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Franklin Armory OPS-16 Binary 5.56 NATO 16″ Piston Rifle 30+1

UPC: 818725012549

$1,385.99

11 in stock

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Description

Most piston ARs make you pick a gas setting and hope you got it right. The Franklin Armory OPS-16 skips that whole routine. Its Osprey Defense short stroke piston system is self-regulating and sits low-profile under the handguard, so you can bounce between suppressed and unsuppressed shooting without adjusting anything. The design also leaves out piston springs, cutting down on moving parts while keeping hot gas and carbon out of the receiver. Your bolt carrier stays cooler and cleaner, which means less scrubbing after a long range day and fewer heat-related headaches during high-volume shooting.

What Makes the OPS-16 Binary Different

The other half of the story is the BFSIII AR-Essential trigger. In binary mode it fires one round on the pull and another on the release, which turns pairs and fast strings into something you can run with real control once you get the rhythm down. Flip it back to standard semi-auto and it behaves like any other AR trigger. Combine that rate of fire with a piston system that thrives on back pressure and heat, and you have a rifle that was clearly built as a matched set rather than a trigger dropped into whatever lower was handy.

OPS-16 Furniture and Build Details

The 16 inch LTW contour barrel wears a 1:7 right-hand twist, so it stabilizes everything from light varmint loads up to heavy 77 grain match ammo. Franklin's Triumvir muzzle device works as a linear compensator and flash suppressor, pushing blast and concussion forward instead of back at you. A 15 inch Barrier Stop M-LOK handguard gives you loads of real estate for lights, lasers, and hand stops, while the flat top Picatinny rail is ready for whatever optic you prefer. B5 Systems handles the furniture with a SOPMOD stock and P-Grip 23, both proven pieces that feel great during long sessions. A salt bath nitride bolt carrier rounds out the package with corrosion resistance and easy cleanup. It ships with a 30 round magazine, so 30+1 capacity is ready right out of the box. For anyone who wants a piston gun that plays nice with suppressors and a trigger that makes range trips genuinely fun, this one checks both boxes.

Key Specifications

  • Manufacturer: Franklin Armory
  • Manufacturer Part Number: 00-10066-BLK
  • UPC: 818725012549
  • Caliber: 5.56 NATO / .223 Rem
  • Action: Semi-Auto, Piston-Driven
  • Barrel Length: 16" LTW Contour
  • Twist Rate: 1:7 RH
  • Capacity: 30+1
  • Trigger: BFSIII AR-Essential Binary Trigger
  • Gas System: Osprey Defense Self-Regulating Piston, Low-Profile Gas Block
  • Handguard: 15" Barrier Stop M-LOK
  • Muzzle Device: Triumvir Linear-Compensating Flash Suppressor
  • Bolt Carrier: Salt Bath Nitride
  • Stock: B5 Systems SOPMOD
  • Grip: B5 Systems P-Grip 23
  • Finish: Black Hard Coat Anodized

What’s Included

  • Franklin Armory OPS-16 Binary rifle
  • One 30-round magazine
  • Owner's manual and manufacturer documentation

Frequently Asked Questions

What does the binary trigger on the OPS-16 do?

The BFSIII AR-Essential trigger has a binary mode that fires one round when you pull the trigger and a second round when you release it. That lets you run fast, controlled pairs and quick strings with a little practice. You can also switch it back to standard semi-auto mode whenever you want a conventional trigger feel.

Do I need to adjust the gas system when running a suppressor on the OPS-16?

No, and that's one of the biggest selling points. The Osprey Defense piston system is self-regulating, so it handles the extra back pressure from a suppressor on its own without any gas block adjustments. You can swap between suppressed and unsuppressed shooting freely, and the piston design keeps most of that extra gas and carbon out of the receiver.

Does the Franklin Armory OPS-16 come with sights or an optic?

No, this rifle ships optics ready with a bare Picatinny top rail. Most owners pair it with a red dot or LPVO depending on how they plan to use it. The 15 inch M-LOK handguard also gives you plenty of room to add backup iron sights if you want them.

What ammo does the 1:7 twist barrel shoot best?

A 1:7 twist is on the faster side, which makes it a great match for heavier bullets in the 62 to 77 grain range. It will still shoot common 55 grain range ammo just fine for training and plinking. If you're chasing tighter groups, quality 69 or 77 grain match loads are where this barrel tends to shine.

Additional information

UPC

818725012549

Manufacturer

Manufacturer Part Number

00-10066-BLK

Barrel Length

16"

Caliber/Gauge

.223 REM/5.56 NATO

Capacity

30 + 1

Safety

Lever Action

Shipping Weight

13.476

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