Tactical Machining TM-15 5.56 NATO AR-15 Rifle, 20 Inch Barrel, 1:9 Twist, Midwest Industries Free-Float M-LOK, Burris RT-6 1-6x24, B5 Stock
This Tactical Machining TM-15 stands out as a 20-inch, direct-impingement AR-15 configured with quality, US-made components and a complete optic and lighting setup. It features a Midwest Industries free-float M-LOK handguard, a B5 adjustable carbine stock, and a Burris RT-6 1-6x24 LPVO installed in a Burris AR-P.E.P.R. mount. The rifle is in very good overall condition with an excellent, mirror-bright bore.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Condition: Excellent - Clean, mirror finish, no signs of wear.
Rifling: Excellent Rifling - Sharp lands and grooves.
What’s Included
- Burris RT-6 1-6x24 LPVO scope (installed)
- Burris AR-P.E.P.R. cantilever mount (installed)
- Rail-mounted weapon light with remote pressure switch (installed)
- 2x 20-round metal STANAG-pattern box magazines (USGI-style)
The 20-inch barrel is marked "5.56 NATO 1-9" and is threaded, capped with an A2 birdcage flash hider. The 1:9 twist supports a broad range of 5.56 NATO and .223 Remington bullet weights, and the rifle feeds from standard detachable STANAG-pattern magazines.
Up top, a flat-top Picatinny upper receiver includes a forward assist, ejection-port cover, and brass deflector. The Midwest Industries free-float M-LOK handguard provides a full-length top rail and is marked with the MI logo, "Made in U.S.A.," and CAGE Code 6LQF0.
Furniture includes a B5-branded adjustable carbine stock with a QD sling socket and an approximate length of pull of 11–14 inches. A Magpul pistol grip completes the lower, which carries "SAFE/FIRE" selector markings.
Optics are ready to go with a Burris RT-6 1-6x24 LPVO installed in a Burris AR-P.E.P.R. cantilever mount, both bearing Burris markings. A rail-mounted weapon light with a remote pressure switch is installed for immediate illumination capability.
The receivers are aluminum with an anodized finish. This TM-15 is built in the United States and follows the proven AR-15, direct-impingement pattern with a manual safety and AR-compatible controls.



