Based on the supremely popular 737R and Short Action NBK, the Impact Medium Action NBK brings you everything you love about Impact’s flagship 737R in a lighter weight setup ideal for your next hunting rifle. The Impact Medium Action NBK utilizes the same barrel tenon/headspace specs as the 737R and can readily accept 737R pre-fit barrels.
Some of the features of the Medium Action NBK include:
- The one-piece bolt is designed with proper geometry and clearance to allow smooth operation under field conditions.
- Fluting on the top and sides of bolt body carry dirt away while a smooth bottom portion ensures smooth cycling.
- Black carbon nitride finish improves operation by increasing surface hardness and lubricity.
- Features a 90 Degree, two lug design, and interchangeable bolt knobs
- Available in .308 & Magnum bolt faces, and accepts Rem 700 triggers
- Will feed up to ??? oal rounds, & is cut for AICS and Hawkins hunter mags
- Uses 1-1/16 x 16 TPI Class 3 tenon threads, and weighs 32 ounces
- Trigger Hanger allows simplified field maintenance to the trigger
- The length of the front pic rail is 1.865 and 1.765 for the rear
- Has a 20 MOA, split integral rail, and integral recoil lug
- Distance from center to center of action screws is 6.850
- Has a .700 Diameter bolt, with a Mini M16 extractor
- This Action will NOT work with BDL style hardware
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