
Sentry Blocks by Four
Bedrock add-on listed for Minecraft 1.21 (behavior + resource pack). File opened and checked on 22 Sep 2026; installs from the MC Bedrock Mods app on Android.
⬇ Download on CurseForge
Protect your base from Zombies and other Players with a hidden Sentry Block, Craft your defence and watch as it takes on Mobs with ease!
Before you start your road to full protection you will need an Assembly Bench.

Using the Assembly Bench you can start creating your Sentry Blocks.
By changing the Block at the bottom of the Recipe you will change the design of the Sentry Block
Place a Sentry Block down and power it (Tame it) with some Red Stone.
Once Powered it will be set to Default which means it will target Monsters, interact with the Sentry Block to swap the target to Players
If for any reason you would like to move base and take your Sentry Gun Blocks with you use the menu and choose Pick Up!
Now your Sentry Block will keep you safe from hoards of Zombies or Players.
This add-on DOES NOT require experimental features.
The player.json IS NOT used in this add-on
Achievement Compatible
- Edition: Minecraft Bedrock
- File type: .mcpack or .mcaddon
- Minecraft versions listed: 1.21.123, 1.21.124, 1.21.130
- How to install: Download the .mcpack or .mcaddon file. → Open it — Minecraft imports it. → In your world: Behavior Packs → Available → Activate, then the same under Resource Packs.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Bedrock addons & mods walks through it step by step.
- Pack type: .mcaddon — behaviour and resource pack in one file
- Manifest requires Minecraft 1.21.0 or newer
- Complete pack — everything it depends on is inside the file
- Download size: 629 KB
- Download link checked 5 Oct 2026 — working
These come from our own check of the pack file, not from the source page.