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Defiance Machine - AnTi X Action
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Defiance Machine
Overview
The Defiance anTi X is an all-steel custom rifle action with an integral scope rail and recoil lug, weighing 23.0 oz in short action. The receiver is one piece of pre-hardened 416R stainless and the bolt is 4340 chrome moly machined in one operation, which is how Defiance guarantees headspace to +/- .001". It is made to order in short, medium and long action, right or left hand, with a 90 or 75 degree bolt throw and four bolt faces.
A short action weighs 23.0 oz complete, medium 24.0 oz and long 24.4 oz, and that includes the scope rail and recoil lug because both are part of the receiver. Defiance rates it against titanium actions on weight, without the shorter wear life Defiance attributes to titanium.
The 4340 chrome moly bolt is machined in one operation, so headspace is held action to action rather than fitted one at a time. Defiance states that Ruckus style pre-fit barrels work on it, with final fit-up by a gunsmith.
Both are cut from the receiver body, not pinned or screwed to it. The rail is skeletonized to take the weight out, and there are no rail screws to re-torque.
Order the 75 degree throw when you run low rings or cycle fast: the handle lifts 15 degrees less, which is the clearance a 90 degree bolt does not give under a scope tube.
Bolt faces of .390", .480", .550" and .595" cover .223 Rem through .338 Lapua, across short, medium (industry standard medium, formerly XM Plus) and long action, right or left hand.
The bolt body runs .002" clearance in battery and is relieved to .003" through the center, so it still cycles with grit in the raceway. Lug ways are wire EDM cut full length with an anti-bind design.
Specifications
Fitment
.550 MAG and .550 RUM/PRC are different receivers. They share the same bolt body, but the RUM/PRC receiver is cut to feed the RUM and PRC case through a BDL assembly, and it will not work with magnum cartridges such as .300 WM. Order the receiver for the cartridge, not just the bolt face.
Detail
Pick the bolt face by the case head of the cartridge you will chamber, then the action length that carries it:
A bolt with a different face can be ordered from Defiance for an existing action later, but Defiance needs the serial number to confirm the magazine cut matches the cartridge, and the receiver goes back to them for fit-up.
The 90 degree throw is the standard Remington 700 lift. The 75 degree throw lifts the handle 15 degrees less, which matters in two builds: a competition rifle run fast from the shoulder, where a 90 degree handle can find your knuckles or the scope, and a weight build on low rings, where a 90 degree handle can contact the scope body. If neither applies, the 90 degree throw is the conventional choice and needs no stock or ring clearance you do not already have.
The 416R receiver is corrosion resistant left bare. The 4340 chrome moly bolt is not, so the bolt is the part that benefits. Defiance's black nitride adds lubricity and surface hardness and turns the steel black without adding measurable thickness, so clearances are unchanged. Bolt-only nitride protects the part that rusts; full nitride adds the receiver for a matching black finish. Either adds to the lead time.
No. The anTi X is a firearm receiver and Red Hawk Rifles transfers it only to a holder of a valid Federal Firearms License. You pick the FFL dealer who will receive it, forward a copy of their license to Red Hawk Rifles after ordering, and complete the transfer at their counter. Dealers usually charge a transfer fee; that fee, and compliance with local, state and federal law, are between you and your dealer.
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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.
If you need an item fast, cost-effective expedited options are available at checkout. Most expedited orders ship via FedEx or Overnight Mail.
We are in 2317 Grand Park Dr Unit 2B Grand Junction, CO 81505 and we stock every item we sell. We love seeing customers and encourage you to stop by — just leave a comment in the order notes during checkout.
We ship to international shoppers in 82 countries registered with EasyExport®. Registration is free and EasyExport does not share your information, and you can register before or after you shop. See International Export for details.
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.
