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PrintablesSillybutts

No Brass! Brassless breech for the Smiley blaster.

This is a remix for the pusher and breech of the Smiley blaster, so it now doesn't need any brass for the breech. The only added hardware is 2x -012 o-rings, for the tip of the ram. You DO need to lubricate the o-rings at the tip of the…

Downloads
900
Likes
94
Rating
4.71
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PrintablesJames

Lee App / Breech Lock Pro / 4000 / Six Pack Pro / 6000 Case Feeder

Note: this is a work in progress. It is working really well for me but ymmv. Please provide feedback for improvements. This is a case feeder for the Lee Precision APP, Breech Lock Pro (4000), or Six Pack Pro (6000) press. The feeder that…

Downloads
653
Likes
44
Rating
5
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PrintablesShoebox

Lee Breechlock reloading die stands

Lee Breechlock reloading die stands. 3 hole, mainly for rifle calibers, includes space for shellholder. May also work with Hornady Lock-N-Load. Printed in PLA on Bambulab X1C

Downloads
360
Likes
42
Rating
0
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PrintablesYurii Morozov

Shotgun 12g breech (safety) flag

I created my own 12g breech flag (safety flag) because plastic one alway get broken pretty fast. Back side is not too big so don't caught by extractor. Tried to print with PLA/PETG/ABS and all those filaments broke fast. So my conclusion…

Downloads
304
Likes
46
Rating
5

Impulse Ungineering Ontos O-ring Retention Breech

The Impulse Ungineering Ontos O-ring Breech is a modified breech part that uses a DASH-016 O-ring to assist with barrel retention. The O-ring adds extra friction where excess vibration from play may push the barrel out of the blaster.…

Downloads
237
Likes
29
Rating
5
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PrintablesNutty

Yeethammer - Reinforced Breech Lifter

I got a little too excited while using my Yeethammer and kept breaking the Breech Lifter pins. As a result, I modified the breech lifters to be reinforced by an M3 screw or bolt so you can Yeet to your heart's content without fear of…

Downloads
234
Likes
28
Rating
5
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PrintablesGemeneye

Nerf Pro Torrent Skinny Dart Pusher/Breech

Hello everyone! This is a 3D printed replacement dart pusher/breech for the Nerf Pro Torrent that allows for magazine swapping without needing to prime the blaster. While you can load and unload a magazine in a stock Torrent without…

Downloads
185
Likes
46
Rating
5
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Printablessynfinatic

Lee Breech Lock Handle

This wrench is designed to allow you to easily remove dies that are over tightened dies in your Lee Breech Lock bushing. It is not for tightening dies as it may allow you to over tighten the die and make it difficult to remove! Lee offers…

Downloads
161
Likes
13
Rating
0
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PrintablesMighty Shrub

Nerf Pilot - Safety Switch Breech Release

This is a fairly simple mod for the Nerf Rival Pilot that enables opening the Breech using the Safety switch! It should be compatible with basically every other Pilot mod, except for the Thumb Release print on Thingiverse. This mod is not…

Downloads
156
Likes
27
Rating
0
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Adventure Force Dart Zone Nexus Pro Breech Blowout Guard

Seal Blowout Guard for Nexus Pro The Nexus Pro has an unusual telescoping gas tube in its breech system when modded for a tighter barrel seal and powerful spring, sometimes this telescoping piece will overextend (blowout) and leak air.…

Downloads
124
Likes
27
Rating
5
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PrintablesCrooksUSA

Crosman OEM Plastic Style Rear Sight for Steel Breech

A modified rear sight to fit the Crosman steel breech using the factory steel sight blade insert and screw. I extended it to the rear to clear the plug on the steel breech, and made it to sit flush on top of the dove tail using a printed…

Downloads
113
Likes
11
Rating
4
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PrintablesAngry Potato

SPAMF Skinny Breech

Won't match the metal vanguard breech in performance, but should be a slight improvement over the original printed part, and of course allows for loading in mags when the breech is closed.

Downloads
98
Likes
16
Rating
5
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Dart Zone Max Stryker Breech Blowout Guard

Breech Blowout Guard for the Dart Zone Max Stryker 'nerf' dart blaster. The telescoping breech in the Stryker can slip forward and 'blow out' the air seal if the blaster is modded for higher pressure -tighter o-rings, barrel, etc. This…

Downloads
92
Likes
18
Rating
5

1377/1322 Full Length Breech

A custom, full length breech for the crosman 13xx series. This provides a way to mount lights, LAMs, and red dots all along the same section of rail. This uses ½-20 thread for the moderator mount, though I've included an M20 adapter I…

Downloads
90
Likes
7
Rating
0
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Dart Zone Tomcat Breech Lock Shim

The Breech Lock on the Tomcat has some play to it which can allow gas to leak if wiggled the wrong way. This shim tightens up the lock. Glue In place. precision matters! do a fit check and test first.

Downloads
75
Likes
16
Rating
0
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PrintablesFractalengineer

Orbiter 1.5 Tight Breech Housing

An orbiter 1.5 housing I modified to have the breech much closer to the wheel for improved flexible filaments performance

Downloads
73
Likes
11
Rating
0
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Printablesbjoern85

Zesty Nimble V1 Breech

This is a breech for your zesty nimble V1. It makes it possible to set up the tension to the extruder gear. I've printed the things in Prusament PETG with a Ø0.25 Nozzle. Feedback is welcome. Print instructions Use a small Nozzle and low…

Downloads
65
Likes
2
Rating
0
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PrintablesGeorgy

Ontos threaded breech for 16mm barrels

Makes your Ontos take standard threaded barrels. Print at 0.1 mm height. PETg, PCTG and PC work fine.

Downloads
48
Likes
20
Rating
0
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PrintablesGeoff.

RPR Breech Guard

Prusa Prusament PETG Jet Black

Downloads
47
Likes
4
Rating
0
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PrintableswindX

Nerf Slingfire Breech/Dart Gate for alu barrels

Breech/dart gate for nerf slingfire that uses 16mm OD barrels. Does not require chambered barrels, uses a barrel retention mech somewhat similar to worker breeches.

Downloads
46
Likes
20
Rating
5
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PrintablesDian

Lee Breech Lock bushing stand

Stand for reloading dies in Lee Breech Lock bushings Ständer für Wiederladematritzen in Lee Breech Lock bushings

Downloads
46
Likes
4
Rating
0
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Nerf Knockout Automatic Breech Open

Nerf Rival Knockout Linkage to Open Breech, when Blaster is Primed. Saves a step vs opening breech manually. blaster shell cutting is required detailed explanation here:…

Downloads
46
Likes
10
Rating
0
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Nerf Rival Atlas Breech Sealing Arm

The Breech on the Rival Atlas has some wiggle to it leading to inconsistent performance depending on how your hold the pump grip forward this replacement arm is angled back a little more than original, so it presses the breech closed…

Downloads
44
Likes
6
Rating
0
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PrintablesKiolia

Zesty Nimble V1 NeoBreech - Tension-Adjustable Replacement Breech

The Zesty Nimble V1 is out of production and replacement breeches are very hard to obtain. Keep your OG Nimble running with this tension-adjustable, easy-to-print design! IMPORTANT: This design has been proven out in short-term testing as…

Downloads
41
Likes
15
Rating
0
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PrintablesSteamboat Ed

Breech Loading Caulking Gun

-With this you can apply beads of premixed two part epoxies, butter, Nutella or other gooey concoctions. Scoop the stuff inside with a putty knife, slide the inner sleeve inside the outer one and lock it in place with the top plug. Put…

Downloads
40
Likes
13
Rating
0
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PrintablesAlex_lu

Lee Breech Lock Challenger

a mod to easily recover cases

Downloads
39
Likes
7
Rating
0

Nerf longshot pusher breech insert

The goal of this piece was to convert the stock longshot breech into a conventional pusher style breech with minimal modding effort. This is a work in progress, I'm currently in the process of adding additional orings and tweaking the…

Downloads
38
Likes
7
Rating
0
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PrintablesWelshShooting

Classic Shotgun Breech Clip

A chamber flag / breech clip, based loosely on the "GMK Benelli Breech Clips". I originally bought one of them, but found out that it was way to big to fit into the breech. Designed to fit my 12g Auto-5 (1970s) and Double Auto Twelvette…

Downloads
34
Likes
7
Rating
0
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PrintablesBazzatron
18+

The source marked this model as adult content.

Downloads
33
Likes
9
Rating
0

X-Shot Piston Pump Threaded Breech

The Piston Pump Threaded Breech is a replacement breech part designed to allow the X-Shot Pro Motorized Piston Pump AEB to accept 16mm threaded-breech barrels. Featuring a brass threaded insert in place of the barrel-retaining O-rings,…

Downloads
31
Likes
17
Rating
0
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Printablesdonutcat

Marshmallow Blaster Modular Breech

Update 2024/08/13: Update to all files to now use my Cruller thread profile for printability and QOL. These will have 0 backwards compatibility, so print only v4 options for use together and you'll need v4 for my future expansion parts.…

Downloads
27
Likes
5
Rating
0
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PrintablesJames

Lee Breech Lock Bullet Sizer Kit Storage Container

An easy way to keep your kit and all your collets/punches organized. Requires 6 M3x40 bolts for assembly.

Downloads
26
Likes
7
Rating
0
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PrintablesSimon Bucher

Brass breech better

This model improves the air seal on the SMILEY with the brass breech. Despite the name, you do not actually need to use the wider brass piece. It will especially help when using a K25 spring. I have only tested it on the Talon version so…

Downloads
26
Likes
4
Rating
0
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PrintablesMighty Shrub

Breech Replacement for Marshmallow Extreme Blaster

This design is for the Marshmallow Extreme (or Xtreme) nerf blaster. I wanted to be able to attach a sealed barrel to this to launch Nerf Mega XL darts, and there wasn't a design that facilitated this. The breech pivots at two points to…

Downloads
26
Likes
14
Rating
0

Colonel wasp - Firefly Breech

WIP Replacement breech for the Firefly Print upright, shouldn't need supports The original breech is brittle and prone to breaking, especially if installed with the short screws supplied with the blaster. Use longer M3 screws to to attach…

Downloads
25
Likes
9
Rating
0
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Printableskulfürst

Zesty Nimble V2 Breech Replica

My original Nimble breech had lost one of it's ears. Glue held it together for some time, but it's not really working as well anymore as it used to. Since Zesty hasn't been selling the breech anymore for a long time now, I decided to draw…

Downloads
24
Likes
3
Rating
0
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PrintablesBoomstick Mods

Knockout Brass Breech bases

Update: 12/20 Redesigned barrel piece to seat the exact amount of 9/16 brass you need. Cutting guide for 17/32 brass added. NStrike attachment updated with new design and reuploaded Update 12/16 Increased the length of the barrel piece as…

Downloads
24
Likes
1
Rating
0
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PrintablesGraeme

Valken CQMF and maybe Milsig M5 hopper bung / side breech cover

Hopper bung / side breech cover for the Valken CQMF, may also fit the M5 from Milsig, but I dont have one to check. Category: Sport & Outdoors

Downloads
23
Likes
1
Rating
0
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Mock TIPX Breech Block

A model of a TIPX Breech Block I created to mock up various configurations of the BPX Bullpup conversion kit for the Tippmann TIPX Pistol.

Downloads
22
Likes
1
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0
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Printablesdonutcat

Marshmallow Blaster Modular Breech - 35mm MegaXL Barrel

Update 2024/08/13: Update to all files to now use my Cruller thread profile for printability and QOL. These will have 0 backwards compatibility, so print only v4 options for use together and you'll need v4 for my future expansion parts.…

Downloads
22
Likes
6
Rating
0
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PrintablesEgghebrecht

printed breech and cover for brass barrels in blasters

This is a sleeve and breech for using a 17/32 standard brass barrel instead of an aluminium barrel in most 3d printed blasters without all the hassle of using brass. This also allows you to swap brass or normal barrels on the go and…

Downloads
20
Likes
5
Rating
0

Sillybutts Excalibur Threaded Breech

The Excalibur Threaded Breech is a replacement breech part designed to allow the Sillybutts Excalibur to accept 16mm threaded-breech barrels. Featuring a brass threaded insert in place of the barrel-retaining O-rings, this drop-in…

Downloads
17
Likes
10
Rating
0
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PrintablesGraeme

Valken and Milsig M17 Side Breech Cover

Breech cover for the M17, pretty much a direct copy of the original, as best as I can in Tinkercad in any case. Should print without supports at 0.15mm or less layer height. Print Settings Printer Brand: Creality Printer: Ender 3 Rafts:…

Downloads
17
Likes
2
Rating
0
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Printablesdonutcat

Marshmallow Blaster Modular Breech - Sillybutts Collet

Put an insensible barrel of warcrimes onto your Marshmallow Extreme Blaster. I accept no responsibility for friendships lost from using this inappropriately. Visit…

Downloads
16
Likes
8
Rating
0
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PrintablesKy3_actual

Breech Plug for Nerf Mega Bigshock

After ripping out the primary air restriction device, I was left with an unsealed hole in the back of my Mega Bigshock. So I quickly threw together this plug. Figured I should share it. It's a tight fit when printed in ABS, easily sealed…

Downloads
15
Likes
2
Rating
0
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N1NEXUS BREECH

N1 SERIES BREECH FOR USE WITH 16 OD 15 ID ALUMINUM BARREL FOR THE OG NEXUS. ENJOY! NOTE: REMEMBER SCALE MODEL TO PRINTER. BARREL FIT IS 16.15MM AND HALF WAY DOWN THE BREECH.

Downloads
15
Likes
7
Rating
0
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Printablesdonutcat

1.25" Coupler Breech for Marshmallow Blasters

Update 10/16/19: Small update, added a bit of spacing to the hinge to adjust alignment, changed the "tooth" that snaps into the blaster to clear just a bit better but it needs support now, and added some grooves for z seam alignment to…

Downloads
13
Likes
4
Rating
0
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PrintablesflyCouch

Nerf Breech and Firing System

This is going to be the Nerf Fire-er for my auto turret. Couple of mistakes I am too lazy to fix, the center post on the bullet holder needs a horizontal edge filed off it and the firing pad needs to be filed on the side to fit the slide…

Downloads
12
Likes
2
Rating
0
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Printablessenrath

Buzz Bee Air Warriors Tyrant NFStrike Compatible Replacement Breech Tube

NFStrike Accustrike Mega Darts ("Accufakes") are slightly bigger than standard Nerf Mega Darts and Buzz Bee XL Distance Darts and my Tyrant's breech would chew up and deform them instead of chambering them smoothly. So instead of…

Downloads
11
Likes
2
Rating
0

Skeleton Key Alternative Breech Faces - TPU and Metric O-Ring

Modified breechface of the Skeleton Key, with added compatibility for a metric 16mm ID x 2mm cross section O-Ring or my TPU gasket

Downloads
10
Likes
4
Rating
0

Impulse Ungineering Ontos Threaded Barrel Breech (for OOD brass insert)

The Impulse Engineering Ontos Threaded Barrel Breech is a printed breech part that accepts any M16x1mm threaded-breech barrels using Out of Darts' custom brass threaded insert. Featuring a taco-like shape and printed fingers to maximize…

Downloads
10
Likes
8
Rating
0
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Printablesdonutcat

Marshmallow Blaster Modular Breech - 33mm MegaXL Barrel

To be paired with my Marshmallow Blaster Modular Breech , I've created a super simple method to attach a 31mmx33mm aluminum tube (Greg barrel) to launch Mega XL at frankly frightening velocities. Simply thread the 33mm_adapter onto to the…

Downloads
8
Likes
2
Rating
0
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PrintablesLuchathor13

Buzzbee Pixelator 16 mm breech adapter

3D model description This adapter can accept a 16mm barrel and is drop in for the Buzzbee Pixelator. *Anodized barrels will have a tighter fit Will require 1 short 4-40 screw. ( the countersunk one commonly used in slug hardware kits) and…

Downloads
8
Likes
2
Rating
0
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PrintablesOUT OF DARTS

Diamond Dogs Kar98 + Small Lee Threaded Barrel Breech Turnaround

The Diamond Dogs Kar98 + Small Lee Threaded Barrel Breech Turnaround is a modified turnaround for the Diamond Dogs bolt-action short dart spring-powered blasters of the same name. Featuring a larger barrel hole to accept OOD custom M16 x…

Downloads
8
Likes
1
Rating
0
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PrintablesFabian

Holder for breech spring with hole for cables for Ares G36 AEG

Designed this part to replace the original breech spring holder of an Ares G36 airsoft rifle which was solid metal to be able to feed the battery cables inside the stock. Wanted to be able to still use the breech. One picture shows the…

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7
Likes
1
Rating
0
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PrintablesBuffdaddyNerf

Nerf Loadout Galactic Commander Short Dart Pusher and Breech

The pusher itself is original - the stock pusher is two pieces that clip together, and this replaces the "front" half, simply snapping in place. The Dart guide, however, is a remix of a file from Lucian's Nerf N Series Sprinter Conversion…

Downloads
4
Likes
3
Rating
0
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PrintablesSoggy _Auggy

Improved Nerf SillyPilot Breech Release Extender

My hands are too small to comfortably open the SillyPilot, so I made these! Simply print these extensions and slip over the SillyPilot's breech release lever! These should friction fit just fine, but you may need to play with the scaling…

Downloads
3
Likes
5
Rating
0

Sillybutts Cynthia Threaded Breech

The Sillybutts Cynthia Threaded Barrel Breech is a printed breech part that accepts any M16x1mm threaded-breech barrels using Out of Darts' custom brass threaded insert. Featuring a gently tapered hole, this part allows you to thread…

Downloads
1
Likes
2
Rating
0
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PrintablesOUT OF DARTS

16mm Brass Insert Threaded Breeches: Lynx, SLAB + Smiley

Modified breeches for the Lynx 2.0/2.1, SLAB and Smiley that accept an M16 x 1mm brass insert for threaded barrels

Downloads
1
Likes
0
Rating
0
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Printables

Marshmallow Blaster Modular Breech - 33mm MegaXL Barrel

To be paired with my Marshmallow Blaster Modular Breech , I've created a super simple method to attach a 31mmx33mm aluminum tube (Greg barrel) to launch Mega XL at frankly frightening velocities. Simply thread the 33mm_adapter onto to the…

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Printables

Brass breech better

This model improves the air seal on the SMILEY with the brass breech. Despite the name, you do not actually need to use the wider brass piece. It will especially help when using a K25 spring. I have only tested it on the Talon version so…

P
Printables

Marshmallow Blaster Modular Breech - 35mm MegaXL Barrel

Update 2024/08/13: Update to all files to now use my Cruller thread profile for printability and QOL. These will have 0 backwards compatibility, so print only v4 options for use together and you'll need v4 for my future expansion parts.…

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Printables

Nerf Elite Alpha Trooper Pusher Breech

There is a distinct lack of mod parts out there for the elite alpha trooper, and so I made my own. These parts can give serious upgrades to your EAT. Notes: * Requires worker's breech/dart gate. If anyone wants to design a new dart gate I…

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Printables

AR Breech Block

Anybody that's ever deployed in the Army knows what these are, can't get on the plane without it so print some extras for your Battle Buddies. Can also be used on civilian ranges where safety flags are required. Creality K1 Max PETG, or…

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Printables

Compoundmag and better fit brassless breech for SMILEY bolt action nerf

Added a catch notch for smiley on the mag and increased clearance in the breech for better dart fit instead of the really tight one from silly

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Printables

Brassless breech chamber to suit Talon Mag Remix

A remix of a remix to suit a remix? Took Sillybutts brassless breech chamber and extended it to suit flibby404's Talon Mag remix of the Smiley by Mighty Shrub. Prints the same as Sillybutts Brassless Breech and no aditional hardware…

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Printables

Gisela 2 | Low hardware breech loader

If you dont want to self-source the hardware, grab a kit from OOD Overview: Single Shot Plinker Very tunable performance (up to 200fps) Dart storage stock Optional Hardware Fires both short and long darts Printing and hardware: 3 Walls…

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Printables

Modified Breech for O-Rings

Should be able to just use the same O-rings intended for the original Smiley.

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Printables

Rod seal longshot breech

https://www.reddit.com/r/Nerf/comments/q412iw/rod_seal_longshot_experimentation_details_in/ Longshot rod seal (instead of pusher piston seal) breech experiment pusher_01 was the one I used, that eventually snapped. pusher_02 and…