BUILD GUIDE: SLAB

SIllybutts is a maniac when it comes to designing blasters, and Silly's Lever Action Blaster (SLAB) is one of his best designs yet. Depending on the spring you choose, it's a satisfying and fun springer for plinking, super-stock, and HvZ; surely it's the primary you bring to your next game.

While Sillybutts also has a video tutorial, we thought we could improve on it and update it to the current file set in our crystal-clear build guide style. We hope you enjoy and find the blaster fun to build along with us!

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Don't forget to watch our Tips & Tricks guide for everything you need to know about your blaster when it's fully assembled:

Want to build a SLAB yourself? Our 3D Parts + Hardware Kit is available here:

Already printed the parts yourself? Our hardware kit is available here:

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Have questions about a product? Need help modding your blaster? Shoot us an email!

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For everything else, find us at:

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FAQ & Corrections:
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0:00 Opening & Introduction
0:28 Tools Required
1:04 What's Included & Other Resources
1:26 Assembling the Iron Sights
1:52 Assembling the Stock
2:50 Assembling the Lever & Trigger
5:27 Assembling the Magwell
7:23 Assembling the Plunger
8:45 Assembling the Turnaround
9:43 Installing the Plunger Tube
12:16 Assembling the Catch
13:44 Assembling the Front Trigger Linkage
14:10 Installing the Foregrip
14:39 Assembling the Top Rail
15:49 Assembling the Rear Trigger Linkage
17:13 Installing the Trigger Assembly
18:37 Installing the Plunger Assembly & Barrel
20:08 Final Assembly
22:55 Installing the Silly SCAR
23:22 Tuning the Trigger Linkage
24:25 Firing Demo & Closing Remarks

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Out of Darts, run by Luke, is a one-stop hobby shop for all things nerf, foam-flinging, and blaster tag. We carry all the supplies, tools, and accessories to make your modding journey easier! We create original 3D-printed blasters and mod parts with almost 100 3D printers. Check out our site below for guides, build lists, and resources.

Edited by J Perry Heun, Out of Darts Media Producer

@Sillybutts

[millermdiehl]

Thank you so much Luke for giving me the replacement part to my Proud papa. you don’t know how much fun I’ve had with it. thank you so so so so much!!

[MadMax-rmmh]

Great video! This is Jim, a member of the Kansas City Nerf Club. I won my club's raffle for a hardware kit last weekend and chose this one. I'm not the best at modding or building blasters yet. Another club member will assemble/tune the SLAB with me looking over a shoulder or perhaps building/tuning with my shoulder being looked over. Videos like this are extremely helpful and appreciated.

[Arcturus]

I literally just started printing my slab and this came out 😂😂

[mk]

I love these videos. You guys walked me through my first flywheel mod and helped me with several other blasters. You guys rock.

[borderlineaxo]

i do not have a 3d printer, nor do i intend to purchase the kit at this current point in time, nor do i remember subscribing to yall, but this was actually really interesting! nice video!

[stevenc]

This is by far and away my favorite blaster. Purchased a parts from you last December and a second parts kit yesterday. Thank you for the excellent service and this build video!

[granttoye]

Favorite blaster design to date. By far!

[TheOnlySoycicle]

I haven’t even bought a SLAB but this is still entertaining to watch

[BleekBrown]

Perfect timing, I just bought mine yesterday from you guys!

[isthiswholegrain]

For anyone who printed this on their own and got the OOD hardware kit, you might have printed the turnaround in two pieces or the plunger head in once piece. You didn't do anything wrong its just slightly different 👍

[combustablelemon]

Im consistently impressed with how professional outofdarts is and how much you do for the hobby. Look out for my build in a week or two, ill proudly mention who i got the hardware from

[tenacminotauro]

Hi, Luke. You have a great shop.
Once you get your hands on a Unicorn could you check compatibility with the Harrier side(bolt) prime and Crooked Cousin/Little Rocket comfortability, please. Please show it in the review for visual reference, too.

[supernerdlove]

I can not find the front sling piece you use in this video. I’ve gone thru the files and found other pieces for that area but not the one used in this video.

[ASMRKlotz]

@OUT OF DARTS
I know this isn't what this video is about but I was wondering if you all know a good place online to learn about designing your own 3d printed blasters. I personally already have a background in 3d modeling and I can figure out the printing stuff so I am looking specifically for the mechanical design/engineering side of it. I know I could just take mechanical engineering classes but was wondering if there is a good resource to learn as it applies to foam flinging blasters specifically?

Thanks.

[mk]

This might be a dumb question but after you add the loctite to the threaded rod is it still possible to turn it to tune it?

[Lion_McLionhead]

Holy hairpieces that took a lot of farsteners.

[jetpackdog]

Hey, doubt you'll see this, but for a while I've had this really funny idea for a nerf mod:
A judge, with an auto-compressor, that shoots rockets.

What do you think?

[zombie]

Out of darts plz reply
I have an idea for a blaster and can you tell me what the flaws are
The idea is: what if you had a machine pull back a spring but that would be slow so have 2 or 3 springs and have an accurate automatic blaster that shoots fast

[Losyde]

Are these 4-40 3/8 flathead screws? Seems to be the standard for nerf.

[Guy]

What printer do you use for all your 3D printed blasters?