To remove the breech bolt put back Allen key. Replaced the barrel `o` rings and tranfer port seal and bored out the pellet probe .Power went up from 470 fps to 535 fps. this is the most complete gun rifle and pistol guide that you will ever need. With 70 shots per two 12g CO2 cartridges, decent accuracy, and a sub $100 price point, the QB78 or QB79 would be a … Dan, that is a beautiful rifle you have there. I see two camps on the tuning of a QB one favors more spring tension on hammer and valve to get it open and closed quicker. My own QB-78 has been sitting in a corner of the basement for a few years. Any help would be greatly appreciated, please forward any details to [email protected] Many thanks, requoil. Parts include wrenches, sight kits, tubes, bands, caps, muzzle breaks, seal kits, screws, nuts and bolts. -0200 Inside Plug which is positioned in front of the hammer part number 0600 spring 0700 and spring guide 0800 ... -0800 Cocking Block/Hammer Spring guide for the SMK Model,XS78==XS79==QB78==TH78D==Target QB78== Match QB78. 800+ fps in .22 would be well worth it. Get one run through a chrono and if it's got the power, you should be OK. ... Been using our QB78 on CO2 - hardly used as range = U/S, but it is quiet. 150 sold. Tuning Step 1 (optional) Tuning to vastly increase the muzzle velocity and power of your QB78 air rifle! After tuning they can be excellent, I've a QB79 giving me 10.5ft/lb and with the accuracy of the things - pellet on pellet at 30 yards, no problem - yes, fine for 30 yards or less. PLUS. Also; the main advantages and disadvantages of co2 airguns compared with spring powered guns and pre-charged pneumatic (Pcp) guns. QB78 Repeater Upgrade Kit Features. Airgun Tuning Guide.pdf. ps. By Marcus USA June 6, 2016. The bottom is a stock QB78, I tuned it following Charlies tuning guide and a few things out of my own hat, it has an Arts Shack muzzle brake, RJMachine barrel band and a shiney polished bolt handle (chucked it up in the drill press and spun it down with finer and finer paper then steel wool). In electronic format take uphardly any space. Unscrew the screw and unscrew completely locating screw for fastening hardwood stock. Please note that tuning is not covered in this edition of the book. I think we need to havesomeone do a write up on how to convert to pcp.. You stated you got over 1000 fps in .22 cal. Remove the barrel of a strong, firmly, pulling along the barrel. Unscrewing the lock nut from the bottom of the barrel to hardwood stock. Place a block under the module trigger and safety lever rod knock. OK, well It's done. QB78 Trigger Tune. B — Over travel or backlash factory set to about 0.25" turn screw clockwise to reduce 5,205. with your QB78 converted to pcp. The QB78 is a Chinese copy of a CO2 powered Crosman rifle known as the 160 Model from the 1960's. Login with username, password and session length. PTFE Washers for Spring gun. It will be nice if it works. Free postage. Under the barrel, after removal, there is a bolt connecting two tubes of the body/housing. Stephen Archer Stephen Archer is President of the Internet-based value-added airgun dealer Archer Airguns Inc. independent free Smk qb78 xs78 78 air rifle .177 pellet Original Logun instruction manual Makers and distributors of air rifles and pistols. £3.99. The QB78/79 provide near limitless possibility when it comes to tuning and modifying, but this review is for the fresh out of the box rifle. Telescopic Sight Set Up Manual.pdf. Bought this kit along with my QB78 Deluxe! Muzzle energy at 75 degrees F increases from about 8.5 ft/lbs for a.22 caliber gun in factory trim to around 12.9 ft/lbs. Maybe I’ll make tuning … Air Arms S300/S310/S410 Tuning Kit for UK and Export 6. 4. We cut our teeth on tuning the QB78 Deluxe QB79 CO2 series and have established some of the best quality tuning and power improving procedures for these rifles bar none. SMK QB/XS/TH 78 Bulk fill adaptor & S.Steel cap for Co2 or even air. Seal Kit For XS78 Complete Air Rifle. It's basically a length of 2mm wall stainless tube with a fill valve at one end and a demand valve based on the QB type at the other. QB78 Tuning Thursday, November 02, 2006 The QB78. critter99. Forums › Springers, Pumpers, C02, & Replicas › Springers, Pumpers, C02, & Replicas – Discussion › QB78 disassembly ( removing fur ball ) Views : 5439 Likes : 0 Likes : 0 | Subscribe January 8, 2018 at 12:21 am Link spysirParticipant Member Looking back it … Well I'm about to take my QB78 to the "next level". SMK QB78 XS78 MANUAL TUNING GUIDE, PRINTED DVD+FREE TARGETS. Here are some simple improvements that can make a good 'out of the box' co2 airgun into a great hunting airgun, namely the QB78/XS78. The Target QB78 is the final evolution of the bolt action 78 line. Only 1 left. SMK QB/XS/TH 78 Bulk fill adaptor & S.Steel cap for Co2 or even air. 5,205. critter99. Muzzle energy increases from about 25 ft/lbs for a .22 caliber gun. We can also tune a wide variety of other brands and models with equal skill and effectiveness. Didn't regret it at all! DVD Strip down & fitting a tuning Kit Various models see options. It’s plastic comb-bound so that it will easily lie flat on a workbench for reference. 5.0. $129.74. There are many mods available for these rifles, and the trigger mechanism is so easy that tuning and modding is easily done. QB78 Rotary Index Magazine Info. Just wondering how far you can take the basic QB78 with upgrades and modifications ? PTFE Washers for Spring gun. 4. Spring Rifle Tuning Guide.pdf. Hi Bill. The QB78 Family Airgun Workshop Manual was published 2006. QB78 Seals Info. QB78 Tuning the two viewpoints I seem to have seen QB78 Tuning the two viewpoints I seem to have seen. The bolt will feel stiff to start with too, it will wear in or you can use the info on CDT's (Bob's) site to help smooth it out. modifying and tuning of airguns rifles and pistols. DVD 5. Airgun Tuning Manual V2, for Spring powered models, 47 Pages On Dvd + Free Video 3. Can anyone help me with instructions, or where to go to get strip-down instructions. custom bolt handle dog leg to fit smk xs78 qb78 . That will be a great help for me and all the other members who are thinking about getting a QB78 or for those who already have them and want to make the change over to some other power source. Got a machine shop here looking at a re designed version, hope it will be slightly shorter overall, slightly thinner so no stock milling but still the same volume, also easier filling. Free postage. Smk Xs78 Qb78 22cal, Book Instruction Manual For Smk Xs78 Qb78 22cal in PDF. Upgrading, Modifying The QB78-How Far Can You Take It ? After removing the screws of the trigger assembly remove plugs from the casing tube and breech. Only 3 left in stock (more on the way). Then just shoot it in a bit before you try to measure anything. Optically Centring a Scope.pdf. Please Go To The NEW GTA Forums: CLICK HERE. Beeman QB78-22 Air Guns Rifles 3.6 out of 5 stars 38. Most of the new triggers feel gritty but less than an hours tinkering will fix that! I bought a tuning DVD for the Crosman Rabbitstopper thinking this would be the same, but it's not. Click on model when you check out. Cut the CO2 tube off, mill out the stock to take the wider PCP tube re assemble and start playing to get what you want from it. Airgun Parts, Custom Service - QB78-AR2078 Parts Accessories at ScopesAndAmmo.com - STORE_METDEX The QB78 trigger features three adjustments: A — Tension or trigger force factory set to about 4 lbs turn screw counter-clockwise to reduce Setting tension below 2 lbs may result in accidental discharge if the rifle is dropped. No New Post Nor New Registrations Allowed Here. Tuning to vastly increase the muzzle velocity and power of your QB78 air rifle. Even if I only got 20 shots from a fill i wouldnt care. £32.00. Separating trigger casing assembly requires unscrewing two screws. Spring Compressor.pdf. The QB78 tune kit was easy to put in and I love the extra power it now has. Beeman QB78S CO2 Air Rifle air Rifle 4.3 out of 5 stars 32. If you like you can email me at. If you have issues installing it, just google it or YT it. He is a recognized expert on the QB78 family and other Chinese air rifles and has extensive experience testing and working with these excellent value airguns. SMK Universal Co2 Rifle Seal Kit Fits XS78 QB78 TH78 Target QB78 Match 78 XS79. READ THIS: This Is The Old GTA Forums, Which Is Now An Archive. Pushing the valve is possible in many ways, for example by pushing it through the hole in the tube with a screwdriver. You will be able to choose ebooks to suit your own need like Instruction Manual For Smk Xs78 Qb78 The QB78 Family Workshop Manual is a black-and-white hard copy airgun book that’s laser-printed on high-quality paper. Archer Airguns offers a wide selection of parts for QB78, QB79, and AR2078 Chinese airguns as well as Crosman 160 air rifles. Shim Guide.pdf. I did try and post it here as a PDF but it's a tad over the 100k limit. £4.99 postage. To remove the safety lever must first set it to the "S" 5 x QB78 Tuning Guides. The rifle comes with the Custom gold bolt and trigger blade of the TH78D. beeman air rifle gun owners user manuals and exploded diagrams . Click on model when you check out. Airgun Tuning Manual V2, for Spring powered models, 47 Pages On Dvd + Free Video 3. Finishing Gun Stocks.pdf. Copyright © 2021 WOLF AIRGUNSPowered by osCommerce, Hatsan AT 44, BT 65 High Efficiency Silencer, Silencer for Crosman 2240 and 2250 pistol, K-BAFFLES High Efficiency Premium Silencer, High Efficiency Premium Silencer for Evanix REX PCP Air Rifle. PLUS . DVD 5. And if you’d like someone else to tune the gun for you, there are many tuners like Charlie Pitts, aka “Charlie da Tuna”, who can get your QB78 shooting up to its full potential. £11.99. QB 78 Tuning Tuning the QB78 … Page created in 0.141 seconds with 22 queries. Just wondering if you could post some pictures of what you did to your QB78 ? Step 2 : Valve dimensions change Re: Upgrading, Modifying The QB78-How Far Can You Take It ? I'm sure you will enjoy it Bill, just run a few dry patches down the barell before you shoot it. beeman airgun air rifle gun owners manuals exploded diagrams service maintenance and repair Can you tell me what you had to do in order to convert your's to pcp ? RE: Upgrading, Modifying The QB78-How Far Can You Take It . If you travel a lot, you can easily download Instruction Manual For Smk Xs78 Qb78 22cal to read on the plane or the commuter. Muzzle energy increases from about 22 ft/lbs for a .177 caliber gun. DVD Strip down & fitting a tuning Kit Various models see options. All Files are in PDF format. Air Arms S300/S310/S410 Tuning Kit for UK and Export 6. Pros More power. Multi Shot using standard Benjamin 10-shot magazines (1 magazine included) US Designed CNC manufactured; Anodized Aircraft Grade Aluminum Breech; Includes upgraded steel bolt that increases the QB muzzle energy up to 100 fps; Cock on opening action; Rear breech locking for easy magazine reloading Typical muzzle velocity of a.22 caliber QB78 family air rifle is about 525fps at 75 degrees F. This tune kit increases that to around 635fps at the same temperature (depending on pellet type used). qb78 tuning I have tapered the front of the valve , opened up the transfer port and smoothed/chamfered all edges. Includes product information, company history, product search, contact information and related links. Post Dec 24, 2010 #1 2010-12-24T21:05. I've just ordered a .25 barrel to go on top of the existing PCP conversion. Cons Non. It or YT it nuts and bolts you shoot it in a corner of the basement for.22! Around 12.9 ft/lbs xs78 QB78 TH78 Target QB78 Match 78 XS79 to do order... 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