$334.99
2 in stock
Online inventory may differ from in-store availability.
Quick turnaround so you get your gear sooner.
Trusted checkout with industry-standard protection.
Keeping Traditions Alive Since 1953
Secure Transactions provided with 
The TacFire SSRK300LPK takes the guesswork out of a .300 Blackout build by bundling the upper, barrel, gas system, and a complete lower parts kit into one box. At the heart of it is a USA-made 16-inch barrel with a 1:7 twist and a black nitride finish, threaded 1/2"x28 and topped with a .308 spiral fluted flash can and crush washer. The 16-inch length keeps the rifle in a full-size, non-NFA configuration while still handling the wide personality of the 300 BLK cartridge, from flatter-shooting supersonic loads to heavy subsonic rounds.
This is close to a full parts list minus the stripped lower receiver. You get a 5.56/.223/.300 AAC stripped billet upper with M4 feed ramps, an MPI-tested nitride bolt carrier group, a mil-spec aluminum charging handle with a steel latch, plus the dust cover and forward assist. The gas setup uses a .750 low-profile micro gas block paired with a pistol-length steel gas tube, which is the setup most builders lean toward on a 300 Blackout since it cycles a wider range of ammo more consistently than a carbine-length system.
Up front sits an ultra-slim clamp-on M-LOK free-float handguard that keeps things trim and gives you room for lights, grips, or a bipod wherever you want them. The lower side of the kit includes a complete USA-made lower parts kit, a standard A2 pistol grip, mil-spec buffer tube, castle nut and end plate, a 3-ounce buffer, and the buffer spring. In short, once you drop these parts onto a stripped lower, you've got a functioning rifle.
Assembly is straightforward with a few common bench tools and some patience, and there's real satisfaction in running a rifle you put together yourself. It's a solid foundation whether you're chasing a quiet suppressed setup down the road or just want a versatile 30-caliber range and hunting build.
The kit includes everything above and around a stripped lower receiver, so the main thing you'll need to supply is a stripped lower and a magazine. You'll also want a set of standard AR bench tools like a vise block, armorer's wrench, and punches to finish the job. Once those parts are installed, you have a functioning rifle.
Most 300 Blackout builds run a pistol-length gas system even on 16-inch barrels because the cartridge cycles more consistently that way. The short gas system handles the wide pressure range between supersonic and subsonic loads, which matters if you plan to shoot heavier subsonic ammo. It's a deliberate choice, not a shortcut.
The 1:7 twist is on the faster side, which helps stabilize the heavier subsonic bullets .300 Blackout is known for while still shooting supersonic loads well. The 16-inch length is best suited for supersonic range and hunting use, and the pistol-length gas gives you flexibility if you add a suppressor later. It's a genuinely versatile setup for the caliber.
Yes, the barrel is threaded 1/2"x28 and ships with a .308 spiral fluted flash can and crush washer already accounted for. That thread pattern is standard for .300 Blackout, so it opens the door to a wide range of muzzle devices down the road.
| UPC | 745559515215 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | SSRK300LPK |
| Action | |
| Model | |
| Thread Pattern | 1/2"x28 |
You must be logged in to post a review.
Reviews
There are no reviews yet.