Herbicide label
RIMFIRE Max
RIMFIRE Max (EPA 264-1099) is a Group 2 mesosulfuron-methyl and propoxycarbazone herbicide labeled for 4 crops. The label lists 17 controlled weeds, plus partial-control, suppression, and partner-control categories.
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“RIMFIRE Max Herbicide is absorbed by foliage and roots of weeds and offers contact and residual weed control.”
RIMFIRE Max label facts
- Product RIMFIRE Max
- EPA Reg. No. 264-1099
- Registrant Bayer CropScience, LLC
- Active ingredient mesosulfuron-methyl and propoxycarbazone
- MOA group 2
Crops on the RIMFIRE Max label
RIMFIRE Max is labeled for these 4 crops and uses, per the EPA label.
Need the rate or timing for one of these? Filter every label by your crop, free.
Weeds on the RIMFIRE Max label
The RIMFIRE Max label names 34 weeds and rates each by how the product handles it: full control, partial control, suppression, or control with a tank-mix partner. A weed can fall at more than one level, because control varies by crop, rate, and timing.
Controls
full control17- barnyardgrass, common
- volunteer canola
- cheat
- foxtail barley
- foxtail, green
- foxtail, yellow
- mustard, black
- mustard, blue
- mustard, tansy
- mustard, tumble
- mustard, wild
- wild oats
- radish, wild
- rocket, london
- turnip, wild
- beet, wild
- brome, japanese
Partial control
partial17- barley, little
- bedstraw, catchweed
- brome, downy
- brome, smooth
- chickweed, common
- chickweed, mouseear
- clover, red
- cornflower
- darnel, persian
- dogfennel
- henbit
- pennycress, field
- pigweed, redroot
- quackgrass
- shepherd's-purse
- speedwell
- swinecress
Want the control level for your crop, or to filter 1,700+ labels by any of these weeds? Use the free label filter.
RIMFIRE Max rates and plant-back
The label answers both with a table, not a single number. Here is what drives each answer.
Application rate
Your rate depends on your crop.
Get the rate for your field: build a program and FieldMarshal gives you the exact per-acre rate for your crop from the label line.
Plant-back and rotation
Your interval depends on your application rate and the rotational crop.
Get the interval for your rotation: build a program and FieldMarshal gives you the exact plant-back for your rotational crop from the label line.
RIMFIRE Max FAQ
What weeds does RIMFIRE Max control?
The RIMFIRE Max label names 34 weeds, including common barnyardgrass, volunteer canola, cheat, foxtail barley, green foxtail, and yellow foxtail. Control varies by crop, rate, and timing.
What crops is RIMFIRE Max labeled for?
RIMFIRE Max is labeled for 4 crops and uses, including wheat, winter wheat, spring wheat, and durum wheat.
What is the active ingredient in RIMFIRE Max? Is it a generic?
RIMFIRE Max's active ingredient is mesosulfuron-methyl and propoxycarbazone (MOA Group 2). Other products list the same active ingredient; rates, formulations, and labeled crops differ — verify each on its own label.
What's the plant-back interval after RIMFIRE Max?
It depends on your rotational crop, application rate, and region, so the label gives a table, not one number. Build a program and FieldMarshal gives you the exact interval for your rotation from the label line, so you can verify it.
Build a program →Can I tank-mix RIMFIRE Max?
It depends on your target weeds, crop stage, and which partners the label approves. Build a program and FieldMarshal checks the label for approved partners and gives the condition on each, so you can verify it.
Build a program →Plan in minutes, not hours.
Start with RIMFIRE Max and let FieldMarshal build a defensible herbicide program for your field, every product, rate, and plant-back cross-referenced and checked against the label.
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Sources
Last updated 2026-07-14.