Best Bullpup Trigger - KelTec RDB Trigger Design
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- čas přidán 26. 07. 2020
- How did KelTec create the best bullpup trigger?
AmbGun KelTec RDB
www.ambgun.com/ambidextral-ri...
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KelTec RDB - Ambidextral Gunfighter Round Table Discussion
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Field Strip the Desert Tech MDR
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picked up an RDB-C and took it out today for the first 100 rounds. The trigger is swweeeeeeet! After zeroing in my red dot I ha the biggest smile on my face. Shooters in the nearby bays were super curious about it and loved the ergonomic feel of the rifle. Kel-Tec got this one right.
Go try playing some Xball, air bunker field paintball, become ambidextrous, and your smile will be 10x.
"Why didn't I think of that?" (slaps head)
You'd think the "Ideasman" would have...
I've heard good things about the RDB and its superb trigger. I've been particularly jonesing for the M43 variant that Kel Tec teased a number of years ago, but I guess I'll just keep on wanting. Kel Tec seems to have a problem actually delivering the ultra cool things they keep teasing us with.
Bullpup are defenetly underrated, even whit terrible triggers militarely they still are worth more than they get credit for, but the RDB is the future of bullpups, it puts up competition whit convensionals and at the best the only down side is the muzzle climb but training can trim that off
I'd say the RDB trigger is 70% of the way between a really good mil-spec trigger (which is what I have in my BCM RECCE) and a Geissele (which my son has in his AR).
Combine a perfectly ambi mirrored bullpup with Ambidextral Gunfighter instruction, and the bullpup makes the AR/M4 feel like a relic.
czcams.com/video/K2Ehq4KkDVw/video.html
Imo one of the best made bullpups ever and just a super underrated weapon, the controls are great in normal spots, great trigger, can shoot left or right handed, takes nato mags, simple built and sturdy easy to clean and take apart. Nice charging handle, easily my best gun purchase I’ve made bought one used from a friend who barley shot it in nearly new condition for $700 with a rhino rail forend, ambi mag and bolt release upgrade, and a sightmark ultra reflex sight nothing special but still a $100 sight. I was like damn that cheap this thing can’t be to great but I I shot it before a number a times and liked so I bought it and never regretted it. It would have paid more knowing what I know now.
Thanks Appreciated.
Lots more on the RDB (and forthcoming reviews on Hellion)
www.ambgun.com/ambidextral-rifle/keltec-rdb
I would go with Kel Tec if it weren't for their reputation for great design immediately followed by mediocre quality control and tendency to discontinue models right when they finally get it right. Plus I don't like the idea of hot brass possibly falling down my pants. Knowing my luck, that would happen to me. I might be swayed to the RDB if they had more calibers available and more accessories like foregrips and brass catchers. Their trigger design is really impressive. Would love to see a Geissele trigger for both the RDB and MDR.
Between the P17 and RDB, I've been very impressed lately. The PF9 has been in my EDC rotation for nearly a decade. SU16c is a great backpack/concealed carry carbine, although one did suffer a cracked receiver several years ago, repaired by KelTec.
We've gone thru the RDB be piece by piece trying to guess at "consumables", my guess is:
Firing pin
Take down pins and retainer springs
Extractor
Charging handle
and maybe some gas system parts.
The desert tech mdr ejects the casings forward instead of to the side. This should keep them from falling down your pants.
The RDB is a masterpiece of Keltec. Ok the hand guard is not that great but it's also an easy replacement. The trigger is good, the ejection is just perfect, the ergonomics are excellent. I just don't see what rifle gives you more value nowadays in terms of 223 calliber. It is a master gun. Probably my best firearm purchase ever. As a lefty, a real ambidextrous arm does make a difference.
That's a pretty low bar of this is your best firearm purchase "ever". Not saying the RDB is bad, but it's not even close to my best purchase ever, so I hate to see what your collection consists of if this is the best you got. Lol
@@Watchdog_McCoy_5.7x28
I'm glad you're happy about your collection, and it's ok you don't like mine.
Have fun with your guns bro. I wish you nothing but happiness.
The RDB design is one of my favorite, especially with their approach to trigger and ejection. My only real complain is the cheap plasticy feel and how hot it gets with a light barrel and unlined handguard.
I don't mind the plastic so much, but you're definitely right on about the heat buildup. Replacing the handguard with either the Raptor or Rhino Rail from Lucky Irishman makes a world of difference. Took the rifle from a B- to an A in my estimation.
Reading the sales literature on the DuPont Zytel nylon resin, makes the polymer sound pretty good. But I guess that's the point of sales literature. I like the RDB's plastic furniture, but that's an opinion that has no chemical engineering study behind it to say it's great or that it sucks.
We'd love to get a KelTec Defender, that features an aluminum handguard, to see how it does. Maybe after we finish with our testing of the 20" RDB, we'll try boosting it's report card with one of those 3rd party hardguards.
How about some kind of a hydraulic trigger modification for other bullpups?
So you know, Kel-Tec doesn’t have the best bull-pup trigger. K&M does.
Theirs (K&M) is a custom-patented Elftmann Trigger w/ 2-stage adjustable trigger.
Just thought you should know. As a matter of fact, K&M probably has the best bull-pup on the market and even better is that it also is chambered in .308 & 300 B/O.
It is not ambidextrous so we will not be testing it. Awfully good to see another American company produce a bullpup though.
I suspect the trigger will be nice out of the box , but given that it is using a transfer bar to the sear like every bullpup trigger except the RDB, once it gets a little bit dirty it will rapidly degrade.
MCARBO has a terrific video on the RDB's trigger...to install one of their trigger return springs.
czcams.com/video/7oxoJ63C5_k/video.html
Can you create animation to describe how it works?
Yes, but it'd cost about $5,000. And it would probably suck.
Is Kel Tek reliable?
Reliable or Durable?
Reliable...the RDB has been very reliable as far as cycling and firing. The RDB chewed through the batch of Frontier 5.56 ammo that was blowing primers. Two AR's were repeatedly chocking on the stuff when the blown primer cups jammed themselves between the bolt head and barrel extension. The RDB, because it was ejecting the spent case and primer cups further away from the chamber, never failed.
We did once have a broken firing pin tip, but it didn't fail to fire and was only discovered upon cleaning.
The only malfunction I've experienced at 3,000 rounds, with the RDB was when the barrel extension lock nut came loose. Easy to fix, but out of service.
Good thing it's reliable, because dealing with some cycling malfunctions would probably require field stripping.
Durable? With 4,000 rounds fired. Broken firing pin and loose barrel extension lock nut. Replacement firing pin looks improved. Hopefully someone makes a titanium firing pin for the RDB. And maybe pin the barrel extension lock nut.
Compared the the Springfield Hellion and Desert Tech MDR, see the AmbGun series on the Hellion.
www.ambgun.com/ambidextral-rifle/hellion
If this gun can use rolling system
Maybe it can open a window to see the chamber
The two big complaints about bullpups:
1. Triggers suck
2. Malfunction handling can be ugly
KelTec dispelled the bullpup trigger myth with their rolling system based trigger. Seems like they, or a third party, would have worked out a solution to the second issue by now. Seems that if that AK47-like dust cover could pivot up like an M249, that would solve #2.
I don't worry too awfully much about malfs anymore. I don't know if it because I use decent ammo or if my use of Sentry Solutions dry lube or guns have just gotten super reliable, I just do not see much in the way of malfunctions anymore.
The latter years of my experience playing paintball was the same. Early years, lots of gun malfunctions, later they became very rare...I was far, far more likely to make a trip to the dead box due to poor use of cover than because of a gun problem.
@@AmbGun i mean Roller-delayed gas system
@@roc00851 like HK 91?
@@AmbGun yes
@@roc00851 I had a HK91 clone, the PTR91. That was way before my paintball days. It was heavy, but still had a sharp recoil and bent the cases as it ejected them 50' away. I wish I had kept it, but it doesn't compare to RDB and MDR post my lessons on optimal use of cover in paintball.
Лишние тяги требуют большой точности изготовления.
Less precision is required for a good design.
@@AmbGun
Тут больше грамотной инженерии, нежели дизайнерских изысков. Как у французов с Фамасом, например, не получилось.
@@AmbGun
Кстати, здесь курок пластиковый что ли?
is this a paid advert???
It should be, right? If I charge 3 cents a view, Kel-Tec owes me about $15. I suspect the Amazon Affiliate links in the description might bring in about $5 over a decade or so, too.
Looking forward to the day when CZcams monetization pays enough to justify doing DemoRanch like testing...pouring concrete slurry in the the trigger group, letting it setup, setting it all ablaze, and then test to see if the rifle still fires.
@@AmbGun Then you are a very passionate fan!
@@kalicom2937 Ya think? LOL. I was shocked to find that I actually slightly prefer the RDB over the MDR.
czcams.com/play/PLVlCoEE1rzM4-GWAgOBm_YO0IM5Q9D2b1.html