6.5 Grendel 18″ DMR Heavy Profile Intermid Barrel, Type 2. Tunable gas block , gas tube & 6.5 Grendel Type2 Black Nitride Bolt & Carrier included.

Technical Specs

• Profile: DMR Heavy Profile (.850 behind gas block, .745 in front)
• Length: 18”
• Gas Placement: Intermediate
• Rifling: Button 8 twist
• Weight: 2.43 lbs
• Made from 416R Stainless Steel Hand Lapped
• M4Feed ramps
• 5/8-24 Threading
• 1″ MOA Guaranteed
• SAAMI Spec Chamber
• .750 Gas Block included
• Bolt Carrier Group included- type 2 6.5 Grendel bolt face
• Intermediate gas tube included

Technical Specs on Bolt & Carrier

• Type 2 6.5 Grendel bolt face.
• True Mil-Spec Bolt Carrier Group
• Material: Case Hardened 8620 Steel
• Finish: Black Nitride. This advanced low friction coating minimizes the need for lubricants.
• Gas Key: 4130 Steel attached with Grade 8 hardware and properly staked into a milled “valley” to ensure proper positioning.
• Cam Pin: Hardened 4340 cam pin
• Firing Pin: Mil Spec firing pin made of 8740 steel, center-less ground and Hard Chrome coated
• Bolt Assembly: The Bolt is “true” Mil Spec dimension and external surfaces are CNC ground after heat treat for a precision fit.
• Bolt Material: Case Hardened 9310 Steel.
• Finish: All Bolt components Shot Peened and Manganese Phosphate or Black Nitride
• Extractor: 4340 Steel , Manganese Phosphate coated
• Mil Spec Extractor Spring & O-Ring Combination
• MPI: Magnetic Particle Inspected
• HPT: High Pressure Test
• Made in USA