M249 .300blk
🟡 Updated this yearPreview
🔍 Analysis
- 👍 1.2% endorsement rate — high engagement, a strong quality signal
- 🏆 #125 of 790 Weapons mods in this game by downloads
📋 About This Mod
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20260729 Update V3:
Add a thermal eye scope, requiring GTSI's Scopes ver 11
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20260630 Update V2:
Add a long tatical version of M249, this M249 copy and pasted attachments from the Primary One in Quick Mode (Not in comando Mode)
Better ejected ammo link animation.
Judge got some retired M249 LMGs (replaced by M250 LMGs) from friends in National Guards. Due to the poor power of 556 rounds, Judge decided to modify them into . 300 blk version instead of 556 version in order to fight heavyly armed MLOs.
贾治从国民警卫队的朋友那里搞来一些退役的M249机枪,但是556火力不够强，因此贾治改造成了. 300版本。
Add an M249 belt-fed LMG from COD20, firing 100 rounds of . 300 blk rounds, with additional features and custom animations (mag check/reloading/grip/Melee).
1.子弹可以压制效果。Bullets can suppress civs and sus in 30m.
Ammunitions: . 300 penetrate . 300穿甲弹
. 300 hollow （cause dismemberment） . 300空尖弹 有肢解效果
. 300 enh (combination of two above) . 300 强化子弹
2. 近战攻击变成踢击，可以击倒嫌犯平民，破门，多次踢击会致死。Using kicking as melee method to knock down targets and breach doors. Multiple kicking can be lethal.
Get Attachments from GTSI's Scopes
武器配件需要 GTSI's Scopes
A compact weapon mod for Fallout 4 that adds a modified M249 LMG chambered in .300 Blackout, replacing the standard 5.56 round. It's a lore-friendly addition for players who want a heavier-hitting light machine gun. With 274 endorsements and recent updates, it's a niche but active mod.
✨ Key Features
📊 Pros & Cons
✅ Pros
- Solid community support with 274 endorsements and over 23k downloads.
- Unique caliber swap gives the M249 a punchier feel for late-game fights.
- Lore-friendly integration with a fun backstory about National Guard surplus.
⚠️ Cons
- Potential compatibility issues with other weapon mods that alter the M249 or ammo lists.
- May require a mod manager to install properly, which could be a hurdle for console players.
- Limited to a single weapon, so if you're looking for a pack, this isn't it.
For Fallout 4 players who want a heavier-hitting LMG with a lore-friendly twist. If you're tired of the vanilla 5.56 and want something that shreds through raiders, this is for you. Skip if you're on console or prefer weapon packs over single additions.
💡 Beginner Tips
- Use a mod manager like Vortex or Mod Organizer 2 to avoid manual file placement issues.
- Check your load order to ensure no other mods overwrite the M249 or .300 Blackout ammo.
- If you're on PC, consider using FO4Edit to check for conflicts with other weapon mods.
📊 Mod Details
- Game
- Readyornot Mods
- Author
- nexGTSI
- Version
- 3
- Downloads
- 23,703
- Endorsements
- 274
- Category
- Weapons
- Created
- 6/12/2026
- Updated
- 7/29/2026
🧩 Commonly Used Together
Users add these mods to the same collections — a real compatibility signal, not an AI guess.
🔧 How to Install Ready or Not Mods
Download from Nexus Mods.
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Visit the official mod page for specific installation instructions for this mod.
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