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The Franklin Armory Reformation RS7 is one of the more genuinely interesting firearms to come out of the AR space in a long time, and it's back on the market following a landmark court victory for Franklin Armory. At the center of it all is the patented NRS barrel technology, which stands for Not a Rifle or Shotgun. The 7.5-inch barrel features straight-cut lands and grooves rather than traditional helical rifling, which puts it outside the ATF definitions of both rifle and shotgun. The result is a GCA-only classified firearm that transfers like a standard long gun through your FFL dealer.
The RS7 is built on a hard-use rated forged aluminum upper and lower receiver set with a salt bath nitride bolt carrier group, a pistol-length gas system, and a 7-inch FST M-LOK handguard that keeps the overall package tight and trim. The Triumvir muzzle device handles both linear compensation and flash suppression, which is a welcome touch on a barrel this short. B5 Systems handles the furniture duty with the Bravo stock, P-Grip 23, and a vertical grip, all of which give the platform a solid, ergonomic feel without adding unnecessary bulk. The flat-top upper arrives optic-ready with no sights included, so you've got a clean slate to mount whatever red dot or compact optic fits your use case.
Franklin Armory also designed the Reformation with home defense in mind. The company reports that the yawing projectile behavior produced by the NRS barrel results in reduced overpenetration compared to traditionally rifled SBRs of similar length, which is a real consideration in a defensive context. With standard off-the-shelf 5.56 ammunition, expect practical short-range performance. Franklin Armory has also developed proprietary fin-stabilized projectiles designed to further optimize accuracy in the NRS barrel.
The RS7 with the non-binary trigger option ships with a custom-tuned single-stage trigger and one 30-round FA steel magazine. Everything is finished in hardcoat anodized black. This is a purpose-built compact platform for people who want the footprint of a short-barreled setup with the component quality to back it up.
Instead of traditional helical rifling that spins a projectile, the NRS barrel uses straight-cut lands and grooves that run parallel down the length of the bore. This means the barrel does not impart spin on the bullet the way conventional rifling does, which is what places it outside the legal definitions of both a rifle and a shotgun. Franklin Armory designed this specifically around the legal distinction, not as a performance compromise. The straight-groove design also causes projectiles to yaw in flight, which Franklin Armory says contributes to reduced overpenetration compared to traditionally rifled short barrels.
No. The Reformation RS7 is classified as a GCA-only firearm, not a rifle or shotgun under the NFA, which means it transfers through your local FFL dealer the same way a standard long gun would. There is no NFA tax stamp, no wait for Form 4 approval, and no NFA registration required. This is the core reason the Reformation platform exists and what makes it unique in the compact AR-style space.
The RS7 ships with a flat-top Picatinny rail and no iron sights, so the upper is fully optic-ready from the factory. For a 7.5-inch barrel platform intended for close-quarters or home defense use, a compact red dot like an Aimpoint, Trijicon MRO, or Holosun 510C is a natural fit. If you want a bit more range capability, a 1-4x or 1-6x LPVO on a low mount is also a popular choice for this style of build.
The RS7 chambers standard 5.56 NATO and will cycle commercially available 5.56 and .223 Rem ammunition. Because the NRS barrel does not impart traditional spin stabilization, group sizes at distance will be wider than what you'd get from a rifled barrel. Franklin Armory has reported roughly 3.5 inches at 100 yards with standard white box ammunition. For the intended purpose of a compact home defense and close-quarters platform, real-world performance at typical engagement distances is what matters most, and the RS7 is built for that role.
No. This specific model (MPN 00-10042-BLK) comes with Franklin Armory's custom-tuned traditional semiautomatic trigger, not the BFSIII Binary Firing System. Franklin Armory does offer a binary-equipped RS7 variant separately if that's something you're after. The non-binary version is the more broadly available configuration.
The RS7 is outfitted with a B5 Systems Bravo stock, B5 P-Grip 23 pistol grip, and a B5 vertical grip. B5 Systems is a well-regarded US furniture maker known for producing durable, mil-spec-grade components, so the ergonomics are genuinely good rather than just a budget checkbox. The 7-inch FST M-LOK handguard rounds out the package and gives you plenty of real estate for lights, grips, or other accessories.
| UPC | 818725013591 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 00-10042-BLK |
| Shipping Weight | 12.234 |
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