Howa Model 1500

easy
Shop tier 1
high confidence
Rifle
bolt action
hunting
value

field strip ~2 min · reassembly ~3 min · detail strip ~30 min

Before you begin Verify this firearm is unloaded. Remove the magazine or empty the cylinder or tube, lock the action open, and check the chamber both by sight and by touch. Keep the muzzle in a safe direction and remove all live ammunition from your work area.

Howa Machinery limits owner disassembly The maker's own procedure goes as far as: Bolt and stock removal, and the bolt sleeve/firing pin assembly off the bolt. The firing pin assembly is not to be taken apart and the trigger adjustment screws not touched.. Howa's manual says the bolt sleeve/firing pin assembly should not be disassembled except by a gunsmith and owners must not tamper with the factory-sealed trigger adjustment screws. (Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International, p. 22 legacysports.com [1])

Specifications

Manufacturer: Howa Machinery
Origin: Japan
Category: Rifle
Action: Bolt action
Calibers: .308 Winchester, .30-06 Springfield, 6.5 Creedmoor, .223 Remington
Capacity: 3 to 5 rounds depending on caliber
Production: 1967–present (in-production)
Also known as: Howa 1500, Weatherby Vanguard (same action), Mossberg 1500 (historic)

Model-specific safety

Removing the magazine does not clear the chamber. Cycle the bolt and check the chamber directly.
The bolt release must be operated to withdraw the bolt. Do not force the bolt out — if it will not come, the release is not engaged or the safety is blocking it.
Clean from the breech with a bore guide. Cleaning a bolt rifle from the muzzle without a guide wears the crown and costs accuracy permanently.
Removing the barrelled action from the stock changes the bedding relationship. Reinstall the action screws to a consistent torque or the rifle will shift its zero.

If it will not go back together

Common ways this firearm resists reassembly, and what is actually wrong. Forcing a part that will not seat is how firearms get damaged.

The bolt will not come out of the receiver.

Why On a three-position safety the lever is pushed fully rearward, which locks the bolt.

Fix Move the safety to the MIDDLE position — still ON, but the bolt is free to open — then depress the bolt stop with the bolt part way back.

Under spring tension

Firing pin spring inside the bolt (detail strip)
Magazine follower spring

Easily lost parts

Bolt release · Action screws · Magazine or floorplate components

Tools

Tool	Required	Used for	Substitute
Bore guide	Yes	Cleaning from the breech without damaging the throat or the crown.	There is no good substitute. A rod run into an unguided chamber scrapes the throat.
Hex key or screwdriver matching the action screws	Optional	Removing the barrelled action from the stock. Not needed for routine cleaning.
Torque wrench	Optional	Reinstalling action screws to a consistent value, which is an accuracy variable on every bolt rifle.

Shop difficulty

Shop tier 1 Tier 1 — easy among rifles and carbines, for the full job: strip to the parts that get coated and put it back together working. About 54 action, trigger and magazine parts plus a stock held by two guard screws; the bolt strips by hand and the trigger stays a unit. The only real trap is the bolt sleeve/firing pin assembly, which Howa says stays assembled unless a gunsmith has the tool.

Parts: 53 numbered parts (Barreled action, bolt, trigger assembly, trigger guard/floorplate and magazine; the stock is not in the list), from Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International, p. 28 legacysports.com [1].

Bench time: about 20 min to strip, 30 min to rebuild (estimate). Estimate: stock off (two guard screws), bolt strip including the bolt sleeve/firing pin with the cocking-piece tool, extractor and ejector, bolt stop, floor plate/trigger guard, magazine, trigger unit off (not stripped). Rebuild includes action screw torque and a trigger/safety check.

Small parts: 11 pins, 10 springs, 0 detents or plungers (counted from the manufacturer's parts list (one per key number unless a quantity is given))

What comes off for coating

Bolt: bolt sleeve/firing pin assembly (with tool), extractor, pin and spring, ejector, pin and spring — bolt disassembly (cocking piece) tool
Receiver: trigger assembly (as a unit), bolt stop, spring and screw
Stock and bottom metal: front and rear guard screws, trigger guard, floor plate, catch, pin and spring, magazine, follower and spring, stock (and sling studs, recoil pad)

Special tools

Bolt disassembly / cocking-piece tool (or shop-made wedge) — Holding the cocking piece back while the bolt sleeve unscrews
Inch-pound torque driver — Guard screws on reassembly

Known pain points

The bolt sleeve/firing pin assembly is held under heavy mainspring pressure; Howa says it is not to be taken apart without the gunsmith's special tool. (both)
Source: Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International legacysports.com [1] — “The bolt sleeve/firing pin assembly is a semi-permanent assembly and should not be disassembled except by a gunsmith. These parts are under heavy spring pressure which could cause injury if improperly disassembled without the use of special tools that are required.”
Putting the bolt sleeve back needs heavy pressure and a 1/3 turn to the cocking detent; turned too far, the cocking piece snaps forward and has to be dragged back on a bench edge. (reassembly)
Source: Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International legacysports.com [1] — “If the bolt sleeve/firing pin assembly is rotated too far, the cocking piece will snap forward into the uncocked position”
Gunsmiths strip the same action (sold as the Weatherby Vanguard) with a shop-made wedge that holds the cocking piece back while the shroud unscrews. (both)
Owners report: How to remove Browning X Bolt striker from bolt — AccurateReloading.com Gunsmithing forum forums.accuratereloading.com [10] — “Lock the cocking indicator in the vise, pull it back, drop in the tool, take apart the bolt. Assemble in reverse.”

See also 1 documented reassembly problem and their fixes.

Fit or check on rebuild

Action screw torque — Bedding and accuracy depend on consistent guard-screw torque
Bolt sleeve in cocked position — The cocking piece must be in its detent or the bolt will not go back in
Source: Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International legacysports.com [1] — “The firing pin will now be in the cocked position, where it must be in order for the bolt to be correctly reinstalled in the rifle.”
Trigger/safety function — Trigger unit is not to be adjusted; check safety and let-off after reassembly

This is Pew-Takedown's rating, not the manufacturer's. How tiers are rated. Forum reports are owners' experience, not specifications.

Manufacturer videos

Official videos from Howa Machinery's own channels, linked rather than copied. Where a video and the steps on this page differ, follow the manufacturer's manual and video.

HOWA HCR disassembly and reassembly Legacy Sports field strip, reassembly · 2017-01-04
Covers: Howa HCR (Howa Chassis Rifle, built on the Howa 1500 action)

Procedures

Clear and Make Safe

Clear & Make Safe

Point the muzzle in a safe direction and keep your finger off the trigger.
Place the safety in the on position.
Lift the bolt handle and draw the bolt fully rearward, extracting and ejecting any chambered round.
Unload the magazine: on a hinged floorplate rifle press the floorplate latch and let the rounds fall out; on a detachable magazine rifle remove the magazine; on a blind magazine cycle the bolt to feed and eject each round.
Removed at this step: Magazine contents
Inspect the chamber and magazine well with a light and physically confirm the chamber is empty.
WarningLook and feel. Both, every time.
Remove all live ammunition from the work area.

Field Strip

Bolt removal is the whole of routine maintenance on a bolt rifle. The bore cleans from the breech with the bolt out.

Manufacturer’s video: HOWA HCR disassembly and reassembly Legacy Sports

Complete the Clear and Make Safe procedure.
Make sure the rifle is unloaded and put the safety ON. Howa's disassembly begins with the safety on, not off.
WarningWear safety glasses. The manual asks for them in case a part under spring tension escapes your grasp.
TipOn three-position models the middle position is the one you want: safety ON with the bolt still free to open. Pushed fully rearward the safety is ON and the bolt is locked, and you will not get it out.
Lift the bolt handle and draw the bolt fully rearward.
With the bolt part way to the rear, depress the bolt stop and withdraw the bolt rearward out of the receiver.
Removed at this step: Bolt assembly
Clean the bore from the breech using a bore guide, and clean the bolt face, lugs, and chamber.
WarningAlways use a bore guide.
Stop here for routine maintenance. Bolt disassembly and stock removal are separate procedures and are not part of normal cleaning.

Reassembly

Manufacturer’s video: HOWA HCR disassembly and reassembly Legacy Sports

Confirm the bolt is correctly assembled and the bolt head is properly oriented.
Align the bolt with the receiver raceway and slide it forward into the action.
Close the bolt handle and cycle the bolt several times to confirm smooth travel and correct cocking.
Confirm the bolt release retains the bolt when the action is opened fully.
Perform the function check.

Remove the Barrelled Action from the Stock

Detail Strip tools required

For a deep clean or bedding work. Not routine maintenance.

Verify the rifle is unloaded and remove the bolt and magazine.
Remove the action screws from the bottom of the stock, noting which screw came from which hole.
TipThey are often different lengths.
Removed at this step: Action screws Floorplate or magazine assembly
Lift the barrelled action out of the stock.
Removed at this step: Stock
To reinstall, seat the action in the stock, start both screws by hand, then tighten the front screw first and the rear second to a consistent torque.
WarningInconsistent action screw torque is one of the most common causes of a rifle that will not hold zero. Consult your stock maker’s specification rather than guessing.

Torque specifications

No sourced torque values from the manufacturer are recorded for this firearm. Where a fastener has a specified torque — action screws, scope bases, muzzle devices, barrel nuts — get it from the manufacturer or a gunsmith rather than estimating it.

What the manufacturer does say: Howa's M1500 manual gives no torque value for the action (takedown) screws. It says: "The longer takedown screw goes behind the trigger guard. Tighten the two takedown screws alternately until both are snug, then tighten front screw firmly; finally, tighten rear screw." (Howa Rifle Instruction & Safety Manual, p. 25). The 50–55 in-lb figure sometimes quoted for the Howa 1500 comes from Howa's separate Series 1500 Mini Action manual ("torque action bolts to 50 to 55 in-lbs. DO NOT EXCEED 55 IN-LBS. OR DAMAGE TO THE FLOOR PLATE MAY RESULT.", p. 23). The Mini Action is a shorter action with its own trigger guard and floor plate, so that value is not recorded here for the standard Model 1500.

Reported by other sources — not the manufacturer

Not a manufacturer specificationThese values come from the people and publications named beside each one, not from Howa Machinery. They are recorded with who said them and their exact words so you can judge them — not as a recommendation. Confirm any of them with the manufacturer or a licensed gunsmith before you put a wrench on your firearm; a wrong value can crack a stock, strip a thread or loosen a muzzle device.

Fastener	Torque	Who says so, and their words	Where it comes from
Action screws (front and rear) Howa 1500 short action in a KRG Bravo Chassis (Gen 2)	65 in-lb 7.3 N·m · 5.4 ft-lb	Reported by Kinetic Research Group (KRG) Secondary — a parts or tool maker, or a gunsmithing publisher Finger-tighten the front screw, pull the action rearward to seat against the recoil lug, keep the action level; tighten front then rear a little at a time, switching back and forth, then torque both incrementally. “Torque both screws to 65 in-lbs of torque in an incremental manner, moving back and forth between the two screws until full torque is reached.”	KRG Bravo Chassis (Gen 2) Installation Instructions (INST-BRV) — Kinetic Research Group (KRG), PDF p. 2 kineticresearchgroup.com [4]
Action screws (front and rear) Howa 1500 in a KRG Bravo Chassis for Howa (INST-BRV-HWS)	65 in-lb 7.3 N·m · 5.4 ft-lb	Reported by Kinetic Research Group (KRG) Secondary — a parts or tool maker, or a gunsmithing publisher Finger-tighten the front screw, pull the action rearward to seat against the recoil lug, keep the action level; tighten front then rear a little at a time, switching back and forth, then torque both incrementally. “Torque both screws to 65 in-lbs of torque in an incremental manner, moving back and forth between the two screws until full torque is reached.”	Bravo Chassis for Howa Installation Instructions (INST-BRV-HWS) — Kinetic Research Group (KRG), PDF p. 1 kineticresearchgroup.com [5]
Chassis screw just behind the action Howa 1500 in a KRG Bravo Chassis for Howa	approx. 45 in-lb 5.1 N·m · 3.7 ft-lb	Reported by Kinetic Research Group (KRG) Secondary — a parts or tool maker, or a gunsmithing publisher Tighten AFTER the action screws are fully torqued. 'This screw is only finger tight when you receive the stock. It is meant to be that way.' “Tighten the screw just behind the action to about 45 in-lbs AFTER the action screws are fully torque.”	Bravo Chassis for Howa Installation Instructions (INST-BRV-HWS) — Kinetic Research Group (KRG), PDF p. 1 kineticresearchgroup.com [5]
Action screws (front and rear) Howa 1500 / Weatherby Vanguard SA/LA (incl. LA CIP 3.850”) in an MDT Oryx chassis	60–65 in-lb 6.8–7.3 N·m · 5–5.4 ft-lb	Reported by MDT Sporting Goods Ltd. (Modular Driven Technologies, MDT) Secondary — a parts or tool maker, or a gunsmithing publisher Push the action rearward against the recoil lug and torque the front action screw first, then the rear (manual p. 1: 'first torquing the front then the rear action screw'). “Howa 1500/Weatherby Vanguard SA/LA LA CIP3.850” — 5mm Hex Wrench — 60-65 inch-pounds”	MDT Oryx Chassis System — User Manual (13694, Version 07.14.26), attached to MDT help-centre article 'ORYX Chassis Installation Guides' — MDT Sporting Goods Ltd. (Modular Driven Technologies, MDT), PDF p. 2 (inlet-specific torque table) support.mdttac.com [6]
Front and rear action screws Howa 1500 / Weatherby Vanguard in an H-S Precision Pro-Series stock with Pro-Center technology	65 in-lb 7.3 N·m · 5.4 ft-lb	Reported by H-S Precision, Inc. Secondary — a parts or tool maker, or a gunsmithing publisher Center the barrel with the two side set screws (Blue Loctite #243 on set screws) before tightening; hand tighten the center action screw (if applicable). Threadlocker: Blue Loctite #243 on the side set screws (not the action screws) “7. Tighten front and rear action screws to 65 inch/pounds. Hand tighten center action screw (if applicable).”	H-S Precision — Instructions for Weatherby Vanguard / Howa 1500 / Ruger Hawkeye Pro-Series® Stocks with Pro-Center® Technology — H-S Precision, Inc., PDF p. 1, step 7 hsprecision.com [7]
Action screws (barreled action to UMC) Howa 1500 and Howa 1500-pattern actions in a Grayboe stock with Universal Mini Chassis (UMC)	45 in-lb 5.1 N·m · 3.7 ft-lb	Reported by Grayboe Secondary — a parts or tool maker, or a gunsmithing publisher Install the UMC into the stock first (UMC-to-stock screws 60 in-lb), then the barreled action. “Set the barreled action into the mini chassis. Install the two supplied action screws (same length front and rear). Torque both screws to 45 inch-pounds.”	Grayboe — UMC (Universal Mini Chassis) Installation Instructions (web page) — Grayboe, p. Section 'Howa 1500', Step 3 grayboe.com [8]
Action screws (front then back) Howa 1500 in an XLR chassis	65 in-lb 7.3 N·m · 5.4 ft-lb	Reported by XLR Industries Secondary — a parts or tool maker, or a gunsmithing publisher Stand the rifle on the recoil pad to seat the lug, hand-tighten front then back, then torque front then back. “8) Finally torque the front then the back action screws. • For all centerfire receivers including 700 clone rimfires, torque to 65 INCH-pounds.”	XLR Industries — Chassis & Buttstock Instructions (2022), linked from xlrindustries.com 'XLR Chassis System Instructions' (image-only PDF; read from the rendered page) — XLR Industries, PDF p. 3, steps 5 and 8 cdn.shopify.com [9]

Parts list

Transcribed from the manufacturer's parts list (Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International, p. 28 legacysports.com [1]) — Howa M1500 series (standard action). Keys are Howa's item numbers; part numbers are Howa drawing numbers. Assembly rows are keyed as printed (e.g. 7-13, A (19-38)); items 39 and 51 are not in the list.. Key numbers refer to the exploded view in that document.

54 parts

Key	Part	Part no.	Qty
1	Barrel	359-41-110-00	1
	Receiver assembly (includes No. 2-6)	359-01-405-00	1
2	Receiver	359-01-420-01	1
3	Bolt stop	359-01-411-00	1
4	Bolt stop spring	356-01-260-00	1
5	Bolt stop screw	356-01-270-00	1
6	Receiver plug screw	353-01-300-00	1
7-13	Bolt assembly	359-02-100-01	1
7	Bolt body	359-02-110-01	1
8	Extractor	356-02-121-01	1
9	Extractor pin	356-02-123-21	1
10	Extractor spring	356-02-123-00	1
11	Ejector	359-02-150-00	1
12	Ejector spring	356-02-190-00	1
13	Ejector pin	356-02-123-21	1
14-18	Firing pin assembly	359-02-200-01	1
14/16	Firing pin (359-02-210-01) & Cocking piece (359-02-212-01) = Assembled parts		1
15	Main spring	359-02-211-00	1
17	Firing pin retaining pin	356-02-185-01	1
18	Bolt sleeve	359-02-214-02	1
A (19-38)	Trigger assembly	359-07-100-12	1
19	Trigger housing	359-07-110-12	1
20	Sear	359-07-116-00	1
21	Trigger	359-07-112-01	1
22	Actuator pin	356-07-114-01	1
23	Retaining ring	356-07-115-00	1
24	Trigger adjusting screw	356-07-116-00	1
25	Actuator spring	356-07-117-01	1
26	Lock nut	014-23-040-00	1
27	Sear pin	356-07-122-01	1
28	Actuator	359-07-113-00	1
29	Safety	356-07-125-01	1
30	Safety spring	359-07-121-01	1
31	Trigger spring	359-07-115-00	1
32	Sear spring	359-07-117-00	1
33	Sear stopper pin	356-07-132-01	1
34	Safety lever screw	359-07-126-00	1
35	Safety lever	359-07-130-11	1
36	Retaining hinge, safety lever	356-07-134-00	1
37	Trigger pin	359-07-114-00	1
38	Trigger housing screw	011-31-040-12	1
40-45	Trigger guard assembly (includes No. 40-45)	359-07-200-02	1
40	Trigger guard	359-07-210-01	1
41	Floor plate	359-07-220-01	1
42	Floor plate pin	353-07-250-00	1
43	Floor plate catch	359-07-211-01	1
44	Floor plate catch pin	359-07-212-00	1
45	Floor plate catch spring	354-07-260-00	1
46	Magazine	359-07-321-01	1
47	Magazine follower	359-07-310-07	1
48	Magazine spring	359-07-320-00	1
49	Rear guard screw	359-07-231-00	1
50	Front guard screw	359-07-232-00	1
52	Magazine spacer (Caliber .223 only)	359-07-322-80	1

Function check

After every reassemblyPerform these checks on a verified-unloaded firearm. If any check fails, the firearm is not safe to fire — stop and see a licensed gunsmith.

Verify the rifle is unloaded and the magazine is empty before each check.
Cycle the bolt and confirm it cocks and closes fully into battery.
With the action cocked, engage the safety and press the trigger. The firing pin must not release.
Disengage the safety without touching the trigger. The firing pin must not release.
Press the trigger and confirm the firing pin releases cleanly.
Confirm the bolt release retains the bolt.
Load dummy rounds and confirm they feed from the magazine and eject cleanly.

Maintenance

Lubrication points

Bolt lugs and the locking recesses
Bolt body where it rides in the raceway
Cocking cam surfaces
Extractor

Cleaning notes

Clean from the breech with a bore guide. Do not over-lubricate the firing pin assembly — heavy oil there congeals in cold weather and causes light strikes. Keep the chamber dry and free of oil before shooting, since oil in a chamber raises bolt thrust.

Suggested inspection interval: roughly every 500 rounds. This is a general guideline, not a manufacturer specification.

Wear parts to inspect

Extractor · Ejector and spring · Bolt lugs · Firing pin spring · Crown (inspect for cleaning rod wear)

Common issues

Symptom	Likely cause	What to do
Group size opens up after cleaning or transport	Action screw torque changed	Retorque the action screws consistently, front first.
Light strikes in cold weather	Heavy or congealed oil in the firing pin assembly	Degrease the firing pin assembly and run it dry or with a light synthetic lubricant.
Bolt will not withdraw	Bolt release not operated, or the safety is blocking it	Move the safety to fire and operate the release. Do not force the bolt.

Also covers

The procedures above are reported to apply to: Weatherby Vanguard (built on the same action) · Legacy Sports Howa rifles. Verify against the manual for your specific model.

Similar manual of arms

Sourcing

Confidence: high — Cross-checked against a primary source such as the manufacturer's manual or an issuing military technical manual.
Verification: Checked against the manufacturer manual
Last updated: 2026-10-29

References

Every source this page draws on, with its web address so you can read it yourself. Numbers in brackets elsewhere on the page point here.

[1] Howa Rifle Instruction & Safety Manual (M1500 series) — Legacy Sports International manufacturer manual primary source
https://www.legacysports.com/wp-content/uploads/2021/09/HowaRifleManual.pdf (checked 2026-09-27)
[2] Howa Series 1500 Mini Action Rifles Instruction & Safety Manual — Legacy Sports International manufacturer manual primary source
https://www.legacysports.com/wp-content/uploads/2018/10/howa-miniaction-owners-manual.pdf (checked 2026-09-15)
[3] Howa Model 1500 Owner’s Manual — Howa Machinery Ltd. manufacturer manual primary source
[4] KRG Bravo Chassis (Gen 2) Installation Instructions (INST-BRV) — Kinetic Research Group (KRG) manufacturer manual secondary source
https://kineticresearchgroup.com/download/79805/ (checked 2026-09-27)
[5] Bravo Chassis for Howa Installation Instructions (INST-BRV-HWS) — Kinetic Research Group (KRG) manufacturer manual secondary source
https://kineticresearchgroup.com/download/13588/ (checked 2026-09-27)
[6] MDT Oryx Chassis System — User Manual (13694, Version 07.14.26), attached to MDT help-centre article 'ORYX Chassis Installation Guides' — MDT Sporting Goods Ltd. (Modular Driven Technologies, MDT) manufacturer manual secondary source
https://support.mdttac.com/hc/article_attachments/51468856863892 (checked 2026-10-11)
[7] H-S Precision — Instructions for Weatherby Vanguard / Howa 1500 / Ruger Hawkeye Pro-Series® Stocks with Pro-Center® Technology — H-S Precision, Inc. manufacturer manual secondary source
https://hsprecision.com/wp-content/uploads/2021/04/ProCenterInstructions_Ruger_Weatherby_Howa_HSPrecision_ProSeries.pdf (checked 2026-10-11)
[8] Grayboe — UMC (Universal Mini Chassis) Installation Instructions (web page) — Grayboe website secondary source
https://www.grayboe.com/pages/umc-installation-instructions (checked 2026-10-11)
[9] XLR Industries — Chassis & Buttstock Instructions (2022), linked from xlrindustries.com 'XLR Chassis System Instructions' (image-only PDF; read from the rendered page) — XLR Industries manufacturer manual secondary source
https://cdn.shopify.com/s/files/1/0995/2330/files/ChassisButtstock-Instructions-2022.pdf?v=1657120420 (checked 2026-10-11)
[10] How to remove Browning X Bolt striker from bolt — AccurateReloading.com Gunsmithing forum community anecdotal source
https://forums.accuratereloading.com/eve/forums/a/tpc/f/9411043/m/6821078912 (checked 2026-10-29)

Notes: Verified on 2026-09-15 against the factory manual, replacing the retraction made earlier the same day. Howa's disassembly section opens with 'First make sure the rifle is unloaded. Put safety ON.' — the opposite of the boilerplate this entry used to carry. The three-position safety's middle detent is the one that leaves the bolt free; fully rearward locks it. The Weatherby Vanguard is built on the Howa 1500 action, so the two share takedown, bolt, and most maintenance. Stocks, triggers, and barrel contours differ between the brands. On 2026-09-27 the procedures were re-checked against Howa's standard M1500 manual, which the entry now cites first: the disassembly wording and three-position safety are the same as in the Mini Action manual it cited before. Action-screw torque values taken from the Mini Action manual were removed; see the torque notes.

Found something wrong? Corrections are the most valuable contribution to this project. Open an issue with the model, the step, and a source.