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TacFire AR-10 Build Kit 308 Win 20″ Black Nitride Barrel M-LOK

UPC: 745559515307

$508.99

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Description

The TacFire SSRK308LPK20BN is a Sports South exclusive build kit that hands you nearly everything for a full-size AR-10 in .308 Winchester. It's built on the DPMS pattern, which is the smart move if you're new to the 308 platform, since parts, magazines, and accessories are far easier to track down than the ArmaLite pattern. Everything here works together out of the box, so you're not left guessing whether your handguard clocks up with your upper or if your buffer is heavy enough for the cartridge.

What Comes in the TacFire 308 Build Kit

The centerpiece is a 20-inch .308 Winchester barrel finished in black nitride, threaded 5/8×24 so you can run a muzzle device or suppressor down the road. It rides under a 15-inch low-profile slim M-LOK handguard that gives you plenty of real estate for a bipod, light, or hand stop while keeping the profile lean. The kit also includes a DPMS low-profile Gen 3 stripped upper, an AR-10/.308 aluminum charging handle with a steel latch, dust cover, forward assist, and a DPMS-profile bolt carrier group. That BCG is the engine of the rifle, and having it matched to the upper takes the guesswork out.

Getting the TacFire AR-10 Kit Running

On the back end you get a Mil-Spec aluminum buffer tube, castle nut, and receiver end plate, plus an AR-10 3.8 oz heavy buffer with spring. That heavier buffer matters on a .308 build because it tames the extra recoil impulse the bigger cartridge throws at the system. Rounding it out is a Mil-Spec M4-style 6-position stock with a QD sling swivel and butt pad, an enhanced pistol grip, and a .308 lower parts kit.

Worth knowing before you order: this is a build kit, not a complete rifle. You'll supply your own stripped .308 lower receiver to finish it out. With a couple of basic AR tools and an afternoon, this kit turns a bare DPMS-pattern lower into a shooter set up for range work, hunting, or long-range plinking with the reach that only a .308 brings.

Key Specifications

  • Manufacturer: TacFire
  • MPN: SSRK308LPK20BN
  • UPC: 745559515307
  • Model: AR Build Kit
  • Caliber: .308 Winchester
  • Platform: AR-10 / LR-308 (DPMS Pattern)
  • Barrel Length: 20 inches
  • Barrel Finish: Black Nitride
  • Muzzle Thread: 5/8×24
  • Gas System: Rifle Length
  • Handguard: 15" Low Profile Slim M-LOK
  • Upper Receiver: DPMS Low Profile Gen 3 Stripped
  • Bolt Carrier Group: DPMS Profile
  • Buffer: AR-10 3.8 oz Heavy Buffer
  • Stock: Mil-Spec M4 Style 6-Position
  • Action: Semi-Auto

What’s Included

  • .308 Winchester 20" black nitride barrel
  • Rifle length gas tube with steel pin
  • 15" .308 low profile slim M-LOK handguard
  • .308 DPMS low profile Gen 3 stripped upper receiver
  • AR-10/.308 aluminum charging handle with steel latch
  • AR-10 dust cover
  • Forward assist
  • Receiver end plate
  • Steel Mil-Spec/commercial castle nut
  • Mil-Spec aluminum buffer tube
  • AR-10 3.8 oz heavy buffer with tube spring
  • Mil-Spec M4 style 6-position stock with QD sling swivel and butt pad
  • Enhanced pistol grip
  • .308 lower parts kit (no grip)
  • AR-10 DPMS profile bolt carrier group

Frequently Asked Questions

Does the TacFire AR-10 build kit include a lower receiver?

No. This is a build kit, not a complete rifle, so you'll need to supply your own stripped .308 lower receiver to finish it. The kit does include the lower parts kit that goes into that receiver, minus the grip, which is provided separately as an enhanced pistol grip. Once you have a DPMS-pattern lower, this kit gives you the rest of what you need to assemble a working rifle.

Is this kit AR-10 or DPMS pattern, and does that matter?

This kit is built on the DPMS pattern, which is the more common of the two main .308 AR standards. It matters because DPMS and ArmaLite lowers are not interchangeable, so you'll want to pair this kit with a DPMS-pattern stripped lower. The upside is that DPMS parts, magazines, and accessories are much easier to find, which makes finishing and upgrading the rifle simpler down the line.

What's the deal with the heavy buffer in this .308 kit?

The kit ships with an AR-10 3.8 oz heavy buffer paired with a tube spring. The .308 cartridge generates a stronger recoil impulse than a 5.56, and the heavier buffer helps slow the bolt carrier down so the rifle cycles smoothly and feels less snappy. It's the right weight for this platform, so you don't have to source one separately.

Is the barrel threaded for a muzzle device or suppressor?

Yes. The 20-inch black nitride barrel comes threaded 5/8×24, which is the standard thread pitch for .308 muzzle devices and suppressors. That gives you the option to add a brake, flash hider, or a can whenever you're ready without any extra machining.

Additional information

UPC

745559515307

Manufacturer

Manufacturer Part Number

SSRK308LPK20BN

Action

Model

Thread Pattern

5/8"x24

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