The Sillybutts Excalibur is a pump-action spring-powered blaster that combines the compatibility of Captain Slug's Caliburn with the improvements of Silly's earlier Alchemist. Featuring a buttery smooth bearing-assisted prime and quickly-swappable full-length springs, this blaster is satisfying to fire at virtually every performance level. Additionally, its long dart magwell and optional wide barrel chamber make the Excalibur one of the best, most versatile blasters for beginners with existing darts and mags.
This hardware kit includes everything you need to print the 3D parts and assemble this blaster yourself (3D files available below).
FEATURES: • Excalibur Hardware Kit • Pump-Action mag-fed springer • Designed + licensed by Sillybutts • Smooth Bearing-assisted prime • Toolless rear spring swap cap • Tensioned body adds strength and rigidity • Compatible with Full-length "N-Strike" Magazines • Standard Talon-compatible with printed adapter • Compatible with 280mm (11in) Caliburn-length springs
INCLUDES: Everything you need to print and assemble this blaster yourself! • 1 Main Spring of your choice • 1 Barrel in length of your choice • Hardware
* A foregrip is not included in this kit
PERFORMANCE: AverageFPS with short darts + 0.527 x 12in barrel • 100 (5) FPS with a 1.6 x 280mm spring (K31) • 132 (6) FPS with a 2.0 x 255mm spring (788) • 205 (7) FPS with a 2.0 x 280mm spring (K25)
AverageFPS with full-length darts + 0.527 x 12in barrel • 103 (5) FPS with a 1.6 x 280mm spring (K31) • 131 (4) FPS with a 2.0 x 255mm spring (788) • 183 (4) FPS with a 2.0 x 280mm spring (K25)
I won an Out of Darts kit last Christmas by entering the 3D Printing Nerd's giveaways in support of Seattle Children's Hospital. I ordered an Excalibur kit with 4 magazines and darts along with a grip. The kit was compete! The parts and instructions are perfect, I am very impressed with the prints and their fit! I used a handheld paintball chronograph and consistently got between 185-195 feet per second with the wide breach and short darts! I don't remember the spring but it must be the K25. I also got a box of short darts, a grip and 4 magazines!
N
Nick P.
Super easy to use blaster
Was looking for a blaster that my wife and son (7) could use so I go the low power kit and they both can use it, will have to make another for my son so we can battle and go to foam flinging events. It is much smoother and easier to use than my Caliburn 4 which my son couldn't pull back with the weakest spring.
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