Will the Rifle Basix MAR-917 fit my Marlin XT model rifle?

No, this trigger is specifically engineered for Marlin bolt-action rimfires featuring the factory T-900 fire-control system, such as models 915, 917, 925, 980, 981, 982, and 983. It is completely incompatible with 2011 and newer Marlin XT models equipped with the Pro-Fire trigger system, pre-2005 Marlin actions requiring the MAR-1 trigger group, or XR-17 actions.

What is the adjustable pull weight range, and does it eliminate trigger creep?

The MAR-917 features independent set-screw adjustments designed to eliminate factory trigger creep and deliver a crisp break. It provides an adjustable pull weight ranging from 1.0 lb to 2.5 lbs, though technical documentation notes a functional range starting from approximately 14 oz while preserving normal bolt cycling.

Do I need any special electrical certifications or permits to install this trigger in Australia?

Because this is a purely mechanical firearm component, electrical compliance standards such as 240V ratings, SAA approvals, and RCM markings do not apply. In Australia, replacement triggers are un-serialized parts, but since installation alters the factory pull weight, you must ensure your modification complies with your local state or territory firearms legislation and professional gunsmith fitting is recommended.

What materials are used in the construction of the MAR-917 replacement trigger?

The trigger assembly features a robust housing CNC-machined from T6 6061 billet aluminium for reliable performance in harsh Australian bush and outback conditions. Its internal sear components are wire-EDM cut from A2 tool steel, then heat-treated and polished to ensure long-term durability and a smooth, consistent pull.

Marlin Rimfire Trigger - Rifle Basix MAR-917 Silver

The Rifle Basix MAR-917 Silver Replacement Trigger is an aftermarket fire-control unit engineered to replace the factory T-900 trigger system on Marlin bolt-action rimfire rifles. Constructed with a housing CNC-machined from T6 6061 billet aluminium, the assembly features internal sear components that are wire-EDM cut from A2 tool steel, heat-treated, and polished. It installs as a direct replacement utilizing the rifle's factory safety and pivot pin, reducing overall trigger pull weight and eliminating sear creep without altering the firearm's mechanical safety functions.

Key Features

Adjustable Pull Weight: Features user-adjustable pull weight calibrated from 1.0 lb to 2.5 lbs (approximately 450 g to 1,134 g) via an integrated set screw.
Creep Elimination: Independent set-screw adjustment provides precise regulation of sear engagement to remove pre-travel and creep.
Direct Hardware Integration: Drop-in design reuses the rifle's original factory safety and pivot pin, supplied complete with dedicated hex wrenches and installation hardware.
Machined Construction: Combines a lightweight T6 6061 aluminium billet housing with wear-resistant A2 tool steel internal working surfaces.
Calibre and Magazine Agnostic: Operates independently of the magazine well across .22 LR, .22 WMR, and .17 HMR chamberings, serving both tubular and detachable box magazine platforms.

Specifications

Product Type: Rimfire bolt-action replacement trigger assembly
Weight of Pull: Adjustable from 1.0 lb to 2.5 lbs (approximately 14 oz to 2.0 lbs functional bolt-removal range)
Bare Trigger Weight: Approximately 0.5 oz (~14 g)
Packaged Weight: Approximately 0.127 lbs (~58 g)
Housing Material: CNC-machined T6 6061 billet aluminium
Sear Material: Wire-EDM cut, heat-treated, and polished A2 tool steel
Action Compatibility: Marlin bolt-action rimfires equipped with the T-900 system, including Models 915, 917, 925, 980, 981, 982, and 983
Power Requirements: None (fully mechanical)

Who is the Rifle Basix Silver Replacement Trigger For Marlin Rimfires With T-900 System 1-2.5lbs for?

Small-game hunters using Marlin bolt-action rimfires — adjustable pull weight settings between 1.0 lb and 2.5 lbs allow this Marlin rimfire replacement trigger to provide a significantly lighter, crisper break than factory groups for precise shot placement in the field.
Vermin controllers seeking to eliminate trigger creep — independent sear-engagement set-screw adjustment and a 0.5 oz bare trigger assembly weight deliver immediate, consistent sear release down to 1.0 lb for rapid pest eradication.
Target shooters upgrading Marlin T-900 trigger systems — precision-machined A2 tool steel engagement surfaces offer a tuned release threshold adjustable down to a 1.0 lb minimum pull weight to minimize movement during bench and position shooting.

Less suitable for: Pre-2005 Marlin bolt actions, 2011+ Marlin XT models equipped with the Pro-Fire trigger, XR-17/XR-17V actions, and Marlin lever-action models; owners of these rifles require early-pattern rimfire triggers, Pro-Fire-specific trigger units, or dedicated lever-action fire-control assemblies.

SKU	RBX41994LP
Model #	MAR-917 SILVER
Brand	Rifle Basix
Shipping Weight	1.0000kg

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Rifle Basix Mar-917 Silver Replacement Trigger 1 To 2.5 Lbs

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