File Type: STEP
Developer: Mr.Snark
Team: Black Lotus Coalition
Release Date: March 18th, 2026
SR-722 Reference Model STEP Model
The SR-722 from developer Mr. Snark and the team over at Black Lotus Coalition. The SR-722 is a DIY Bolt Action rifle that is majority 3D printed. It is an extremely cheap build, lightweight, and accurate with the right tuning. Everything needed to build this rifle can be sourced at your local hardware store! Use good ammo and a good scope for best results it can be accurate to how you adjust it.
You can buy a parts kit here:
https://www.print-a-22.com/product/sr722-complete-hardware-kit/
Join our Patreon and support the team! Let me warn you in advance I suck at updating it but we have a test and developer fund set up to contribute to testers.
https://www.patreon.com/c/BlackLotusCoalition?vanity=user
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Explore release archive 179 entries
This is a preview for indexing purposes only -- you must download this file directly from one of its sources to acquire any of these files. ZeroCompliance does not distribute gun design files or documents.EOCD Analysis Pane-
The SR-722 Release 1.0 +1
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The SR-722 Release 1.0 +8
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Additional Parts Remixed +11
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Barrel +12
- barrel spacer thin.3mf 7.5KiB
- Fancy Barrel.3mf 3.4MiB
- Faux Fluted Can (1).3mf 298.7KiB
- Faux Fluted Can.3mf 296.0KiB
- Faux Spiral Can.3mf 2.1MiB
- Fluted Barrel Extention.3mf 523.8KiB
- fluted barrel wrench.3mf 167.6KiB
- Fluted Barrel.3mf 780.2KiB
- Fluted CAN.3mf 344.5KiB
- Muzzle Break.3mf 363.7KiB
- Snarks Barrel Extention.3mf 3.0MiB
- Spiral can.3mf 2.2MiB
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Bipod +14
- Bipod button.3mf 69.0KiB
- Bipod Foot.3mf 13.6KiB
- bipod lock pin.3mf 8.5KiB
- Bipod Mount swivel.3mf 89.3KiB
- Bipod Mount.3mf 178.9KiB
- Bipod Nut plate.3mf 11.8KiB
- FWD Bipod MNT Clamp.3mf 121.6KiB
- FWD BiPod MNT.3mf 97.0KiB
- LH Bipod Leg MNT.3mf 64.5KiB
- LH Bipod upper leg.3mf 24.9KiB
- LH leg Mount Bipod.3mf 62.4KiB
- Reinforced Lower Bipod leg v3.3mf 16.8KiB
- RH Bipod upper leg.3mf 21.8KiB
- RH Foot Bipod.3mf 14.7KiB
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Bolt +23
- Bolt Face SCS.dxf.3mf 5.5KiB
- Bolt Face SCS.STL 11.8KiB
- Bolt.3mf 966.4KiB
- Breach face 2.3MF 8.8KiB
- Breach Face SCS.3mf 6.1KiB
- Charge reinforcement rod.3mf 5.1KiB
- CMMG Bolt UPDATE.3mf 1.0MiB
- CMMG extractor bolt.stl 3.2MiB
- CMMG extractor.stl 19.7KiB
- Extractor.stl 27.1KiB
- Knob Body.3mf 335.6KiB
- Knob Cap v2.stl 194.1KiB
- Knob Cap.3mf 338.5KiB
- Knob Cap.stl 1000.2KiB
- NEW F-PIN charger.3mf 579.6KiB
- NEW F-PIN new M3 bolt.3mf 1.0MiB
- NEW F-PIN striker.3mf 50.5KiB
- NEW F-PIN.3mf 18.4KiB
- plain cap.3mf 10.4KiB
- SCS M3 Bolt Body.3mf 1.1MiB
- SCS M3 Bolt Face 0p8mm.3mf 9.9KiB
- SCS M3 Breach Face 1p5mm.3mf 8.4KiB
- Star Cap.3mf 17.6KiB
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Chassis +8
- Chassie.3mf 903.7KiB
- Chassie.stl 2.9MiB
- Chassis 1913 Rail.3mf 344.8KiB
- Chassis 1913 Rail.stl 947.6KiB
- Chassis No Lattice 1913 Rail.stl 1.8MiB
- Chassis No Lattice.stl 806.9KiB
- Foregrip.3mf 201.2KiB
- Foregrip.stl 665.5KiB
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FCG +4
- FCG Housing.3mf 378.0KiB
- Plastic sear.3mf 7.7KiB
- Safety.3mf 120.5KiB
- Trigger.3mf 193.1KiB
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Grip +5
- Grip.3mf 299.1KiB
- Palm rest lock LH.3mf 9.6KiB
- Palm rest lock RH.3mf 9.2KiB
- Palm Rest Mount.3mf 162.5KiB
- Palm Rest.3mf 133.6KiB
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Magazine +10
- MAG Body.3mf 378.5KiB
- MAG Body.stl 1.2MiB
- MAG Door Lock Plate.3mf 11.5KiB
- MAG Hinged Door Print In Place v3.5.stl 333.9KiB
- Mag Lock Plate Pin.3mf 14.7KiB
- Mag Lock.3mf 67.0KiB
- MAG Solid Lock Plate.3mf 11.0KiB
- MAG Solid Lock Plate.stl 32.5KiB
- Mag Storage.3mf 198.7KiB
- Magazine Follower.3mf 158.9KiB
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Misc +2
- M3 Bolt Dont Print.3mf 7.8KiB
- M3x16.3mf 62.6KiB
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Receiver +2
- Feed Ramp.3mf 7.7KiB
- Reciver.3mf 783.3KiB
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Stock +16
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MCXish +6
- LW sig MCX slim stock buttpad.stl 297.6KiB
- LW sig MCX slim stock, fixed _mil. spec +0.2 rail.stl 529.3KiB
- MCXish Butt Pad.stl 58.9KiB
- MCXish Cheek Riser.stl 8.4MiB
- SR722 MCXish 1.1.stl 399.7KiB
- SR722 MCXish.stl 431.6KiB
- 2 Piece stock Part A.3mf 243.4KiB
- 2 Piese stock Part B.3mf 68.3KiB
- Butt Pad Button.3mf 456.4KiB
- Butt Pad Lock Plate.stl 1.1MiB
- Butt Pad Lock.3mf 2.6KiB
- Butt pad support.3mf 112.1KiB
- Cheek pad support.3mf 184.2KiB
- Cheek Rest Button.3mf 444.8KiB
- Cheek Rest Lock Plate.3mf 382.5KiB
- Cheek Rest Lock.3mf 6.0KiB
- SR722 1913 Hinge.stl 174.3KiB
- Stock Body 1 piece.3mf 374.8KiB
- Stock Button.3mf 43.3KiB
- TPU Butt Pad.3mf 6.1KiB
- TPU Cheek Pad.3mf 3.4KiB
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Tools +15
- barrel glue tool.3mf 10.3KiB
- Barrel wrench.3mf 155.2KiB
- Firring pin GO-NO GO.3mf 12.4KiB
- Muzzle break wrench.3mf 164.6KiB
- Star Cap tool.3mf 15.9KiB
- Stock Take down Tool no. 1.3mf 4.2KiB
- Stock Take down Tool no. 2.3mf 8.5KiB
- Stock Take down Tool no. 3.3mf 15.2KiB
- Stock Take down Tool no. 4.3mf 3.1KiB
- Stock Take down Tool no. 7.3mf 2.7KiB
- Stock Take down Tool no. 8.3mf 16.9KiB
- Stock Take down Tool no.5.3mf 10.9KiB
- Stock Take down Tool no.6.3mf 14.8KiB
- Striker Assembly Tool.3mf 117.9KiB
- Tool Tray.3mf 24.7KiB
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Pics and Vids +21
- 1. Extractor Grip reference.jpg 45.4KiB
- 1000055260.jpg 143.3KiB
- 1000055305.jpg 138.8KiB
- 1000056035.jpg 198.8KiB
- 2. Proper Head Spacing Reference.jpeg 2.7MiB
- Black Water Remix.jpg 184.9KiB
- Blue and Gray Theme.jpeg 4.5MiB
- MAG.jpg 235.5KiB
- Monster Themes.jpg 132.5KiB
- Nerf or Nothin 2.jpeg 4.0MiB
- Nerf or Nothin Theme.jpeg 3.1MiB
- Poolboy Color Theme.png 369.1KiB
- Purple and Balck.jpg 6.3MiB
- Purple and Black 2.png 394.7KiB
- Snow theme side profile.jpg 3.7MiB
- Snow Theme.png 13.4MiB
- Solid Body and CMMG Bolt.jpg 184.6KiB
- Solid body.jpg 174.4KiB
- SR-722 Firing Video.mp4 15.9MiB
- Standard Black and Brown theme.png 776.5KiB
- Tacticool Theme.png 804.5KiB
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Reference Model +1
- SR-722 BLC REF.step 28.8MiB
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SR-722 Blackwater Remix +1
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SR722 Remix +6
- READ ME.txt 125B
- SR722 1913 chassis.3mf 961.3KiB
- sr722 BW chassis no outter lattice.stl 817.0KiB
- sr722 chassis no outter lattice pic.stl 1.9MiB
- SR722 remix brace.3mf 479.1KiB
- sr722 storage grip remix.3mf 655.6KiB
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Standard Model No Varients +12
- Barrel.3mf 12.0MiB
- Bipod.3mf 762.1KiB
- Blackwater Firearms Remix.3mf 2.8MiB
- Bolt.3mf 5.1MiB
- Chassie.3mf 1.3MiB
- CMMG Extractor - bolt.3mf 1.0MiB
- FCG.3mf 497.0KiB
- Grip.3mf 461.4KiB
- Magazine.3mf 802.4KiB
- Reciver.3mf 763.4KiB
- Stock.3mf 2.9MiB
- Tools.3mf 563.6KiB
- Read Me Please.txt 850B
- SR-722 Firing PIN Drawing.pdf 94.9KiB
- SR-722 Instructions.pdf 10.1MiB
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