2nd Degree Caliburn (Double Barrel Caliburn)

US$210.00

Pump-action, double magwell, mag fed, customizable. Variable performance based on spring and upgrade parts selected. Darts & magazines sold separately.

This is for a 2nd Degree Caliburn. For the C4, see this link.

Shown as Red
Shown as Yellow
More Spring Options Here
More Spring Options Here
Color configurator found here: Caliburn Color Configurator
Product total
Options total
Grand total
This item is made-to-order and will not be shipped until made (2-3 weeks).
Please double check your printed part color selection. Colors cannot be changed after checkout.

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Categories: 3D Printed Item, assembled-blaster, Blasters, Designs by Captain Slug, Fully Assembled Blasters, Fully Assembled Spring Blasters, made-to-order, printqueue, Primary, Assembled Blasters, Caliburn, Fully Assembled and Tested Blasters

This is for a 2nd Degree Caliburn. For the Caliburn 4 (C4), see this link.

The 2nd Degree Caliburn or 2nd Degreeburn is a homemade Nerf blaster originally designed by CaptainSlug from NerfHaven. Pump action, double magwells, mag-fed, variable FPS. Listing is for an assembled and tested 2nd Degree Caliburn blaster.

*All FPS numbers are base starting numbers with default set up and average seal.
*Metal and Carbon Fiber threaded rod covers increase rigidity.

Information on Caliburn Dart & Magazine Compatibility here

Information on Caliburn Upgrade Parts here

ELITE Version
– Compatible with Nerf magazines, knock-off brand magazines, and most magwell adapters.
– Comes with aluminum skinny-pusher ramrod core with o-ring notch
– Color configurator provided by CaptainSlug: http://captainslug.com/nerf/caliburn/e/

MEGA Variant
– Compatible with Nerf, BuzzBee, and 3D printed Mega magazines
– Comes with aluminum skinny-pusher ramrod core with o-ring notch.

 

Special thanks to Captainslug for the great design. Design used with his permission.

Weight 4 lbs
Dimensions 31 × 4.5 × 5 in

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Are the FPS estimates for half length darts or full length darts, and if they are for full length darts what spring and .509 barrel combination might hit around the 210 FPS mark? Huh asked on July 3, 2025

They are for half length darts!

 Frontline Foam answered on July 8, 2025 store manager
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