ScarT MK17 - Foam Dart Blaster

______________________________________________________________________________________________________________________________
Main features:

• Half length dart compatible

• K25/K26 spring powered

• Real steel-esque proportions

• Working ambidextrous mag release

• Sturdy design with heatset inserts, the main spine consisting of M4x500mm threaded rods and metal flat bars

• Retractable stock  via quick release pin (3 positions)

• Straight forward assembly, consisting of 3 main subassemblies (see Video tutorial)

• Springloaded prime return

• Springloaded flip up iron front and rear iron sights

• Easy to print parts, machined parts don't require fancy machinery (jigs for metal parts included)

• Match ready with talon mag adapter and pumpprime addons (picture 2)

• included in software package are different grip, stock- and front sling designs
  

If you are interested in hardware components or full blaster builds, feel free to reach out for further information.

Do not use in public. Especially with realistic color schemes (like my examples). Do not use without an orange tip, as people might not be able to distinguish the blaster from a real rifle. 

Video tutorials:

Demo:

Assembly: 

Metal Part Fabrication:

____________________________________________________________________________________________________________________________

Hardware:

-----------Mag-----------
2x M3x8 SHC Screw
2x M3x5x6 Threaded insert
1x  Talon Mag spring

-----Lower Receiver-----
2x M3x55 SHC Screw
1x  M3x35 SHC Screw
1x  M3x10 SHCS (or M3x12)
3x M3x5x6 Threaded insert
1x  Quick release Pin 6x45mm
1x  Clevis Pin 6mm x 30mm
1x  Compression Spring 1x 8x15mm https://www.amazon.com/METALLIXITY-Compression-Springs-Stainless-Extension/dp/B0B6HXZX3M/ref=sr_1_3?crid=WO6LN19JS8T&dib=eyJ2IjoiMSJ9.OWsC0-JE9k1k9GLDW0vNutlduqjzwG2IEdun0lmpjrzouY7-qhmj3txhGeFUsMKMG81GYgSVbWiNqU0rC7MaR2HTLt7reGTenj7ZyNJL9DS9z_9wQfN9d7o3Qul0CPQmlpoGzls9Di6Tso_dpNTsHpj97CE5mFp2TX9MfsGPdkyhznQezEY2UAZGgl_x4rhR0MRvS_TMwPwe1Ul8Z_APDtAxIfLXwAgevC7-uENURS8.DCzTJ-7OkL7dfLp2fUHx9cSppEhHzi3PGKtwKCx8NMU&dib_tag=se&keywords=spring%2B1x8x15&qid=1772231324&sprefix=spring%2B1x8x15%2Caps%2C143&sr=8-3&th=1
1x  Compression Spring 0.4x4x25
1x  1,75mm PLA piece

-----------Stock-----------
1x  M3x55 SHC Screw
1x  M3x8 Countersunk Screw
2x M4x6x6 Threaded insert
2x M4x500 Threaded rod
1x  Extension Spring 0,65x6,6x10
2x M3x10 SHC Screw
4x M3x8 Countersunk Screw
2x Flat Bar 272mm x 1/2" x 1/8" (machined) (or equivalent metric flat bar)

--------Front Sight--------
2x M3x8 Countersunk Screw
3x M3x6 Countersunk Screw
1x  Compression Spring 0.4x4x25

----------Rear Sight----------
1x Compression Spring 0.4x4x25 https://www.amazon.com/dp/B08P8Z1J5S?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_11
1x M3x8 Countersunk Screw

------Upper Receiver-------
8x  M3x5x6 Threaded insert
1x   M4x6x6 Threaded insert
11x  M3x8 Countersunk Screw
6x  M3x6 Countersunk Screw
1x   M4x60 SHCS
4x  M3x8 SHCS
2x  M3x10 SHCS
1x   M3x12 SHCS
1x   M3x16 SHCS
1x   K25/K26 Compression Spring https://www.amazon.com/dp/B0F27NLGK7?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_8&th=1
1x   M4x420mm Threaded Rod                             (machined) https://www.amazon.com/dp/B0BLGGJ54T?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_1&th=1
1x   Clear Tube (Polycarbonate) 32x30x145mm  (machined) https://www.amazon.com/dp/B095N8SHSP?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_13&th=1
1x   Aluminum tube 28x24x300mm                     (machined) https://www.amazon.com/dp/B083S6KH5G?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_18&th=1
1x   Aluminum Barrel 16x13x400mm https://www.amazon.com/dp/B0CKXZBD14?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_5&th=1
1x   Spring 1x12x305mm https://www.amazon.com/dp/B0B6J1QPZC?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_3&th=1
4x  O-Rings 30ODx26ID https://www.amazon.com/dp/B07GJKCQ4D?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_3&th=1
2x  -012 O-Ring
1x   O-Ring 22ODx18ID
2x  Carbon rods 2mmx200mm
2x  M3x6 Set Screws
1x   M4 Nut
1x   M4x16 Barrel Nut https://www.amazon.com/dp/B0CKSG165C?ref_=ppx_hzsearch_conn_dt_b_fed_asin_title_5&th=1

-----General Assembly------
1x   M3x12 SHCS
2x  M4x16 Barrel Nut

Grease
(Gorilla) Glue
Hex Keys
Soldering Iron
Strong thread (fishing line)

For Machining the Metal parts:

Metal saw, deburring tool and file (preferred) and a drill with drill bits and a counter sunk bit

Print Settings: 3 Walls 15%Gyroid Infill, Supports are necessary for most bigger parts. (3mf files including my support setting for LR and UR are in the files.

NOTE: I do not mind if remixes are being created as long as they are limited to certain parts for functionality or design enhancements.

________________________________________________________________________________________________________________________________
Special thanks:

I want to thank @Krazy_Kid59 for his great Bluegun file, that helped me transition parts of my initial model to the nerf version. Cheers!
Also I want to thank @Sillybutts, for the 3d printing nerf inspiration.

________________________________________________________________________________________________________________________________
Important legal note:

I HEREBY DECLARE THAT I CREATED A TOY BLASTER. I DO NOT TAKE ANY RESPONSIBILITY FOR ANY MISCHIEVEOUS OR CRIMINAL ACTIVITY THAT INDIVIDUALS MIGHT ABUSE THIS TOY REPLICA FOR. IT IS COMPLETELY UP TO THE OWNER AND THEIR RESPONSIBILTY TO ADHERE TO LOCAL LAWS.

___________________________________________________________________________________________________________