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Empty Chamber Flag

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P1S
X1 Carbon
A1
X1E
H2D
P2S
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H2D Pro
A1 mini
P1P
X1
H2S
X2D
A2L

0.16mm layer, 3 walls, 20% infill
0.16mm layer, 3 walls, 20% infill
Designer
50 min
1 plate
5.0(2)

Open in Bambu Studio
Boost
25
94
3
1
102
60
Released 

Bill of Materials

List other parts
  • Elastic Cord x 1: Up to 4mm in diameter, 4mm is a squeeze but can fit.
  • Keyring x 1: Add a keyring to make the flag even harder to miss.

Description

MBR Rimfire Accessories Collection

This series is a set of custom 3D-printed rimfire accessories I designed for use with my Bergara B14R. The goal was to create practical, functional kit that also looks clean and cohesive, with matching hex pattern detailing and my MBR logo throughout.

Current designs include:

  • AICS Magazine Holder – Tek-Lok compatible, adjustable fit using a resizing insert. 
  • Chamber Flag – Clear chamber indicator, featuring the same hex styling and a lanyard loop for easy handling and visibility.
  • Control Bridge for MDT Chassis – designed to fit ACC Elite, ACC Premier GEN2, and LSS Gen 3 Competition forends.

All models are designed with real-world use in mind — easy to print, sturdy, and with just enough style to make your gear stand out.


More designs to come in the future.
 

Boost Me (for free)

Boosts = motivation for me to make more gear 😅 appreciate the support!


This is a custom chamber flag following the same hex pattern and logo theme as my other parts. It’s a simple but effective way to show clear when your rifle is not in use.
 

The flag features a rounded insert tab, along with a couple of holes for attaching some elastic cord to hold your bolt securely against the chamber flag and a keyring so it is impossible to miss. I printed mine in PLA at 0.16 mm layer height, which came out strong and clean.

It’s lightweight, easy to spot, and adds a touch of personal style to range safety gear.

 

Use up to 4mm elastic cord, ideally also in a bright colour, to help stop the bolt moving and the chamber flag from potentially falling out. 4mm is a squeeze but its what I used in my photos.

Comment & Rating (3)

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printed in bambu PLA-CF turned out great!
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0.16mm layer, 3 walls, 20% infill
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License

This user content is licensed under a Standard Digital File License.

You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.