Free STL File Download

These files are free and ready for your printer. These files are for NON-Commercial use ONLY. Contact me before selling these files or parts to anyone.

Each of these files are the remixed versions. Fully compatible with our hardware kits. You can see the changelog from the original design below. 

Please reach out to me with any questions! Happy printing. 

If you don’t see the file you need here yet, please email support@frontlinefoam.com and we’ll get it to you. 

Axiom FILE DOWNLOAD

*SELECT FILES ONLY*

[CHANGELOG FROM ORIGINAL DESIGN]

– Modified to take 4-40 screws. Heatinserts can be used by drilling the screw ports to fit your size of heatinsert
– Widened magnet slots to take 8mm wide magnets for a stronger magnetic hold
– Modified switch cutout to take more brands/styles of 21A switch
– Modified MagPaddle to remove need for post-processing
– Added chamfers to bottoms of most parts to reduce elephant’s foot on prints
– Modified Trigger and shell halves for more reliable trigger fit
– Modified shroud for modular rails
– Widened inlet port to accept wider fittings
– Changed JamDoor and Shell halves to take 1/16″ pins (Caliburn) instead of printed pivot

Hardware available can be purchased at this link: Axiom Hardware

Bulwark FILE DOWNLOAD

*SELECT FILES ONLY* Buy the rest from the designer.

[CHANGELOG FROM ORIGINAL DESIGN]

– Deepened screw ports for use with full length shell screws
– Added wire channel cutouts to make wire management much easier
– Changed grip to use 21A switches
– Modified trigger shape to remove need for post processing and use of springs
– Added chamfers to bottoms of some prints to reduce elephant’s foot on prints
– Modified stock to include captive 6-32 hexnut for 6-32 thumbscrew
– Added cutouts in Gripinsert for screw heads

Hardware available can be purchased at this link: Bulwark Hardware

Click here to download

CALIBURN FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Includes muzzle for brass barrel utilizing a clamp-retention
– Top railgasm modified to take barrel adapter for tighter barrels
– Mag release pin holes widened to remove need for drilling/filing
– MilanCoupler walls thickened to reduce chance of breakage– Trigger pin hole widened
– Rambase hole made smaller for better airseal between base and core
– Plunger o-ring slot widened for better plunger airseal
– Plunger hole widened to fit k14 spring
– Frontbutt hole widened to fit k14 spring

Hardware available can be purchased at this link: Caliburn Hardware

Click here to download

CHIMERA FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Second hole added on muzzle for better barrel retention and alignment
– Redesigned entirely to take 4-40 and 6-32 size screws
– Plunger compatible with 10kg and K series springs added
– Narrowed stem on LS plunger to better fit Turf springs
– Modified supports on grip for easier post-processing
– Narrowed trigger to remove need to file trigger to fit in grip
– Mag release modified to take pin and 4-40 screws
– Rearplate modified to take 4x 6-32 x 3/4″ screws
– Modified superlink mounts and superlink to take 4-40s and 6-32s
– Widened sear hole to slide over 6-32 screws
– Modified rambase to take one set of 4-40 screws
– Removed need for hex nuts in rambase
– Modified foregrip to take 6-32 locknuts
– Modified Tguard size to allow more pumpgrip travel
– Modified dartjam to fit looser for easier assembly and alignment
– Added brims to TlinkKnuckles to aid in print reliability
– Tweaked CatchMount to assemble with 6-32 screw counterbored in print
– Fixed wall issues with stockcover

Hardware available can be purchased at this link: Chimera Hardware

Click here to download

ESPER FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Added brim to foregrip print to increase print reliability
– Made hole in rambase smaller to create better seal between base and core
– Widened holes in mag release to remove need to file/drill pin holes

Hardware available can be purchased at this link: ESPER Hardware

Click here to download

FDL FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Widened hexnut slots to make them easier to install
– Added chamfer to pusher base removing need to post-process elephants foot

Click here to download

HPA U TALON CLAW FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Modified Magfront to take 4-40 hex standoffs
– Added picatinny rail to magfront
– Thickened Magfront walls to prevent breaking from overightening barrel coupler screws
– Modified Magback to take 4-40 hex standoffs
– Modified mag release spring mount to take 4-40 screw
– Widened pin hole on mag release to remove need to drill/file
– Modified rearplate to include on/off labeling (very helpful imo)
– Designed and added top cover to protect SuperCORE
– Redesigned handle to fit regulator better
– Widened barrel screw pin for more clamping force
– Added battery door, compartment, and room for 6-32 thumbscrew to bottom of handle
– Changed grip to take 4-40 hex standoffs instead of hexnuts
– Reposition and resized pin holes to take 1/16 pins (Caliburn pins)
– Made more room for solenoid for easier wire management and diversity in solenoid compatibility
– Widened sideplates to cover more of the skeleton making the overall look more sleek
– Cut away a small section of the lower grip to allow for regulator outlet fittings to fit without dremeling/filing

Hardware available can be purchased at this link: HPA UTC Hardware

Click here to download

LEPUS FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Added 6-32 hexnut to base print for more durability
– Modified Nose to better fit Worker Hurricane wheels without rubbing on print
– Heightened Topcover slightly to fit Fang ReVamped motors and 130 sized motor shafts
– Thickened Nose top wall to improve TopCover installation durability
– Changed angle on nose to allow for full length shell screws to be used.

Hardware available can be purchased at this link:

Click here to download

Magpie FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Changed just about every part
– Adjusted CylinderPin to fit in frame without sanding or filing
– Added chamfer to ReleaseLever bottom to remove elephant’s foot
– Added chamfers to most bottom-facing holes to reduce post-processing of holes
– Widened slot in Hammer for compatibility with more springs
– Modified hammer to take 1/16 pin instead of screw
– Removed elephants foot on IndexingArm, Cage, TriggerSear, Frame pieces, Sights, and others
– Lengthened Pusher by 0.5mm to aid in timing
– Widened Pusher feet to reduce wear which caused pusher to get stuck in Hammer
– Widened hole in Trigger for 1/8 Pin (Spring Thunder/Viper pin)
– Removed elephant’s foot on trigger which caused inconsistent hole size
– Added retention feature on Barrel and Frame to better secure barrel
– Added internal cutouts in Grip for shell screw heads
– Shortened TopCovers to remove bowing that was present after assembly
– Removed angles on back of TopCovers which frequently caused warping and made the Covers not sit flat
– Added chamfers and made more room in the CylinderCover
– Widened dart holes in Cylinder which caused jams with new darts
– Widened slots on BatteryCover and Grip to create a looser fit for the cover
– Modified frame to create more room and new mounting method for switch
– Relocateed frame screw position for lower screw so full length screws could be used and not interfere with each other
– Modified SightRear to fit better in SightRearBase and sit flush with new TopCover
– Widened hole in CylinderArm to remove need to drill/file for CylinderPin

Hardware available can be purchased at this link: Magpie Hardware

Mamba LINK DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– In progress

Hardware available can be purchased at this link:

Pigeon Mark 7 FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Added brims
– Modified cage
– Adjusted screw port size and depths

Hardware available can be purchased at this link: Pigeon Mk7 Hardware

Pigeon Mark 8 FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Modfied overhangs on Frames, Slide, Mounts, Cage, and Trigger for reduced supports
– Modified Gear hole sizes to reduce post-processing
– Removed elephant’s foot on numerous parts
– Added brim to Grip scales
– Added spring rest to Cage for Katana MagRelease spring
– Reduced diameter of Pin to fit better in Cage
– Shortened nub on SlideSafety to more easily clear Mount for faster disassembly
– Added optional small washer to retain large gear
– Modified MotorTool to e able to be used after soldering

Hardware available can be purchased at this link:

Click here to download

RAINBOW FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Original files created by Frontline Foam based off of the OG Rainbow design
– Merged catch circles into one piece
– Uses same shape and size plungerhead as Caliburn (Design by CaptainSlug)
– Added CatchCircle for K25 and K26 size springs

Hardware available can be purchased at this link: Rainbow Hardware

Click here to download

SNAKE FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Modified pin holes to take 6-32 flathead screws
– Modified TriggerLink to provide more travel
– Widened holes in Link for easier pivoting
– Modified Pusher shape for better retraction
– Modified Catch shape for easier insertion and removal of magazines
– Modified IronSight for a tighter fit in TopCover
– Modified cage to reduce supports and reduce “dart chew”

Hardware available can be purchased at this link: Snake Hardware

Snake V2 FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Modified hole tolerances for better fit with pins

Hardware available can be purchased at this link:

Spring Thunder FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Widened some holes to make installing pins easier
– Modified PlungerHead to be a pressfit on plungerrod shaft
– Adjusted some tolerances to reduce post-processing

Hardware available can be purchased at this link: Spring Thunder Hardware

Talon Claw v4 FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Widened holes in RearPlate to more easily install SlidingButtstock
– Added custom RearPlate with buffer tube and Nerf stock options
– Added Muzzle for brass barrel
– Modified rambase for better airseal between ramcore and base
– Added modified Railgasm for use with barrel adpater
– Modified RearPlate for compability with Turf Longshot springs
– Added custom AR Shroud

Hardware available can be purchased at this link: Talon Claw Hardware

U Bullpup FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Thickened walls around hexstandoffs to increase part durability
– Modified rambase for better seal between ramcore and base
– Modified railsegments to remove brim
– Added modified ButtPlate for use with Turf Longshot springs
– Added modified Pcap plate for use with Aluminum Pcap Plate reinforcement

Hardware available can be purchased at this link: U Bullpup Hardware

U Caliburn FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Thickened hex-standoff walls for increased durability of parts
– Modified shuttle for use with barrel coupler
– Added new railsegment for cross-compatibility with U Talon Claw U Channels with v4 hardware
– Widened Plunger to take K14 spring
– Added modified Pcap plate for use with Aluminum Pcap plate reinforcement

Hardware available can be purchased at this link: U Caliburn Hardware

U Talon Claw FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Thickened hexstandoff slots to increase durability of parts
– Added modified Pcap plate to be used with Aluminum Pcap plate reinforcement
– Modified Shuttle for use with barrel adapter
– Added EndCap that is compatible with Turf springs
– Added new rail segment for use with v4 hardware

Hardware available can be purchased at this link: U Talon Claw Hardware

Viper FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Widened BreakLock hole to take 1/16″ pin (Caliburn pin)
– Shorted Cam to reduce friction of Cylinder on NoseBottom
– Modified NoseBottom to take 1/8″ pin (Spring Thunder pin)
– Modified Trigger pin holes in shells to take 1/16″ pin (Caliburn pin)

Hardware available can be purchased at this link: Viper Hardware

Woozi FILE DOWNLOAD

[CHANGELOG FROM ORIGINAL DESIGN]

– Widened hole in gear for reduced friction
– Reduced friction between pusher and pusher lid
– Reduced elephant’s foot on all MagRelease parts to remove need for post-processing
– Modified BatteryCover and Shell to take 6-32 Thumscrew
– Widened trigger holes in Shell to remove need to file/drill

Hardware available can be purchased at this link: Woozi Hardware