Stock forend raiser -Palm rest kit -Air arms. Details. Made from high quality aluminium, the design allows for the leg base to swivel on its axis, or be tightened in position, and the angle of each leg can also be altered via sturdy, spring-loaded side buttons. This is probably the best single modification for your Marauder. Though the transfer port does have a volume to consider, that adds to the total volume that the air has to expand through, the less total volume without restricting air flow the better. Seem a bit large - especially if one decided to shoot some .350 shot; hangup on the hole, maybe? Therefore, a shooter can control the air rifle easily; the weight is pretty fair, even for a young shooter. You must be 18 years or older to buy any air gun or air rifle in our store. Choose from a carbon fibre, cammo designs, or striking stylish bright colour options. Dave fits the highly regarded regulators made and designed by Dave Welham, and there are ‘regs’ available for all the Air Arms range, given how popular they are, including the FTP900 and the now discontinued EV2. Using a taper reamer you make the port larger at the piston side and leave it the same size at the pellet side. Made from high quality aluminium alloy, all components can be supplied hard anodised in a variety of colours. The full Match spec is based on the highly successful Free Rifle design, but also includes a heel plate at the bottom, instead of a hook assembly. UPGRADE ONE-WAY FILL NIPPLE, … Supplied & Fitted. Gun-mounted lamping kits have become very popular over the last couple of decades, thanks of course to the technology of rechargeable CREE LED lighting. In addition, they are popular just to be used as arrestor blocks, when fitted to the rails of a spring piston airgun, normally just behind the front mount. Considering that V-Mach does not resize the transfer port points to them being optimum size. I also polished the hammer and spring adjuster. Whether competition shooter, regular hunter, or just back garden informal ‘plinker’, getting the best from our equipment can still make a big difference; and for many, a big part of that enjoyment is the chance to enhance and alter performance, with add-on accessories. These devices are often sold as aftermarket add-ons, and have become increasingly popular among FT and HFT shooters; all keen to capitalise on theory that lays at the heart of the design. Here I put a handful of ideas under the spotlight for your consideration! This is a high power, heavily optioned, side lever air rifle that is packed with features. I used to sell something called the Hard Mount C, that I stopped selling because it looked sketchy with similar reliability. Fitted a silencer to mine almost whisper quite now. This minimizes the twists and turns the air must make when flowing to the barrel. It’s lightweight, and boasts a rapid recharge time of 4 hours, which does sound impressive. Sitemap. Opened up a HW 35 .22 to 5mm and noticed improvement. Internal regulators are small precision instruments that finely meter air within the compression cylinder of a PCP. Fitting really is simplicity itself, and just requires the original single stock bolt on the rifle to be removed, the action pulled clear, and then pushed snugly into the new woodwork. The original port seemed very small. Transfer port Mach number (0.670 g JSB pellet, 0.3556 m barrel). It would appear Tony has cracked the code for piston weight, stroke length, air chamber bore size and transfer port … Huntsman Classic. A diesel engine uses the same phenomenon to get its power--it compresses air in a … Simple but effective! My P-Ro setup is heavy hammer spring, drilled valve exhaust to 1/8 ", 1/4 in Poly tubing transfer port, B Staley o-ring mod, folding stock. CUSTOM TRANSFER SLEEVE for Crosman 13XX, 22XX & Discovery $ 13. Of course, an increasing number of full blown match rifles are creeping onto the circuit, but for those who wish to avoid the expense of such machines, yet still be able to transform the handling of their existing ‘sporters’, the addition of a hamster can make all the difference. Similar to my Streamlined Kit, this is a lot cleaner looking and is utilizing a 12oz CO2 (shown in photos). So be sure to unload the gun while safety testing the trigger after any modifications! It’s getting 530 fps with Premiers, but he hopes to increase this with a flat top piston. Indeed, once you shoot through an HFT course, you’ll soon learn to appreciate their worth. Form Riflestocks are made in Britain, from laminate, and are currently available in six colours- red & black, ebony classic, camo, royal jacaranda, artic blue & black and walnut classic. Find many great new & used options and get the best deals for Crosman Transfer Port Kit 1322a026 130-036 Bushing Sleeve 2240 2250 2260 1377 at the best online prices at eBay! It clamps to any standard 20mm Picatinny-style accessory rail. What would the [proper] size transfer port be for an air rifle being powered by air? Top British scope mount manufacturer, Sportsmatch, make several riser blocks to convert from 15mm rails to 9.5mm, or from 9.5mm to Weaver/Picatinny rails for example. Dave Brayford at Staffordshire Custom Rifles is a clever engineer in his own right, and carries out many modifications on airguns, but he also fits and sets up a precision regulator to several makes of pneumatic airgun. 60. 23-12-13, 20:47 #3 Boss Valve for Crosman 2240 , 2260, 2300 Series air Rifles or Pistols Great Modification. GRS make a variety of styles for firearms, but now, the ‘Sporter’ is the sole design being imported for airguns. This additional pressure stops scope shift, literally in its tracks. I had an excellent testbed for testing transfer port sizes and shapes. BTW, this type Daisy BB gun can be dry fired. Bipods have been around for a long time, and can transform our shooting, as they offer an ultra-steady platform. Rowan Air Strippers are available in a variety of styles, and can be specified to fit via a 1/2inch UNF, or slide-on design, fixed with grub screws. Time spent optimizing the spring is a better option. … Hydrographics, based near York, saw just such a gap in the market, and now offer some eye-popping options for stock patterns and designs, using a high-tech dipping/coating process, that leaves the gun dramatically re-finished. Shoot results, club chat and banter, If this is your first visit, be sure to MAGNUM RIFLE ADJUSTER for Discovery, Maximus & 2260 $ 35. Tweaks and modifications to hardware, are all part of that process, in a bid to improve down range performance. Wondering about modifying the transfer port if possible to improve efficiency. HW100 22. bsa xl tactical 25. fac custom rapid 177. fac custom ranger 22. mosberg pump. $50.00 . The spring is released and pushes a piston forward, propelling a pellet out of the barrel with air pressure. The new Alpha Bi-Pod from Daystate, is a really slick piece of design and very similar to the Atlas Bipod, though thankfully not as expensive! These valves require very little force to open, and the best initial setup is to utilize our twin spring setup and remove the larger spring, and the back the tension way off such that the hammer free-flights during firing. I thought accepted practice was to chamfer the front and back of the port, to improve air flow. Possably the reason behind the incresed port size would be allowing them to develop the same pellet velocity using a faster decompressing spring and a more effective seal system but less spring pressure allowing less recoil and smoother operation? But whether competition shooter or general enthusiast, there’s a raft of after-market options to consider. Three main designs are available- the Standard Butt Plate assembly, AKTIV Free Rifle Butt Plate, and the AKTIV Match Rifle Butt Plate, shown here. Using a pellet around the 8gr or above weight and the rifles improves by opening up the port ( up to @ 3.8 - 4mm ). Dennis Quackenbush made this set of removable air transfer ports so I could test various … No longer do I consider them a gimmick! falcon fn12tw 22. logun s16evo 177. Best described as being like a transfer. These modifications can range from simply do-it-yourself projects to projects that require specialized tools and/or work outsourced … If you want to assemble the trigger components, the manufacturer does warn that pushing the valve assembly beyond the transfer port may tear the O-Ring. Best described as being like a transfer. Custom stocks are perhaps the ultimate add-on, and make sense if you really like the way your existing rifle shoots, but just feel its handling could be bettered. Perhaps the biggest draw though, with these stocks, is that eye catching off-set pistol grip, which just feels right. Spring air rifles work by pushing a spring into a locked position. Chris Dowling put together this 1377 rifle that has been converted to .22 caliber. I found some older posts where port sizes have been mentioned, but they referred to Co2 platforms, i.e. The cone here, from custom engineering company, Rowan Engineering, is adjustable, which means the gap between the muzzle and the cone can be changed. Gunmart.net is the largest shooting resource and review based website, using the resources of Britain's biggest and most comprehensive magazines - Gun Mart, Shooting Sports and What Gun. ... High Flow Dual Hole Transfer Port And Pellet Probe Set For FX Impact. Can be used with C02 or high pressure air. It’s an attractive thumb hole configuration complete with finger grooves in the pistol grip, and a super stylish extended forend. Message Frequency Varies, Text HELP for Help, STOP to Opt-Out. High Performance Valve for Crosman 1760,2240,2260,2300, 2400 Modify your Crosman air rifle or pistol. The sudden compression of air generates intense heat, like a fire piston. GAUGE BYPASS CAP for Benjamin Discovery $ 29. Just the job then, and the perfect complement to high class woodwork. *Must be 18 years old. These fit standard 9.5-11mm rails and maintain the same above; so, they just allow the height of the sight line to be increased. An astonishing level of adjustment is possible with this butt hook system, and it comes as no surprise that the company counts Olympic shooters among its ever growing fanbase. Airgun safety is no accident. The problem stems from the fact that in HFT, many shooters compete with guns which have slimmed down, sporter- style stocks. CUSTOM 7075-T6 ALUMINUM PISTOL TRIGGER $ 32. A light polish of the inlet side to ensure smooth airflow should be all that is needed. Ray sako finfire rimmi.SIG 522. anie hmr. Makes the gun even louder may be a problem if pinking in the garden. The Norwegian GRS Stocks are manufactured from birch laminate, which is ultra-strong and stable as a medium. Dennis drilled out the port even larger and made up several transfer port inserts that could be installed from the outside of the gun in less than a minute. The port in the barrel itself, where the air enters the space behind the pellet. Various patterns and illustrations are available, and come on a thin role. Other QB owners have gone much further into the realms of modification to these rifles than I have, and loads of tuning info can be found HERE if you want to go the … ... Diana P1000 Air Cylinder Custom Gauge Brass Block Large. bsar10 .ripley hog.hw45 177. skan r32. On show here are the AB3 specified raiser blocks. The bottom 2 screws allows access to the hammer and spring assembly. Runs CPHP's in the 830 range for 18 shots shooting from full 3000 psi to 1600. There's one Filler Plug to fit the Benjamin Marauder Air Rifle, a second version fits the Benjamin Discovery and Crosman Challenger 2009 air rifles. © 2006-2021 IMMUNE TECHNOLOGY Corp. All rights reserved. Lots of people have tried experimenting with this. Introduction & Disclaimer. Like Scooby said there was the Whiscombe experiment. But regulators are also available to fit some other makes, so speak to Dave at SCR to discuss any special requirements and to confirm prices. My opinion on stock risers, or hamsters, has completely changed. A longer barrel, and a chromoly plenum, increased transfer port diameter, as well as some valve modification all which allow for unrestricted air flow and high power. .STEYR AUG 223. tactical scout 243, As I think most of you have noticed, I'm researching tinkering my HW77 further and further, FT & HFT. Groups can be seen to widen or close, as this gap is altered. I made a new transfer port with a 2.5 mm hole, the factory one … Not cheap, but high quality for sure. The Pro1 Pro Spotter Gunlight from top manufacturer, Clulite, is a great example of just how far we’ve come, and what’s available to today’s serious hunting enthusiast. Gone are the days when we need a friend to follow us around, carrying a car battery sized power pack, to support the lamping operation! Copyright © 2021 Aceville Magazines Ltd.Registration number: 04169559 | Registered Office Address: 185 Fleet Street, London, England, EC4A 2HS. Free shipping for many products! This kit from Air Arms is extremely well made, and a spacer kit is also available with additional spacer blocks, for even more versatility. 2 Ltr Luxfer Carbon Composite Cylinders 300BAR. The .357 utilizes all of the features found on the HP model. 00. Now you can check both the seals on the transfer port (between the air tube valve and the receiver/barrel inleede). ‘Speedlock’ press button adjusters on both the cheek piece assembly and butt sections, are superbly executed, with large spring-loaded discs that just need to be held in whilst the stock elements are extended up or down to suit. Shot a paper catalogue at 10mtrs with the new port it'll penetrate 90 pages deeper. $50.00 . Would welcome any advice about this and a Venom Stage 1 kit. Did require the length to be fettled to fit my steel breech, did a little before and after power test. It has a 24″ barrel, lighter valve spring, angled and enlarged valve and barrel ports, reduced valve stem, and poly port. It would matter … Includes Air Rifle Tech Service: £210.00 Reaming the transfer port doesn't necessarily mean that you increase the size of the port. Remove the top 2 screws, 2.5 mm allen key, to reach the transfer port. Text JOIN to 91256 and get $10 Off Your Next $50+ Order. The Filler Plug is simply held in place by hand when reinstalling the valve and gauge port, keeping the O rings depressed as they are pushed down past the gauge port hole. Limbsaver recoil pads are fitted as standard, and if you’ve not encountered the name, think ultra grippy and soft to the touch. HOW AN AIRGUN WORKS - How to repair and airgun - Beginners guide to the internal parts of a modern PCP airgun. Overall then, a great design, with a level of rigidity and sturdiness that can’t fail to impress. Includes Air Rifle Tech Service: £210.00 *Huma Regulator atmospheric (modifications to Cylinder & transfer port, machining required). +1 00. There is a good video on YouTube that shows how to disassemble it. You can do almost anything to the Marauder without degassing it - except go into the air tube. Ingenious stuff, and the results speak for themselves. Clulite offer several models, but the Pro1 takes some beating for all round versatility. The muzzle brake vents spent air, so should help to counteract muzzle flip. The model on show here is called the Ranger, and is designed to fit any of the Air Arms S400/S410/S510 models. The angled transfer port directs air / C02 pressure more directly to the pellet chamber. There’s a variety of reasons why the sight line of an airgun may need to be raised. Customers can have their entire rifle dipped, scope or stock only, or just the moderator, so check out the website for full details. 70. My HW 77 (.177) is of a different design and might be difficult. Hydrographics, based near York, saw just such a gap in the market, and now offer some eye-popping options for stock patterns and designs, using a high-tech dipping/coating process, that leaves the gun dramatically re-finished. Details. The less resistance to air that is provided by the transfer port the more quickly the air can move into the barrel to push the pellet. .28" and .31". TalonP valve to Condor Tank Adapter. System Gemini versions are a top quality British designed and made option, precision engineered to exacting standards. Actually, through his discoveries, Tony reckons he’s now in a position to design a spring-powered air rifle that is simply not capable of ever being taken over the limit, regardless of what size spring you put in it. The artwork is floated in a special tank, the background ‘carrier’ dissolves in the water, then the object is dipped, and the picture sticks to the job. Crosman 1077 Powerlet Conversion Kit Hard Mount D: Here is another one of my adapter kits. The beam is realistically effective at 250 metres, offers a 3 hour run time on high beam and 20 hours on low beam! Valve & Transfer Port Mods. The purpose of this site is to aggregate the HUGE amount of modifications that can be made to the Benjamin Discovery air rifle. 22 . Various patterns and illustrations are available, and come … A powerful main beam is of course a prerequisite, along with reasonable compactness, and the Pro1 Pro Spotter comes up trumps in every department. CYLINDER TYPE RIFLES ONLY. That said, it is very easy to get right, adjusted via an Allen key, with a little trial and error. For what a stock riser does is make a section of the forend much deeper, and for certain shots, this means the sightline can be significantly raised- getting over obstacles for example. The accuracy of these rifles come as a pleasant surprise to most shooters, and now the tuning kit has been fitted the power is nudging 12 ftlb too. More stocks are planned, possibly with adjustable elements for different models too, so watch this space. Leg height can be altered between 4.75 to 9”, via spring-loaded pull rings. Either way, the blocks are precisely machined, and offer an inexpensive solution for many enthusiasts, wishing to make alterations to their set-up. Available in a variety of colours; black/red, black/brown, green mountain camo, royal jacaranda (a mixture of tan, grey and burgundy), and blue, it will fit any of the highly popular Air Arms S400/ S410/ HFT500/ S510 derivative models, along with the older and now discontinued S300. This, along with a chamfer/radius created at each end of the port should improve the air flow through the port. Uses standard 12 gram C02 cartridges like Crosman Powerlets. Transfer port. An ultra-high cheek piece is another great feature, meaning eye/scope alignment is enhanced and all importantly, repeatable. Toll Free: 1-866-448-8878 Fax: 1-866-886-8189 Email: info@immune-tech.com 9oz tanks are … If you ream out the transfer port, the piston can bottom out, making the rifle harsh to shoot. What if your existing production stock, does the job perfectly well, but it could be decorated out of all recognitionretaining all its function, yet transforming an otherwise standard gun in the process? The Stripper can be specified in natural aluminium or black anodised too, and everything is manufactured to Rowan’s usual standard, so will perfectly compliment the quality of a favourite gun. GRS have chosen to market their stock for the Air Arms range due to the models being so popular and widely available, but may consider branching out with other makes catered for, possibly further down the line. “ And this is some kickass upgrade for Texan rifles. It’s easy The Boss Valve for 12 gram C02 increases the power of … Typical firing cycle for the Beeman RS2 air rifle with the 0.670 g JSB pellet, 0.3556 m (16 in) barrel (distances not to scale). How to remove and repair parts of a rifle … Butt hooks have become extremely popular on the outdoor airgun competition circuits, in both FT and HFT, and the idea is that they allow the shooter to shape and adjust the fit of the rifle at the shoulder, for personal feel, and all importantly, repeatable, ultraconsistent gun mounting. The ox is slow, but the earth is patient. Click here to read about proper airgun and airsoft gun safety measures. Replace the bolt and you’re ready for action. Shooting is an absorbing sport, and brings a huge amount of pleasure to millions, who appreciate not only the challenge and skill involved in performing to a high standard, but also the sheer enjoyment and satisfaction that the target sports and shooting in general can bring, just by taking part. check out the. Max-Flow Valve for Benjamin Discovery The Max-Flow valve increases performance over the stock valve. They can improve shot to shot consistency, but can also dramatically increase shot count, as efficiency is improved. Is that correct? Some designs, such as the Air Force PCPs, use a linear or axial flow arrangement between the tank (which is the buttstock) and the pellet. In addition, a small adaptor block is included, which allows the bipod to be fitted using a QD sling swivel stud, which is a neat idea. It's a shame the almost-all-steel trigger from the "Worlds Most Accurate" Model 499B cannot be used in the regular Daisy lever guns- it's a whole lot better than the plastic/metal trigger … Indeed, today’s level of super reliable, highly versatile, ever more effective lamps are a world away from the bad old days. As the pellet exits the muzzle, it immediately enters a small cone, which strips away the turbulent air, leaving it to continue on its way. Details. The hammer spring ends had a very rough finish so I polished them.