Action directory
Compare true left-bolt actions by length, footprint, intended use, bolt lift, feed system and build compatibility. Current entries require both manufacturer handedness evidence and U.S. ordering evidence.
Research checked September 6, 2026 · 50 verified current families · Specifications, evidence and open research
50 action families · 15 manufacturers
American Rifle Company
Three-lug controlled-feed action with interchangeable floating bolt heads and tool-less bolt disassembly.
American Rifle Company
Weight-reduced Coup De Grâce variant with the same left-hand, length and bolt-face configuration structure.
Curtis Custom
Weight-relieved two-length hunting action with Wyatt's extended-box support and split rail.
Curtis Custom
Entry-price three-lug action offered in short and long lengths with pinned rail and recoil lug.
Curtis Custom
Competition action with 60-degree bolt lift, AI/AW magazine support and quick-change or full-thread tenon choice.
Defiance Machine
Lightweight steel hunting action with extensive made-to-order configuration.
Defiance Machine
Ultra-light steel action with integral scope mounts and recoil lug.
Defiance Machine
Configurable stainless action family spanning hunting, tactical and competition builds.
Defiance Machine
Competition-focused Deviant with oversized bolt, AW cut and included nitride finish.
Defiance Machine
Controlled-round-feed action with rotating claw extractor and three-position safety.
Defiance Machine
Entry-price steel action with a limited option set and guaranteed headspace.
Defiance Machine
Purpose-built modern muzzleloader action with shell-holder bolt face.
Defiance Machine
Backcountry-oriented action with a three-position safety.
Defiance Machine
Lightweight general-purpose action with swept legacy bolt and guaranteed headspace.
Defiance Machine
Guaranteed-headspace action family for hunting and tactical configurations.
Defiance Machine
Railless titanium hunting action intended for direct-mount scope rings.
Defiance Machine
Titanium action with integral scope rail and recoil lug.
Falkor Defense
Lightened steel hunting action with a one-piece bolt; current listings are the final one-piece-bolt production run.
Haverkamp Precision
Made-to-order competition receiver available in single-port and left-load/right-eject dual-port layouts.
Impact Precision Shooting
Competition-focused short action with full-length integral rail, integral lug and AW/AICS magazine cut.
Impact Precision Shooting
Long action that shares pre-fit barrel dimensions with the 737R and feeds CIP-length cartridges.
Impact Precision Shooting
Lighter hunting action family offered in short, medium and long lengths with split integral rail.
Kauger Arms
Short benchrest action with trigger hanger, optional drop port and interchangeable pinned bolt head.
Kauger Arms
Flat-bottom-oriented benchrest action without a recoil lug, with optional drop port and trigger hanger.
Kauger Arms
Weight-reduced hunting action with standard or extended magazine well and interchangeable pinned bolt head.
Kauger Arms
Highly configurable stainless action with standard, extended or single-shot magazine-well options.
Kelbly's
Configurable steel action offered as a repeater or single shot with coned or flat bolt head.
Kelbly's
Black-nitrided tactical and hunting action with AICS magazine cut and anti-shear bolt stop.
Kelbly's
Long-action .338 receiver with a .750-inch bolt inside a Remington 700 footprint.
Kelbly's
Skeletonized hunting action with integral rail and recoil lug, extended internal-box cut and detachable-magazine compatibility.
Kelbly's
Integral-feature tactical action available in repeater and single-shot configurations.
Lone Peak Arms
Stainless action with AW magazine cut on short actions and an optional split Alpine Port rail.
Lone Peak Arms
Titanium hunting action with a split Alpine Port rail and Wyatt's extended-box magazine cut.
Lone Peak Arms
Lightweight stainless action offered as a repeater or single shot with extended internal-box compatibility.
Pierce Engineering
Custom-built target action offered in left hand and in multiple receiver materials for F-Class and F-TR rifles.
Pure Precision
Weight-relieved stainless hunting action with a 75-degree two-lug bolt and field-strippable firing-pin assembly.
Pure Precision
Ultra-light titanium hunting action retaining a steel DLC-coated bolt and Remington 700 pattern fit.
Stiller Actions
Repeater action family offered in three lengths with model-indexed pre-fit barrel compatibility.
Terminus Actions
Short-action three-lug receiver with BDL and AI magazine support.
Terminus Actions
Lightened short action combining steel, titanium and aluminum components.
Terminus Actions
Long action for 3.8-inch internal boxes and AI-pattern magazines.
Terminus Actions
Weight-reduced long action for 3.8-inch internal boxes and AI magazines.
Terminus Actions
Four-inch-stroke long action without receiver feed rails, intended for AI-style magazines.
Terminus Actions
Three-lug tactical and competition action with optional quick-change barrel threading.
Vudoo Gun Works
Purpose-built rimfire single-shot barreled action listed in both left-bolt/left-port and left-bolt/right-port layouts.
Zermätt Arms
Controlled-feed action with floating interchangeable bolt head and Savage small-shank barrel thread.
Zermätt Arms
Remington 700-scale rimfire action supplied with a ten-round aluminum magazine.
Zermätt Arms
Hunting-oriented controlled-feed action with feed-lip, single-shot and Wyatt's magazine cuts.
Zermätt Arms
Titanium lightweight action with interchangeable bolt head and two-piece pinned rail.
Zermätt Arms
Highly configurable controlled-feed action with separate bolt-hand and ejection-port choices.