Skip to product information
GoatGuns Diecast Mini Under Barrel Masterkey Shotgun Attachment for AR15
$20.00
Reliable shipping
Flexible returns
Overview
The GoatGuns Diecast Mini Under Barrel Masterkey Shotgun is a 100% diecast metal under-barrel attachment that brings serious tactical character to your GoatGuns AR15 and M16 miniature models. Modeled after the iconic Masterkey shotgun system, this attachment requires a small installation but rewards collectors with one of the most distinctive AR upgrades available.
Preloaded with 3 dummy shotgun shells and featuring a functional cycling action, this attachment also fits the GoatGuns M16A1 model when paired with the Grenadier handguard. Use the included screwdriver to mount and unlock a totally new dimension of customization for your AR display.
Key Features
- Under-barrel Masterkey shotgun attachment
- 100% diecast metal construction
- Preloaded with 3 dummy shotgun shells
- Compatible with M16 and AR15 miniature barrels
- Cycle/eject dummy shells with screwdriver or toothpick
- Includes mounting bracket and screwdriver
Performance Benefits
- Adds unique tactical character to AR builds
- Functional cycling shotgun shells
- Premium 100% diecast feel
- Authentic Masterkey styling
Usage Notes
- Requires removal of front sling loop and hand-guards to install
- Smaller bracket included for M16 fitment
- Compatible with M16A1 when using Grenadier handguard
- NOT compatible with AR Drum Mag
- Does NOT fit short barrel system
- For display and collection purposes only
Fitment
- GoatGuns Mini AR15 (with regular barrel)
- GoatGuns Mini M16 (with regular barrel)
- GoatGuns M16A1 (when using Grenadier handguard)
- NOT compatible with: short barrel, AR Drum Mag
Technical Specs
- Length: 5.25" (13.3cm)
- Height: 1.5" (3.8cm)
- Material: 100% diecast metal
- Capacity: 3 dummy shotgun shells
What's Included
- (1) Masterkey Shotgun Attachment
- (3) Dummy shotgun shells (preloaded)
- (1) Mounting bracket (with smaller M16-specific bracket)
- (1) Mounting screw and screwdriver
Summary
- Iconic Masterkey shotgun under-attachment
- 100% diecast metal, preloaded shells
- Fits AR15 and M16 mini barrels
- Includes mounting hardware
- Distinctive AR build customization piece