What is the adjustable pull weight range for the Rifle Basix RU-R BLACK trigger, and can it be safely set below 14 ounces?

The RU-R BLACK offers an adjustable pull weight ranging from 14 ounces to 2.5 pounds. The manufacturer's mechanical design does not safely support pull weights under 14 ounces, as adjusting below this threshold can cause the firing pin to drop or release when violently cycling the bolt.

Which specific Ruger rifle models are compatible with this replacement trigger, and does it work with full-size centerfire actions like the M77 or Ruger American?

This trigger is specifically compatible with Ruger bolt-action rimfire models including the 77/22, 77/22 Mag, 77/17, and 77/17 WSM, as well as small-platform centerfires built on the same architecture like the 77/44, 77/357, and 77/22 Hornet. It is explicitly incompatible with the Ruger American Rifle series, standard full-size centerfire M77 or Hawkeye actions, and Ruger VT two-stage setups.

Does the installation of the Rifle Basix RU-R BLACK require any permanent modifications to the factory safety mechanism?

No permanent metal removal or modifications are required during installation. The drop-in design features an eccentric-tip safety adjustment screw engineered specifically to accommodate broad factory tolerances on Ruger's three-position safety mechanism while retaining its full functionality.

Are there any special Australian regulatory or electrical compliance certificates required for purchasing or owning this firearm component?

As an unpowered, non-electronic mechanical firearm part, the RU-R BLACK does not require electrical certifications such as SAA or RCM, nor does it rely on 240V mains power. Triggers and internal trigger-group spare parts for registered Category A and B rifles are generally legal for retail sale across Australian states and territories, though local dealer and firearm regulations apply.

Rifle Trigger Upgrade - Rifle Basix RU-R BLACK

The Rifle Basix RU-R BLACK is a drop-in aftermarket replacement trigger engineered for Ruger 77-series bolt-action rifles. It replaces heavy factory internal trigger components with CNC-machined, heat-treated A2 tool steel levers featuring wire EDM-cut, radius-ground sear surfaces to minimise creep and overtravel. The trigger mechanism provides user-adjustable pull weights ranging from 14 oz (approximately 0.88 lbs) to 2.5 lbs, operating with both right- and left-handed actions. It incorporates an eccentric-tip safety adjustment screw that fits Ruger factory tolerances, allowing shooters to retain and utilize the factory three-position safety mechanism without metal removal.

Key Features

Adjustable Pull Weight: Features an adjustable break window from 14 oz up to 2.5 lbs for light, crisp trigger release.
Tool Steel Construction: Machined from heat-treated A2 tool steel with wire EDM-cut levers and a black oxide finish.
Factory Safety Compatibility: Retains the Ruger three-position safety via an integrated eccentric-tip safety adjustment screw.
Sear Geometry: Radius-ground sear surfaces designed to substantially reduce factory take-up, creep, and overtravel.
Ambidextrous Fit: Functions directly in both right-hand and left-hand Ruger 77 bolt-action receivers.

Specifications

Adjustable Pull Weight: 14 oz to 2.5 lbs (nominal factory operating window commonly listed as 1.5 lbs to 2.5 lbs)
Packaged Shipping Weight: Approximately 0.108 lbs (~49 g)
Material & Finish: Heat-treated A2 tool steel; black oxide / blued finish
Power Requirements: None (purely mechanical)
Compatible Rifles: Ruger bolt-action rimfire models (77/22, 77/22 Mag, 77/17, 77/17 WSM) and compact centrefire models (77/22 Hornet, 77/357, 77/44)
Incompatible Platforms: Ruger American Rifle series, standard full-size centerfire Ruger M77 / M77 Mark II / Hawkeye actions, and Ruger VT (Varmint/Target) two-stage setups

Who is the Rifle Basix Black Replacement Trigger For Ruger Rimfire Rifles 1.5lbs-2.5lbs. for?

Rimfire precision target shooters and benchrest plinkers — requires an adjustable break that tunes down to 14 oz to prevent pulling off target during stationary shot placement, making this Ruger rimfire replacement trigger an ideal mechanical upgrade over heavy factory units.
Small game and varmint hunters using Ruger 77-series rifles — benefits from an adjustable pull weight window capped at 2.5 lbs, giving field shooters an ultra-crisp break on rotary-magazine platforms targeting rabbits, foxes, and feral pests without sacrificing the security of the factory three-position safety.

Less suitable for: Shooters requiring ultra-light competition pull weights below 14 oz (which risk firing pin drops during bolt cycling and require dedicated 2–3 oz match triggers), field shooters needing heavy pull weights exceeding 3.0 lbs for gloved utility use (who are better served by factory springs), or owners of the Ruger American Rifle series and standard full-size centerfire Ruger M77 / Hawkeye actions (which require dedicated full-size centerfire trigger assemblies).

SKU	RBX41997LP
Model #	RU-R BLACK
Brand	Rifle Basix
Shipping Weight	1.0000kg

What our Customers are Saying

We Also Recommend

Lee Breech Lock Challenger Kit Iii - With Auto Be

$414.95

Pro-shot 1ps-38-17 Stainless Steel Rifle Cleaning

$122.95

Kleenbore Cp16b Cotton Cleaning Patches 1.25 Inch

$32.95

Recommended Products

Rifle Basix Cz-52 Replacement Trigger 10oz To 2.5l

$213.95

Rifle Basix Cz-527 Replacement Trigger 12oz To 3lb

$213.95

Rifle Basix Cz-53 Replacement Trigger 12 Oz To 2.5

$213.95

Rifle Basix Cz-55 Replacement Trigger Cz 455 10oz

$213.95

Welcome to Xhunter Australia. By accessing and using our website (www.xhunter.com.au) and purchasing from our online store, you agree to be bound by the following Terms and Conditions. Please read them carefully before proceeding.

1. Eligibility

By agreeing to these Terms and Conditions, you confirm that:

• You are at least 18 years of age.
• You are legally capable of entering into a binding contract under Australian law.
• You will not purchase any restricted or controlled items unless legally permitted to do so.

2. Product Information

• All products listed are subject to availability.
• Product descriptions, specifications, and pricing are subject to change without notice.
• We make every effort to display products accurately, although we do not guarantee that all images or content are error-free.

3. Orders and Payments

• All orders are subject to acceptance and confirmation.
• Prices are in AUD and include GST unless otherwise stated.
• We reserve the right to cancel or refuse any order at our sole discretion.
• Full payment is required before dispatch.

4. Authority to Leave (ATL) and Delivery

• By default, all orders are shipped with Authority to Leave (ATL).
• If you require Signature on Delivery, please contact us prior to purchasing. Additional charges apply.
• If an order is returned to us due to failed delivery or non-receipt when ATL is not permitted, a $25 return processing fee must be paid before reshipment or refund.

5. Returns and Refunds

• Please refer to our full Returns Policy on the website.
• Returned items must be in original, resalable condition unless faulty.
• A restocking fee may apply if an item is not in reselling condition.
• Change-of-mind returns may not be accepted for clearance or custom-ordered items.

6. Firearms and Restricted Items

• You must comply with all relevant State and Federal laws for regulated products.
• You are responsible for ensuring proper licences and permits are held.
• We reserve the right to request proof of eligibility before dispatch.

7. Limitation of Liability

• Xhunter Australia is not liable for direct or indirect losses arising from the use or misuse of products.
• We are not responsible for any unauthorised modifications or incorrect application of products.

8. Manufacturer Warranty Support

Some products sold by Xhunter Australia include a manufacturer’s warranty (for example, limited lifetime warranties). These warranties are provided solely by the manufacturer and are separate from the consumer guarantees under Australian Consumer Law.

Where a manufacturer provides a warranty:

A. The warranty is offered and honoured by the manufacturer, not by Xhunter Australia, unless expressly stated otherwise.
B. Customers may be required to contact the manufacturer directly and comply with their warranty process, which may include overseas product assessment.
C. Proof of purchase is required to lodge a manufacturer warranty claim.
D. Assistance provided by Xhunter Australia in lodging warranty claims is a goodwill service only and does not imply liability for warranty outcomes or decisions.

Nothing in this clause limits your rights under Australian Consumer Law.
Xhunter Australia remains responsible for providing legally required remedies for products that fail to meet the consumer guarantees of acceptable quality, fitness for purpose, and reasonable durability.

9. Privacy

Your personal information is collected, used, and stored in accordance with our Privacy Policy.

10. Intellectual Property

All text, graphics, logos, and images on this website remain the property of Xhunter Australia and are protected by copyright laws.

11. Amendments

We may update or modify these Terms and Conditions at any time without prior notice. Continued use of our site constitutes acceptance of any updated Terms.

12. Governing Law

These Terms and Conditions are governed by the laws of Victoria, Australia. Any disputes will be handled exclusively by the courts of Victoria.

13. 18+ Age Requirement

By placing an order, you confirm that you are at least 18 years of age and legally entitled to purchase the products ordered. We may cancel any order that breaches this requirement.

Rifle Basix Ru-R Black Replacement Trigger Ruger Rimfire 2.5 Lb

Secure Payment Methods