90 degree vsr trigger review, Bulltrigg made by Florjan - Airsoft Sniper Forum
       

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Old 08-29-2016, 03:12 PM   #1
Jr. Sniper
 
Join Date: Jun 2016
Location: Croatia, Zagreb
Posts: 164
90 degree vsr trigger review, Bulltrigg made by Florjan

Introduction
Hi, my name is Marko, on asf I go by name threshold and this is my first review of a airsoft product. I've started playing airsoft about 1 year ago and recently (2 months or so) I've took interest in airsoft sniping and spring powered bolt action rifles in particular. After some consideration I've bought jg bar-10, obviusly I wasn't that much impressed with stock performance so I've started researching this forum for what to change in my rifle. One of the biggest complain people had with vsr-10 stock rifles are their weak and unreliable 45 degree trigger system, so as recommended by lots of people I've decided to exchange that first with 90 degree trigger system. It so happens that I've read thread about Florjans new custom 90 degree trigger and I've got interested in it.
Florjan Jelovčan is young mechanical engineering techincian and he was working on his custom trigger for more than a year. Florjan goal was to create strong, reliable and affordable trigger that should give more fps to rifle out of same spring without changing to a stronger spring and since he lives in Slovenia (I'm from Croatia so we are practically neighbours) I've gave him a call through forum and we stayed in contact through mail. After talking to him and seeing that he was really dedicated to making his product just right I decided to help him out and I've got his first protoype (although it looks and functions exactly as version he will be selling) which I'm reviewing.

Contents of package
Trigger was neatly packed inside bubble wrap and tough carton box. Trigger comes with 2 mounting screws, 2 small washers for screws and 1 big washer for safety lever spring and screw but no safety lever, you can use safety lever from stock trigger.


Trigger info
Trigger is designed as a 90 degree trigger however Florjan has designed Bulltrigg to have piston sear much closer to spring guide stopper which should compress the spring more thus giving piston longer path to accelerate and teoretically giving more fps, more on that in trigger test section.
Whole trigger is made out of quallity metal parts, inside parts of the trigger is made out ouf strong stainless steel 6 mm thick while outer plates are made out of 4 mm thick duraluminum.
weight: 146 g
measurements (w*d*h) : 110 mm * 14 mm * 85 mm

Installation
Florjan and I wanted to test trigger with stock bar-10 parts (reason I haven't upgraded anything beside trigger yet), so I took out my plastic piston and filed it down with hand file to turn it in 90 degree piston, after putting spring guide, spring and piston back in cylinder and screwing cylinder head back together I've put cylinder back in receiver and continued on installing Bulltrigg.

Installation was straightforward, I took out old trigger and dropped in Bulltrigg, there is no need to remove spring guide stopper, whole unit is designed to just drop in and screw in receiver, to do this I've aimed spring guide stopper just behind spring guide (you can se through ported part of cylinder) and pushed it in and after that I've just put 2 washer 1 for each whole and screwed the unit to tigger guard. Tried firing it and it works. To put receiver back in the stock trigger guard needs to be cut and filled down, I did this by using handsaw and hand file but I do recommend using dremmel tool.

I also needed to file down inside wall of trigger guard because when I've put unit back in stock my trigger was kinda stuck because trigger guard wasn't equally centered (chinese qc).

After that I've screwed trigger guard to the receiver and decided that I'd try fitting safety lever.

To fit safety lever I've used safety lever spring and screw that comes with stock trigger and put it together with large washer that came with Bulltrigg, also my safety lever needed to be filed down a bit to fit and work properly (one on Florjans rifle did not need that, again chinese qc), again I've used hand file to do this.

After that I've put receiver back in stock and tested it and trigger works as it should, so does saftey lever.

Trigger test
During assembly and especially after putting my rifle back together I've noticed that it was a bit louder. Before I even got my Bulltrigg I've chronoed my rifle in local shop on xcortech x3200 chrono and I've got around 420 fps with all stock parts and without airbrake on piston (I know my air compression sucks but upgrades are on the way). Naturally after installing trigger and noticing that it was louder I've took my rifle straight away to local shop and chronoed it again on same chrono. This time my rifle was shooting around 440 fps with all stock parts and sucky compression, needless to say shop owner and I was pleasantly surprised.
Now other important improvement was that with Bulltrigg I can cycle my rifle much easier than before, bolt pull and push are smooth as a butter when compared with stock trigger, also trigger pull is really light and short by my experiences with it.
Here is short video off it:
https://youtu.be/ppHfQr4QDsw

Planned tests and upgrades
This is by no means end of this review, in the coming weeks I'll be receiving upgrades for my rifle which include new 90 degree piston, m150 7mm inner diameter spring, action army 6.01 barrel, maple leaf autobot bucking and cnc aluminium hop up arms alongside sealing rings for bucking and steel spring guide which florjan will make for me, so I'll upgrades in my rifle and report back to you how is trigger working and how much fps I got out of m150 spring in the end.

Closing thoughts
So after testing trigger for 3 weeks and even taking my stock rifle to a game and shooting more than 300 bb's out of it I'd say I'm satisfied with it and would recommend it to anyone who want to buy 90 degree trigger, also Florjan was really helpfull and provided me with his advices during installation and usage, also on trigger he gives lifetime warranty which is also a plus.
So if you are in the market for new trigger and you want to get more fps without putting heavier spring I recommend that you look it up.

Where to buy it and price
Price: 99$ + shipping
To buy Bulltrigg you can pm Florjan on asf (Airsoft Sniper Forum - View Profile: florjan)
, send him and email: bulltriggerr@gmail.com
and he will answer your questions and tell you about price for trigger and shipping or you can visit his web page with lots of info on trigger and order it from there: http://flokipoki.wixsite.com/bulltrigger
Also feel free to ask me anything about Bulltrigg in post or pm.

Edit 6.9.2016. : added web page for trigger ordering
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Last edited by threshold; 09-06-2016 at 01:55 PM. Reason: Ordering link update
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Old 10-03-2016, 02:13 PM   #2
Jr. Sniper
 
Join Date: Jun 2016
Location: Croatia, Zagreb
Posts: 164
Update 3.10.2016. :
So recently I've put my rifle together with new parts being maple leaf cnc arm and autobot 70 bucking and florjan made me new stainless steel spring guide and with those 3 upgrades and some diy mods I've got much better airseal and power transfet due to steel spring guide so my rifle was shooting over 500 and it was quite noticable, I ended up putting 5 mm brass spacer on my spring guide and did chrono and my rifle was shooting 565 fps with 3 or 2.5 fps deviations, while still retaining light bolt pull and cycle of m150 spring.
For future plans I intend do get my own chrono and do tests without any spacer, with 3mm spacer and with 5mm spacer. After I'm done with it I'll post my findings, so far I like the fps gain with trigger and spacer, also the production version of bulltrigg (florjan exchanged my prototype version) is much sturdier and has smoother more solid feel to it so I still recommend it to anyone who wants to try something new in their rifle build.

Florjan also started selling his bulltring on asf, you can find in this post: WTS: VSR-10 90 trigger-Bulltrigg
__________________
Primary rifle:
jg bar-10
-aa 6.01 inner barrel
-action m150 spring with 2mm spacer
-custom 90 trigger (http://flokipoki.wixsite.com/bulltrigger)
- 3 - 9x40eg Scope
-ml cnc lever in hop up chamber with ml autobot 70 bucking and tdc mod
-steel spring guide
-5 diy barrel stabilizers
-lrb mod+silencer made by Reliku

Secondary:
tm xdm
looking for winter sidearm
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Old 10-03-2016, 11:42 PM   #3
doc7   doc7 is offline
Young Gun
 
Join Date: Sep 2015
Posts: 55
What's the reason for the better performance?

The FPS increase comes from the sear being placed further back, thus increasing travel time of the piston, that I understood, but what's the reason for the smoother and lighter bolt pull, compared to the stock trigger?
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Old 10-04-2016, 04:54 AM   #4
Jr. Sniper
 
Join Date: Jun 2016
Location: Croatia, Zagreb
Posts: 164
When comparing it to stock trigger smoother bolt pull comes through bulltrigg being 90 degree trigger and stock being 45 degree. 45 degree trigger lifts piston up when cocking and piston rubs upper side of cylinder. With 90 degree there is no piston cylinder rub so the action is much smoother, it also preservers cylinder so it will last much longer. Cycling m150 with stock trigger would be much harder and stiffer also stock trigger would fall apart with high fps spring.
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Old 01-09-2017, 03:39 PM   #5
Jr. Sniper
 
Join Date: Jun 2016
Location: Croatia, Zagreb
Posts: 164
Update 9.1.2017.
Florjan is having giveaway for his bulltrigg, you can find details about giveaway on his facebook page: https://www.facebook.com/Bulltrigg/ or https://www.facebook.com/Bulltrigg/p...type=3&theater , simple share and like and you are eligible for giveaway.
__________________
Primary rifle:
jg bar-10
-aa 6.01 inner barrel
-action m150 spring with 2mm spacer
-custom 90 trigger (http://flokipoki.wixsite.com/bulltrigger)
- 3 - 9x40eg Scope
-ml cnc lever in hop up chamber with ml autobot 70 bucking and tdc mod
-steel spring guide
-5 diy barrel stabilizers
-lrb mod+silencer made by Reliku

Secondary:
tm xdm
looking for winter sidearm
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