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Impact Precision - NBK Receiver - Short Action
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Impact Precision
Impact Precision
Impact Precision
Overview
The Impact Precision NBK is a one-piece short action with the recoil lug and a 20 MOA rail machined into the receiver body, same as the 737R. It drops into Remington 700 footprint stocks and chassis, takes Rem 700 triggers, and is cut for both AW and AICS magazines. The difference is the weight: an aluminum shroud and knob bring the NBK to 30.5 ounces, making it 5 ounces lighter than the all-steel 737R and ideal for hunting builds.
Aluminum shroud and knob reduce weight without changing the receiver design or performance. Swaps the 737R's all-steel construction for a hunting-friendly package.
The recoil lug and the 20 MOA Picatinny rail are part of the receiver, not bolted to it. There is no rail to work loose and no lug to shift under a barrel change.
Headspace and index are held to a tolerance that lets off-the-shelf prefit barrels go on at home. Tenon thread is 1-1/16 x 16 TPI, class 3. Compatible with 737R prefit barrels.
Every NBK is AW cut, so it feeds both AICS single stack and AW double stack magazines. Max cartridge overall length is 2.960 inches.
One-piece .700 inch bolt body with two lugs, a Mini M16 extractor and a plunger ejector. Fluting on the top and sides carries dirt away while the smooth underside keeps the cycle even.
Specifications
Fitment
The AW cut usually needs a gunsmith to feed right. Every NBK is AW cut. That gives you both magazine patterns, and it also means feeding from a given magazine and chassis is normally tuned by a gunsmith rather than guaranteed out of the box. It will not work with BDL style hardware at all.
Detail
Both are one-piece receivers on a Rem 700 footprint with integral rails, identical tenon and magazine compatibility, and the same design foundation. The NBK is 30.5 ounces; the 737R is 36 ounces. The NBK uses an aluminum shroud and knob; the 737R is all steel. Choose the NBK for weight savings on a hunting rifle. Choose the 737R if you want the heavier, all-steel package or if you are shopping for a specific variant option that may not be in stock on the NBK.
Match the bolt face to the case head of the cartridge you will chamber. These lists are the common ones, not every cartridge that fits each face.
The standard bolt lifts 90 degrees. The 75 degree option lifts 15 degrees less, which leaves more room between the bolt handle and the scope's eyepiece and is the reason to choose it on a rifle where the handle has been meeting the scope. Both use the same two-lug bolt and the same interchangeable knob. It is chosen at order time from the Bolt Throw option above.
The NBK hangs a Remington 700 pattern trigger from a hanger, which makes trigger removal a field job rather than a bench job. Some chassis and stocks, the KRG line among them, may need slight machining for clearance around the hanger. Check the inlet before the first fitting.
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Most orders over $199 ship free. We ship same day on all in-stock orders received before 14:00 Mountain Time. Free Shipping orders use standard ground and typically deliver in 1 to 4 days. Excludes international orders, Alaska and Hawaii, and select oversized items. All orders valued over $1,000.00 ship signature required.
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Not quite perfect? Red Hawk will make it right, no matter what. Guaranteed. Most items have a 30-day window from the day the product was delivered to you. Excluded are ammo and ORM-D products, custom ordered items, items not in original condition, and international orders. Every item we sell also carries a manufacturer warranty, and we only work with manufacturers who stand behind their products.
Check the Fitment section above — it lists what this part works with and what it does not. If you are still unsure, call 1-970-242-6166 or use the chat icon at the bottom right of the page — our team builds precision rifles with these parts every day.
2317 Grand Park Dr Unit 2B Grand Junction, CO 81505. We ship every single order from our own warehouse and take pride in being part of our local hunting and competition shooting community.
Absolutely. Call 1-970-242-6166.
We will make it right, no matter what. We only carry products from top-tier manufacturers who stand behind them.
Only serialized firearm actions and receivers require an FFL transfer. Barrels, stocks, triggers and accessories ship straight to your door.
