A copy of the pump assist Benjamin 392

Designed by Bob Moss?

https://www.pyramydair.com/blog/2007/12/the-pump-assist-benjamin-392-part-4/

hi folks,

I hope you all are doing well. Just ordered my first ever air gun. Excited to say the least! I grabbed the regulated version of the Benjamin Marauder.

Now I am shopping around for ammo.

A tin of slugs sounds like something fun I'd like to mess around with. On PyramidAir website, when I filter to .22 cal slugs, it shows me options like .218.

I know this is a dumb question probably, but can I use .218 slugs in a .22 rifle? it's such a negligible difference that I'd like to think it doesn't matter, but another part of my brain is scratching saying I should ask the pros first to make sure.

What do you guys think?

Thanks!

EDIT:

Thank you all for your replies! I'm glad I came here to ask. I'll take your collective advice and avoid slogs for the foreseeable future, at least until I feel like gun is basically an extension of myself, and I feel like I can experiment with other playful ideas like slugs without messing up any first impressions.

I may post back here on this forum maybe later today or tomorrow, with a potential first "cart" of pellets from Pyramid, and see what you guys think.

Thanks again!

//

raise your hand if you’ve felt the pain of manually pumping a gun with a tank or tube that’s +200cc from zero to 35k psi.. share what gun, up to what psi, and reason why.

i’ll go first, huben k1 up to 30bar. had to do it multiple times troubleshooting and fixing a leaking fill port and then while troubleshooting a broken sear arm. i didn’t have a compressor then because i never needed one for my notos.. enter huben k1
tell me i’m not alone. please haha

Hi everyone I just ordered a Taipan Vet 2 700mm .22 from Talon tunes and should be getting it this thursday. I’m very Very exited. There is one thing though. I am new to PCP rifles AND have only had gamo .177 rifles and mostly shot walmart crossman premieres which they shot really good IMO. i don’t know much about ballistics or anything like that(also have never used slugs). What do you guys recommend me getting? Ive read that JSB redesigned work fairly well but theres 3 options. Shallow regular and deep skirt. I will shoot the pellets anywhere from 30yds-150 and will be mainly dove hunting.. What do you guys recommend getting to test out? It would be even better if somebody with a Taipan vet 2 with same barrel length chimed in. Thanks in advance.

Hi all..fairly new to the FX PCP game (had a Maurader for 20 years before I realized this world of amazing PCP's existed. I picked up a lightly used.25 maverick and .357 Impact M3 a few weeks ago. Provenance on the Maverick is perfect. super tuned to shoot JSB's thru one hole, every single shot. It's perfection.

The m3 I'm struggling with a bit. specs. 800mm barrel, supertwist barrel. Donny Emperor. Running 175/140 reg. 4.5 lines on the bottle valve. 14 macro, 4.2 micro. FX Hybrids. Element Helix 4-16-44

Gun always takes a shot or two to settle once I fill it (240/45 bottle reg) but after a couple adjustments, it shoots 1/2" groups at 50 yards. totally acceptable. Chrono 940-950. Once im zero'd I usually go for a walk around our barn property and pop a few ground squirrels...I know, the 357 is overkill, but damn does it hit hard. 120-140 yards with a 8-12 MOA holdover no problem.

The issue happens when I come back to the bench and put a few last shots on paper. maybe the bottle pressure is down into 200 or so (after 10-12 shots) but never close to reg 1. (175). I'll start shooting at paper and my POI will have shifted wildly up to 2-2.5" to the left or right. never consistent one way or the other, but the last three outings it happened every time. I'm not jostling the gun hard on walks, setting it down soft so I don't think its a physical handling thing.

Looking to eliminate variables that might be the culprit. My first to thoughts are the scope and maybe the enormous Donny emperor. I have an old vortex I can run on the Impact and see if its a scope issue, and I can shoot the rilfe sans moderator to see if its a clipping issue (although I dont see why I would shoot tight groups, and then the groups would move left or right but remain tight if clipping was the issue). Regardless, I did just order a new moderator from donny (Ronin becuase they reccomended it for that gun AND its half the length).

Does anyone have any other thoughts to what might be happening here? I dont think its reg pressures, hammer, etc. That long ass barrel seems to flex pretty hard during shots with the heavy moderator on it and its not an upgraded barrel either. would getting a stiffer barrel help the cause? I just cant understand why I would be shooting tight groups and the POI would move suddenly but groups remain tight.

Help! Thanks in advance

I am new to all this, I keep seeing stuff about moisture getting into scuba tanks and gun tanks. im not worried about moisture yet, I’ve filled the gun twice. I got the cheap filter comes with shoe box compressor. I fill or run compressor in driest air I can find. There is a simple way to remove moisture from high pressure tanks and systems. Pull a vacuum on the tanks and hold it for a short amount of time. So I must be missing something, something about being able to pull a vacuum on these specific type of tanks must be difficult? Maybe something with the valves? Does anybody know? A vacuum pump capable of pulling and maintaining a vacuum are pretty cheap. Easy to get. So I got to be missing something . Edit; maybe I should mention , this happens anytime you get your cars AC system serviced. Refrigerant is dumped and a vacuum is pulled and held around 30 or 40 minutes. All moisture quickly evaporates under vacuum and vac pump pumps it out. I have done this process many times and I could probably adapt the equipment I would use to do it and make it pull a vacuum on anything with threaded fittings.

ok, rewind back a few days ago when the thread was created about "who shot there .177 today",
from the pcp airgun section.....
well, i posted i missed with my HW100 @80 yrds....but i didnt mention i hit the pine comb he was eating and knocked it out of his hands & mouth!! and he high tailed it !!
about 30min ago, i was in the barn servicing the tractor and heard the cardinals screaming.....so i grabbed my barn gun.
the ataman .22 topped with 14.3 cpd's.....its all over now

Rifle is sold.

Those are the choices and, I like all three. However, I have a leaning towards one, but want to see how the community aligns or not with my choice. I would really like to briefly know why one was picked over the others. My first poll and 7 days seems plenty long. Thanks for casting a vote and or a comment. PM's welcomed too.

I have several new FX Maverick and FX Impact M3 on sale, code GIVE300 for $300 off custom bundles. The code is limited to total of 10 uses and is valid until 8/31/2024 while quantity lasts. No backorders. Let me know if you need a special bundle such as caliber, length, scope, etc. FX Impact M3 is a great airgun, use $300 savings on items that matter. Questions are welcomed.

I’m going to buy my first PCP rifle and want to make sure that I’ve done my due diligence. I will be using the rifle to begin shooting HFT, informal benchrest, and rifle silhouette practice. So purely a target gun. I currently shoot an FWB 300 for informal 10 meter and 25 yard target practice and HW30 at 20 and 30 yard silhouettes. I talked to Darren at AOA and he suggested the Daystate Revere plinker package. He said that despite the fact that I have a scope suitable for HFT, the moderator and additional accessories made by package the best deal. Since I live in Phoenix, buying from AOA seems to be a no brainer.
So my question, “Is the Revere the best choice or are there other rifles I should consider?” Thanks, Tom

Is 30 FPE enough for BIG raccoons at 30 yards in .22cal? I’m also thinking about tuning my .177 gun to shoot the 16 grain exact beasts at 30 FPE. I feel like a .177 at 30 FPE should have enough penetration.

For sale is this 60 minute MSA tank with a new 300 din valve , upgraded gauge and 20" fill hose protected with strain relief the whole length. Please note ; this tank is 21 years old . It sure doesn't show it's age as I've seen 2 to 3 year old tanks that look much worse. Obviously this was a back up unit with little service time. I purchased the tank , cleaned the exterior , removed the valve , inspected the interior .........which looks brand new...installed a new valve / fill assembly using a 90 Buna o-ring and upgraded the gauge to a larger , easier to read unit. Then a slow fill to 4500 psi and let the tank sit for several days. It still is at 4500 . At it's age NO COMMERCIAL BUSINESS WILL FILL IT. You must have your own source for high pressure air , either your own compressor or a real good buddy with one. I personally use these tanks with my cascade fill set up. They look almost new and function perfectly. Because this tank is past it's "15 year service life" , you must use at your own risk and weigh the risks for yourself. Selling for $235 plus shipping and insurance . I use Pirate Ship and do not pad shipping costs. FYI the box will be 26 x 8 x 8 ~ 15 lbs +/-. This tank will be shipped empty to comply with DOT regulations..................unless you wish to drive to Hickory ,NC ...........then you'll get it full! Not interested in trades or offers at this time. Please deal by pm. Thanks for looking.........................Herb


















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Couple of old pellet guns that were given to me. I know nothing about them.
Sell for cost of shipping and packaging.
Underlever is Chinese lion brand

I am sometimes not sure,but I think it would be the Crosman 1701, why,i t is accurate,has good trigger and gets a lot of shots ,plus easy to fill with a hand pump.
Also big fan of the 1720.

FX Dreamline POWER PUP
Barrels. 500mm .30 500mm .177 600mm .22. All with correct pellet probe
Extra different hammer weights. Heavier hammer spring and original
Donnyfl fx moderator
.30 magazine. .22 single shot tray. .177 carm single shot flip out pellet loader
10-40 tasco target scope and mounts
Complete o-ring kit
This is a factory dreamline power pup with the 580cc carbon fiber bottle
$1250 shipped OBO
TRADES?

I just wanted to take a second to give credit where credit is due. I have shot all kind of slugs through my Texan 457 long barrel. The Mr Hollow Point cast slugs are hands down the most accurate slugs I have put through my Texan 457, and Dragonclaw! I don't know how he does it but the consistency in his ammo is crazy!! If y'all.are looking for quality, accurate slugs, you can't go wrong with his!!

First off I purchased a Dream Tac Compact from Scott.t on here and I can't thank him enough, great guy and great deal.
Here are a few of the observations I have since putting a several hundred rounds through this rifle.
First, the mechanical.. I like the idea of total adjustability, but I have to admit, I'm the type of shooter that tunes a gun for a purpose and generally leaves it alone. For me, the Royale is the best FX rifle made, hammer, reg and xfer port are all adjustable. But, this DT is fun in it's way.
Second, the trigger, with so much technology going into FX rifles, it escapes me that they don't redesign the trigger. It's not bad per se, it's just not up to the guns. Every FX has basically the same trigger with the exception of the Boss, and that trigger is a monstrosity to install and tune, but it's a step in the right direction. I suppose this is nit picking because the trigger is quite useable, and can be tuned some, so it's not a big gripe.
The action is outstanding, as all FX rifles are, smooth and functions perfectly, this is where FX shines. They did come up with a much, MUCH improved magazine, which is perfection personified! This little dandy is just the right weight, not too light, and certainly not too heavy, with a scope of the compact 3-12X persuasion, it is wonderful. One thing FX got really right, was the comb to pic rail height. If you've shot a Notos, you have experienced the other end of the spectrum. With the Notos I need super high rings, and it is just kind of strange, but the DT has a raised pic rail and a lowered comb and it is perfect.

Enough comments, I have questions.
Let me preface this with I totally understand the problem with such a short barrel and a cf 300cc bottle. You're simply not going to get a hundred shots in the 900 fps range, it ain't happening. By the way, my original post on this subject was when my chrony crapped and I got some amazing results for this rifle, but my new ProChrony proves a much lower fps. But still, I keep thinking that mid 800 fps with 18gr pellets, and somthing on the order of 40-50 shots is not out of range.
1) There's not a lot online that I could find about tunes. I started with 18.1gr FX pellets, and accuracy was fantastic, top notch, but velocity was low from what I could find online. I'm having trouble getting even 750 fps. It is low 700s.
I moved to any other 16gr pellets and the speed is up of course, but accuracy is meehh, 2-3 moa, or worse. It turns out the turbulence from the short barrel at max output is too much for light pellets. I tune it down a bit, get 750fps , with just over 100 bar reg, and 4 hammer, and accuracy with lighter pellets is equal to 18 gr pellets, fantastic. BUT, online I did find two tunes, that got well over 800 fps with 16gr???
If I move the reg to lets say 140 bar, then air useage goes well off the charts, and I don't get the velocity gain you would expect. So it seems here I'm running out of barrel?
I have my reg at just over 100 bar now, and am getting the 16gr 750fps and good shot count.
My thought is to increase the reg, cut back the hammer and start increasing the hammer til it doesn't show much increase and see where I go velocity and accuracy wise. This is the only real tune I could find online and it gave 840-860fps.

One more note, I can't feel much resistance when chambering a pellet, so I'm going to try and see if maybe the breech seal needs replaced, but I'm doubting it, because, my 750fps tune with 16gr pellets, produced a 28 shot string, with 9fps ES, so looks good there, but it is possible, it leaks aboud the seal, consistently, I've seen it happen, and a short barrel lessens the effect somewhat.

Any thoughts from the FX gurus?

Custom stock and 4500 psi 580 tank. Love 64 and 68 gn hpbt. New Doug Nobel .257 valve and spring. 111 gn hammer. Deal by email. [email protected]. **Now $550 shipped *** $600 shipped conus. Gun only. No scope.

I'm trying so hard to dial in my Sam Yang 909 with arrows, but I cannot keep the arrows from being destroyed or lost. I have the best Yellow Jacket compound/crossbow target that I can buy and the bolts still either blow all of the way through or go so deep that the only thing stopping them is the fletching on the exit side. This afternoon I made three shots on target; one went through to the fletching on the opposite side (all fletching tore off when extracted), one went all of the way through and was recovered, albeit damaged (bent tip...replaceable), and the third blew through and was lost. $40.00 in arrows and a bent tip for three shots. Brutal.

I DID pull a chrony out today with the arrows, which was a first. I clocked shots two and three (@ 2600 and 2200 psi respectively) The first shot was at 407 fps and the second was at 424. All were shot on half power.

I can't keep doing this. Three years ago, I started down the arrow path and similarly lost bolts. I shelved it for a while but recently wanted to explore it again. I thought I had stepped up my game to prevent that, but apparently, I have a way to go to get better results. I can't afford to keep fumbling around and spending hundreds on arrows for a dozen shots. Any suggestions on how to stop the bolts while still maintaining arrow integrity?

* I would like to ask that you not clog this master thread with discussion advertising 3D printed parts that you or a friend of yours may have designed. Please locate the appropriate thread and create a single post letting readers know what your design does & where to find it. *

The Huben GK1 has been a long time coming by bringing almost all of the benefits of its big brother (the K1 rifle platform) in pistol format. I believe this pistol is the brainchild of @Gregor (Keminsk) hence the “GK”. Should can find many of his Huben videos in YouTube - some will be included within this thread. I don’t want to over talk this platform since the linked threads can do it better justice than I. I think air pistolero Ron Robinson (@AirNGasman) said it best here in post #s 8, 12, & 16.

Since the release of this revolutionary air pistol in 2023, it is only natural to create a master thread. This thread is dedicated to the Huben GK1. Here you will find links to threads discussing: use, adjustment, optics mounting, ammo selection, custom parts, conversion (carbine, shorty, etc), problem diagnostics and solutions, and more concerning the Huben GK1 PCP air pistol. The point of this thread is to have a repository of information for all things concerning the GK1 so that members and visitors searching for answers can have a starting point for their queries. Think of this thread as an “X marks the spot” on the AGN treasure map concerning the GK1. Certain threads may be omitted because they did not generate effective responses furthering the knowledge base on this air pistol. The point here is to compile a useful framework on this particular pistol for all readers to use as a point of reference to better learn the GK1 or to help others.

Owner's Manual:
GK1 Owner's Manual

Reviews and Testing:
“Huben GK1 Celebration” review thread by @weevil after approximately 10,000 shots!!

“Huben GK1. My First PCP Pistol”

“Latest GK1 Practical Accuracy Testing”

“GK1 at 100 Yards”

General Information:
General discussion about the anticipated
release of the GK1 and user Experience
“Huben Pistol” (the original GK1 thread on AGN)

GK1 Versions:
“Huben GK1 V3 with V1 Wrap”

“Latest GK1 Pistol Wunderpistol Wonderment”

“GK1 vs Leshiy 2 250”

“Charging GK1 with a Hand Pump”

“Huben GK1 Fill Probe” (fits the Notos & Vice versa!)

Setup, Adjustments, “Tuning”:
*This is an unregulated airgun from the factory. Therefore I believe the term “tuning” in this context is a misnomer unless one adds a regulator, hence the use of quotation marks.*

“25 GK1 V3” a helpful “tuning”thread by @zx10wall

“GK1 Adjusting Power Question”

“Huben GK1 - Power Adjustment” (video)

GK1 Ammo Discussions:
“New Pills for the GK1!!”

“.25 Slugs for GK1?”

“Another Huben GK1 .25 Ammo Thread”

“AVS Slugs for My Huben GK1”

“GK1 .25 Tuning for Altaros & JSB - Charts and Data”

“Huben Slug - Peanut .22 Caliber”

“GK1 .22 - One of these 20 Pellets is Incredibly Accurate” (video)

GK1 Optics Discussions:
“GK1 Optics”

“What’s the Best Red Dot for the GK1”

“Huben GK1 Moistone Mount”

“Huben GK1 UniMount Optics Mount - Fits ALL GK1s“ (video)

“Huben GK1 Red Dot Sight Mount Installation” (video)

“Huben GK1 Red Dot Sight V2 Mount Installation - New Design”

Modifications:
“GK1 Performance Modifications” (thread)

“GK1 - Carbine or Stock Mods”

“Huben GK1 Carbine”

“GK1 Turned Convertible Carbine With Corcoran Walnut Stock” (thread)

“Huben GK1 .22: A Beginner’s Journey to a DIY Mini Carbine”

“Wood Workers for GK1”
Discussion on Creating a Wood Stock to Turn the GK1 into a compact Bullpup

“First Impression of Huben GK1 .25 Shorty”

“Huben GK1 Unlocked” (thread with video)

“Huben GK1 - Upgrades from Wolfiek Group”

"GK1 V3 Grip Adapter Installation" (video by Buck Rail. Also shows carbine conversion)

Moderator Options (please refer to the AGN rules on moderator discussion before contributing)

“GK1: What Silencer for Backyard Quiet or Almost?”

Shooting the GK1:
Here’s a short video demonstrating what looks to be and sounds like some good offhand shooting with a .22 GK1. “GK1 1st Offhand 24 & 41 yards” thread w/video.

Accessories Disccusions:
“Huben GK1 Rear Picatinny Adapter Complete Redesign and CNC”

“NEW! Huben GK1 Top Mount Picatinny Rail” (vídeo)

"Huben GK1 Lower Picatinny Rail Kit" (video by GoGun)

“Huben GK1 Holsters”

“What Holster for the Huben GK1?”

D/L Files to Print GK1 Accessories: https://www.airgunnation.com/thread...d-loading-gate-silencer-for-download.1304558/

“Huben GK1 Custom Grips for Sale?”

GK1 Maintenance:
“Huben GK1 Dissasembly Part 1” (video courtesy of @krazcool also posted under a @Bernie7 thread. This age-restricted video series must be viewed on YouTube. It demonstrates one of a few recommended methods of emptying the air from the GK1 reservoir (degassing).

“Huben GK1 Dissasembly part 2” (video by @krazcool)

“Huben GK1 Disassembly part 3” (video by @krazcool)

“[follow up] 2 Different Methods for Degassing the GK1 (explosive disassembly?)” (thread by @Bernie7. This thread contains links to 2 videos).
In posts #4 & #9 @krazcool explains other methods of degassing the GK1 in sequential order of importance that he recommends.

“Explore the Inner Workings: Huben GK1 Disassembly Tutorial” (subtitled video w/out talking by the Wolfiek Group/Huben Shop in Spain)

"Huben GK1 Pistol Maintenance Modifications, Tips, and Tricks" AGN thread https://www.airgunnation.com/thread...cations-tips-and-tricks.1302408/#post-1815690

“Huben GK1 Barrel Cleaner (edit: works for .22 and .25)” thread including photos by @weevil

GK1 Barrel Cleaning (see post #42) thread post including videos by @Navig

GK1 Problems and Solutions:
“Any Issues or Problems with Huben GK1 Please Share Your Experience”

“GK1 Leaking When Trying to Fill”

“GK1 Magazine Won’t Index”

“Shot My First Shot in GK1, and the Air is Now Empty & Pellet Jammed Unable to Rotate Mag”

GK1 Photo Threads Showcasing Various User Setups
“My Huben GK1 All Dressed Up”

“Huben GK1 Target Groups (photo thread)”

Where to Buy…:
Huben GK1 (United States & N. America)

- Ares Airguns Tactical - Covington, Georgia

- KRAZ Cool Airguns LLC - Missouri

- GoGun (USA & Canada) - Florida

- New England Airguns - Massachusetts

Africa:
Botswana: Trust Trading (pty) Ltd.
Address: P.O. Box 800ABG Sebele Gaborone Botswana
Email: [email protected]
Mobile: +267-3166242

South Africa: The Airgun Nut
Address: Midrand, South Africa
Email: [email protected]
Mobile: +27 82 855 4222

Europe
Czech Republic: Next Company s.r.o
Address: Trnita 14, 60200 Brno, Czech Republic

Finland: Eräliike Riistamaa Oy
Address: Kotitontuntie 5, 02200 ESPOO Finland
Mobile: 09-4110 1290

Malta: Executive Guns & Ammo
Address: 52,Triq il- Ghadam, Zejtun Malta
Email: [email protected]
Mobile: 00356 79425057

Netherlands/Belgium: Bascule Vof
Address: Utrechtlaan 9, NL-4926 CK LAGE ZWALUWE, Netherlands
Email: [email protected]

Spain/Portugal/UK: Huben Airguns Shop (Wolfeik Group)

Slovakia: BR Team s.r.o.
Address: Bubnova 1, 94505 Komarno, Slovakia

Switzerland: CBR Trading AG│ Richner Waffen
Address: Riedstrasse 8, 4222 Zwingen │ Hintermättlistrasse 4, 5506 Mägenwil, Switzerland
Mobile: +41 61 723 20 00

Asia:
Iran/Iraq: Akram’s Exhibition
Business District 201, Street 60, Shop 7/32. Sulaymaniyah, Iraq.
Mobile 009647701527049
Email: [email protected]

Kuwait: Abdullah Almejren Est.
Address: Block 1, St 20, Building 1505 , Shop 3, Alrai, Kuwait
Mobile: +965-94982322

Lebennon: Fayad Sport s.a.r.l
Beirut - Lebanon
Email: [email protected]
Mobile: 00961 1 393660

Saudi Arabia: Fahad Alabdullatif Est.
Address: 7948 King Khalid RD, Buraydah 52361, Qassim, Saudi Arabia
Mobile: +966503847777

Turkey: Hope Dogǎ Sporlan
Address: Selamiali Mah. Anıt Sk. 1/C Üsküdar / İstanbul, Turkey
Email: [email protected]
Mobile: 00905322324289

UAE: Al Qanna’s Hunting Equipment LLC
Address: Al Garhoud Almuhairbi Building, Garhoud Residence Near Welcare Hospital, P.O.Box 251275, Dubai - U.A.E
Email: [email protected]
Mobile: 00971-4-2828084/2832134

Parts & Accessories:
KRAZ Cool Airguns LLC (highly recommended) - Missouri

New England Airguns - MA

i have a low profile mounted laser zeroed between 1st zero(pellet trajectory rise) and 2nd zero(pellet trajectory drop) as a reference to possibly correct my parallax..assuming it’s mounted and zeroed near perfectly with the y-axis of my bore, im imagining it as a zero that that stays consistent with bore alignment regardless of where i’m looking through the scope.
looks like this through my scope since the laser isn’t zeroed the same distance as my scope. farther down range the green laser will eventually intersect with the center of my reticle. the red would represent the laser at even farther range.

i’ve been using it like this and my accuracy has been very consistent. am i just tricking myself? anyone else wanna try this out and give some input?

Is there any videos of RAWs being dissembled like the FX master class and the BRK videos? I know it’s an easy gun to dissemble, but I just like something to follow when dissembling. I can’t even find a schematic on these guns.

Can someone make some videos? That would be awesome for the community of RAW owners.