About PROJECT: B.M.R.F. M4A1 (MP5 Replacement)
What the creator says, alongside confirmed listing details.
PROJECT: B.M.R.F. M4A1 (MP5 Replacement) is a community item for Black Mesa listed on Steam Workshop.
Project B.M.R.F. aims at replacing the vanilla weapons with much better detailed models and a mix of realistic and movie-like fancy animations. By default, the...
Mod details
- Game
- Black Mesa
- Creator
- AlbanyKnight
- Category
- Unclassified
- Published
- September 25, 2025
- Last Workshop update
- March 15, 2026
- Workshop item
- #3574414130
Screenshots
1 image from the mod listing
Timeline
Key dates from the original listing and ModOrNot's catalogue.
-
First published
The item was first published on Steam Workshop. Steam listing ↗
-
File last updated
Latest file-change date reported by Steam Workshop. Steam listing ↗
Why it ranks here
PROJECT: B.M.R.F. M4A1 (MP5 Replacement) currently has 3,309 subscribers. Recent growth metrics are unavailable; the last calculation was 5d ago.
Metrics from 8 stored snapshots. How ModOrNot ranks mods →
Subscriber change since tracked
View change since tracked
Favorite change since tracked
Platform availability
Availability is only claimed when an official source proves it. A platform we cannot verify is shown as “Not verified” — we never assume a PC Workshop mod runs on a console.
More Black Mesa mods
| Mod | Subscribers | 7d | Score |
|---|---|---|---|
| 124 | +97 | 99.8 | |
| 44 | +41 | 99.8 | |
| 103 | +58 | 99.6 | |
| 15 | +10 | 99.2 | |
| 131 | +48 | 99.0 |
Frequently asked questions
How popular is PROJECT: B.M.R.F. M4A1 (MP5 Replacement) compared with other Black Mesa mods?
It ranks #285 among 2,842 tracked active Black Mesa mods by subscribers — within the top 10.03%. This is a subscriber-based position, not a quality verdict. Counts and placement can change as the catalogue updates.
Is PROJECT: B.M.R.F. M4A1 (MP5 Replacement) available on PC?
The official Steam Workshop listing establishes PC distribution for Black Mesa. This does not verify current downloadability or compatibility with every PC configuration. Official source ↗
When was the mod last updated?
The source listing reports March 15, 2026 as the last file update. A later comment or catalogue refresh does not mean the mod file changed. Official source ↗
What does the ModOrNot Score mean on this page?
It is a 0–100 momentum signal: 50% subscriber-growth velocity relative to mods in the same game, 20% favorite growth, 20% view growth, and 10% update recency. It is not a quality rating. A recent score is unavailable for this mod, so no estimated value is shown.
Are these the real Steam Workshop numbers?
ModOrNot stores public Steam Workshop counts from its collection runs. The totals shown here are the latest counts stored in our catalogue; changes over time are calculated from recorded observations, not invented values. They can differ from the live listing until the next collection.
How is the rank computed?
ModOrNot compares tracked active Black Mesa mods by their current stored subscriber totals. Rank #1 has the most subscribers; equal totals share a rank. The rank is calculated when this page loads and can change as counts or the catalogue change.