF Armory Proof SS Pistol
  • Magpul PMAG Gen M2 30-round magazine

Frequently Asked Questions

Can the APF Armory Proof SS Pistol shoot both .223 Remington and 5.56 NATO?

Yes. The 223 Wylde chamber is a hybrid design built to safely handle full-pressure 5.56 NATO while keeping the tighter dimensions that wring the best accuracy out of .223 Remington match ammunition. It is the go-to chamber for people who want one gun that runs everything on the shelf without giving up precision.

What makes the Proof Research barrel on this pistol special?

Proof Research is best known in the precision rifle world, and their stainless steel barrels are held to match-grade standards. The 14.5 inch barrel on the Armory Proof SS uses a 1:7 twist, which stabilizes heavier bullets in the 69 to 77 grain range, ideal for stretching this compact gun out to longer distances. The A2 flash hider is pinned and welded to the barrel.

Does the APF Proof SS Pistol come with a brace?

No, this model ships without a brace, and the black receiver end is left ready for you to configure. That keeps the choice in your hands rather than sticking you with a part you might swap out anyway. It does include one Magpul PMAG Gen M2 30-round magazine in the box.

Where are Alex Pro Firearms pistols made?

APF builds their guns in Alexandria, Minnesota, and the company machines the majority of its own components in-house. They come from a machining background spanning more than 30 years, and their products are 100 percent American made. That in-house control is a big part of why their fit and finish get consistently good marks.

Additional information

UPC

793888248212

Manufacturer

Manufacturer Part Number

RI-215

Shipping Weight

13.1

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