What is On-The-Shelf?

All available Barrel options are displayed on a Shelf as Profiled, non-chambered barrels. When you place an order, we hand-select a barrel from our shelf and customize it through our production process. Think of it as a “Dealer’s Choice,” but each barrel is made specifically for you.

At MOS-Tek, we believe that skilled craftsmanship is the key to creating an exceptional barrel. Every team member is trained to uphold our core principles—precision and quality come first. We never compromise on quality for the sake of quantity; instead, we focus on a meticulous process that ensures each barrel is crafted with care and expertise.

  • .338 ARC Barrel O.T.S

  • 8.6 Blackout RTS 1:3 Twist, Stainless, Savage Small Shank/Tenon

  • 8.6 Blackout RTS 1:3 Twist, Stainless Remington 700

  • 8.6 Blackout RTS 1:3 Twist, 12.5″ AR10/.308 Stainless

  • 6mm ARC RTS 1:7 Twist, Stainless

  • 8.6 Blackout RTS 1:3 Twist, Stainless Sig Cross

  • 6mm Creedmoor RTS 1:7 Twist, Stainless, Ruger SFAR

  • 400 Legend Barrel, RTS 1:16 Twist, 18″, Stainless

  • 8.6 Blackout RTS 1:3 Twist, Stainless, Ruger

  • .338 ARC RTS Howa 1500 Mini, 1:5 Twist, 5/8×24 Threads

  • 8.6 Blackout RTS 1:3 Twist, Stainless, Savage Large Shank/Tenon

  • HALWORX 8.6 Blackout 300gr HPBT Subsonic 8″
  • 8.6 Blackout, RTS 1:3 Twist, Stainless, HOWA

  • 6mm ARC 18″ Stainless, 1:7, Foxtrot Profile, Rifle +1 Gas, 5/8×24

  • O.T.S – 300 BLK – DELTA PROFILE

  • HALWORX 6mm ARC 85gr CC SBR Optimized
  • HALWORX 338 ARC 300gr REX Subsonic 12″
  • HALWORX 338 ARC 300gr REX Subsonic 8″
  • HALWORX 8.6 Blackout 300gr HPBT Subsonic 12″
  • O.T.S – .375 RAPTOR – DELTA PROFILE

  • O.T.S – 6mm CREEDMOOR – DELTA PROFILE

  • O.T.S – 338 ARC – DELTA PROFILE

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