Montana Unit 405 Mule Deer Hunting Guide

Montana Unit 405 sits in the eastern portion of the state's deer country, an area defined by low-relief terrain and a landscape dominated by private ownership. For hunters researching Montana Unit 405 deer hunting opportunities, this is a unit that demands realistic expectations about access, a clear understanding of the state's application system, and a willingness to do the legwork required to hunt productively on the small percentage of ground open to the public.

At 301,646 total acres with an elevation range of just 2,618 to 3,925 feet, Unit 405 is low, rolling country rather than mountainous terrain. That elevation band tells hunters what to expect on the ground: gentle topography, agricultural and rangeland influences, and none of the steep, broken relief found in Montana's western hunting districts. There's also no wilderness acreage in this unit, so none of the state's wilderness-guide requirements come into play here — but that's a minor point given the much larger access challenge hunters face in Unit 405.

HuntPilot Analysis: Is Unit 405 Worth Applying For?

The single most important number for any hunter evaluating Unit 405 is the 9% public land figure. That means roughly 91% of the unit's 301,646 acres is privately held. This is not a unit where a nonresident or resident DIY hunter can show up, park at a public trailhead, and expect to find open country to hunt. The overwhelming majority of the huntable ground here is in private hands, and hunters without landowner permission, a lease arrangement, or an outfitter connection will find their opportunities severely limited.

That said, the harvest numbers show this unit produces deer. In 2023, 2,262 hunters harvested 772 animals for a 34% success rate (unit total). In 2021, 1,936 hunters harvested 720 animals for a 37% success rate. Those are respectable success percentages for a general deer unit, and they indicate that hunters who do gain access — whether through public tracts, landowner permission, or a leased/guided arrangement — have a real chance at putting a tag on an animal. The consistency between the two years (34% and 37%) also suggests a stable harvest pattern rather than a unit in decline or a fluke year.

Trophy potential in the counties overlapping Unit 405 is best described as moderate. There's a documented history of trophy-class deer coming from this general area, but it isn't among the standout trophy pedigrees in the state. Hunters chasing a genuine trophy-caliber buck should treat Unit 405 as a solid opportunity unit rather than a bucket-list trophy destination — moderate trophy potential paired with limited public access means most hunters here are better served going in with meat-hunting or general-opportunity goals, with a quality buck as a bonus rather than the expectation.

The bottom line: Unit 405 is worth considering primarily for hunters who already have access lined up — a family farm connection, a landowner relationship, or a lease/outfitter arrangement — or for hunters willing to invest serious pre-season effort identifying the public parcels that do exist and securing walk-in permission on surrounding private land. Hunters without any access plan should think carefully before prioritizing this unit, given that over 90% of the ground is off-limits without permission.

Harvest Success Rates

Unit 405's harvest data shows a unit that produces tags filled at a meaningful clip despite the access challenges. The two most recent years on record:

• 2023: 2,262 hunters, 772 harvested, 34% success (unit total)
• 2021: 1,936 hunters, 720 harvested, 37% success (unit total)

These figures represent unit-wide totals across all hunters, not a breakdown by hunt type or weapon. The fact that success rates held in the mid-30s percent range across both years suggests a fairly stable deer population and consistent hunter effort translating into harvest. Hunters should note that these numbers reflect the whole hunting population in the unit — for a specific tag type or draw category, additional research through HuntPilot's unit page is the best way to drill into more granular data.

For a unit with such a small public land base, a success rate in the mid-30% range is a meaningful signal: it indicates that hunters who are actually getting access to huntable ground are finding and killing deer at a solid rate. The limiting factor in Unit 405 isn't deer density or huntability once you're on the ground — it's getting on the ground in the first place.

Trophy Quality

Trophy record data for the counties overlapping Unit 405 reflects a moderate history of trophy-class deer. This is not a unit with a thin or nonexistent trophy record, but it also isn't among the elite trophy-producing regions of Montana. Hunters should read this as: quality bucks are taken from this area with some regularity, but it is not a unit built around consistent record-book production.

Given the county-based nature of how trophy records are tracked, these entries are shared across all units overlapping the same counties as Unit 405 — the animals recorded may have come from anywhere within that broader area, not exclusively from Unit 405 itself. Hunters targeting an exceptional buck should weigh this moderate trophy history against the unit's very limited public access; big, mature bucks in this kind of low-relief, heavily private terrain often live out their lives on land that never sees public hunting pressure, which can work in favor of trophy quality on the private ground but works against public-land hunters trying to find them.

Access & Terrain

Access is the defining challenge of Unit 405. With only 9% of the unit's 301,646 acres classified as public land, the vast majority — roughly 91% — is privately owned. This firmly places Unit 405 in the category of units where DIY public-land hunters will face serious access limitations. Hunters should not expect "plenty of public access" here; the math simply doesn't support that characterization.

There is no wilderness acreage in this unit (0%), so the access equation isn't complicated by wilderness travel restrictions or Wyoming-style guide mandates (which, notably, don't apply in Montana regardless of wilderness status). Instead, the access equation in Unit 405 is almost entirely about private land relationships: securing landowner permission, working through any available walk-in or block management-style access programs, or hunting with an outfitter who holds leases or landowner sponsorships in the area.

Terrain-wise, the elevation range of 2,618 to 3,925 feet points to gently rolling country rather than rugged mountain terrain. This is consistent with much of eastern Montana's deer range — open rangeland, agricultural draws, and low-relief hills rather than steep timbered slopes or alpine basins. Hunters accustomed to western Montana's mountain units should recalibrate expectations: Unit 405 is about finding deer in open, lower-elevation country and negotiating access to private ground, not about physical terrain difficulty.

Hunters planning a trip to Unit 405 should use available mapping tools — including HuntPilot's public land overlays — well before the season to identify exactly where the public parcels sit relative to private boundaries, and to plan a realistic strategy around that 9% public footprint.

How to Apply

Montana's application system for deer tags in Unit 405 runs through a defined window each year, and the fee structure differs meaningfully between residency classes and tag types.

Montana's deer application system uses a bonus point structure for limited draws, with points functioning as additional weighted chances rather than a guaranteed accumulation toward a tag. Hunters should not assume a certain number of points guarantees a draw in Unit 405; instead, check HuntPilot's Montana state page (/states/mt) or the current state draw report for up-to-date odds information specific to this unit and tag type.

Application dates and fees change every draw cycle. For the current deadlines, fees, and draw odds, see HuntPilot's Montana page at /states/mt.

Frequently Asked Questions

What is the terrain like in Montana Unit 405? Unit 405 sits at a relatively low elevation range of 2,618 to 3,925 feet, indicating gently rolling terrain rather than steep mountain country. This is consistent with open rangeland and agricultural-influenced landscape typical of low-relief hunting districts, rather than the alpine or heavily timbered terrain found in Montana's western units.

What is harvest success like in Unit 405? Recent unit-wide harvest data shows a 34% success rate in 2023 (772 harvested out of 2,262 hunters) and a 37% success rate in 2021 (720 harvested out of 1,936 hunters). These are solid, consistent success percentages for a general deer unit, though they reflect all hunters and tag types combined rather than a single hunt category.

How big are the deer in Unit 405? Trophy records for the counties overlapping Unit 405 show a moderate history of trophy-class deer. This isn't a unit with an elite trophy pedigree, but quality bucks have come from the broader area. Hunters should treat trophy potential here as a bonus to a solid opportunity hunt rather than the primary draw.

Is Unit 405 worth applying for? It depends heavily on access. With only 9% public land, Unit 405 is not an easy DIY public-land unit — over 90% of the ground is private. Hunters with an existing landowner relationship, lease, or outfitter connection can find real value here given the solid harvest success rates. Hunters without any access plan should weigh this limitation seriously before prioritizing the unit.

Does Unit 405 have public land access problems? Yes. At 9% public land out of 301,646 total acres, the vast majority of Unit 405 is privately owned. This is a significant access constraint, and hunters should plan around securing private land permission or leased access rather than expecting to hunt public ground exclusively.