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Found 4 results

  1. Apologies for the bullet-point formatting. It seems I can't modify it so each list is single-spaced. If the formatting really bothers you, here's a link to this same document on my google drive: https://docs.google.com/document/d/1U8acwm_xEDo04XfRLj5s-8Zh1z1LMpER9AGWt6l8ONQ/edit?usp=sharing TOKYO MARUI M870: BUILDING THE ULTIMATE AIRSOFT SHOTGUN This is a modification-oriented overview of the Tokyo Marui M870, which has been written over the course of 6 months and covers each phase of my modification and outfitting plan. Treat this writeup as a technical supplement to the more standard reviews already out there, some of which are listed in the Additional Resources section at the end of this document. If you’re short on time, the following is the BLUF (Bottom Line Up Front) for this article: This gun is okay out of the box. Somewhat better than a spring-powered tri-shot shotgun, but not significantly so. See Phase 1 notes for more details. The issues plaguing earlier production runs of this gun have been largely corrected in newer batches. See Phase 2 notes for more details. If you want to maximize reliability and exploit performance potential, get comfortable with taking the gun apart. This especially applies to the x-ring modification, which greatly reduces the likelihood of your gun leaking. See Phase 2 notes for more details. If you plan on upgrading, use WiiTech parts. The more, the better. See Phase 2 and 5 notes for more details. If you want to fine-tune your gun’s performance, converting to HPA is recommended. See Phase 4 notes for more details. If you want to run ammo heavier than 0.30g, be prepared to experiment with the hopup system. See Phase 3 notes for more details. If your gun ends up shooting 0.36+g bbs best, you’ll likely need to upgrade your loading system components. See Phase 5 notes for more details. Fitting a real Remington 870 stock is possible, but it’ll take some work. Having a machinist perform the modification is recommended. See Phase 6 notes for more details. Do not use soft or brittle bbs, like Valken. High-quality bbs like HPA and BLS minimize the likelihood and severity of jams. See the Verdict section for more details. The contents of this article are as follows: Inception/Viability/Selection: Background information Phase 0: Notes gathered from various reviews about TM M870 problems and fixes Phase 1: First impressions and stock performance Phase 2: Disassembly, upgrade and reinforcement part selection, and installation Phase 3: Experimenting with different hopup modifications Phase 4: HPA conversion and performance testing Phase 5: Internal part repair and reinforcement Phase 6: External part selection and fitment, including converting a real Remington 870 stock to fit Phase 7: Accessory and equipment selection On the field/Verdict/What’s next?: After-action report, final modifications, lessons learned, and conclusion Additional Resources/References: Helpful links and sources for information indicated by bracketed numbers The following is the parts list for this build: Base gun: Tokyo Marui M870, wood version Internals Amped Airsoft Integrated Grip Line (IGL) for Jack 1.1/F1/F2, screwed into ¼-28 tapped gas port Blackcat mechanical box spring set WiiTech 150% hammer spring, P/N 4051 WiiTech stainless steel valve pin, P/N 4043 Size 104 nitrile x-ring, modified, installed on valve pin DangerWerx transfer bar WiiTech aluminum loading plates, P/N 4044 WiiTech duster gas nozzle, P/N 4045, with nozzle shaft return spring from WiiTech top gas loading nozzle WiiTech 2016 version hopup chamber, P/N 4059 TM hopup rubbers, shimmed with electrical tape WiiTech 6.03 x 380mm extended inner barrel set, P/N 4032 Externals Real-steel Knoxx SpecOps stock, Gen 1, machined to fit Blackcat sling adapter, slot type, modified to interface with Knoxx SpecOps stock TM M870 Tactical black faux bolt, P/N 870T-39 G&P saddle rail and shell carrier, cut down, P/N MSP-017 Real-steel GG&G QD T1 mount, with Dytac T1 red dot and WiiTech T1 lens protector G&P railed pump, P/N MSP-002H, with Longshot Manufacturing 25-slot M-Lok rails machined to fit Replica H&K vertical foregrip Night Evolution M600C weapon light FMA LA-5 battery box Replica KAC rail covers x2, cut down, backside filed to allow passage of cables WiiTech dummy magazine tube extension, P/N 4028, with coupler from G&P magazine extension Real-steel Remington 870 magazine tube clamp US-issue M60 sling, configured as 3-to-1 point quick adjust sling with ITW MQRB bolted to saddle rail Accessories/other TM shotgun shells with MAS SuperFeed springs and HexMag follower bases Redline SFR regulator First Strike Hero 2 48/4500 HPA tank, or dual First Strike Guerrilla 13/3000 HPA tanks Amped Airsoft HPA line TechT GunSav grease If you’re interested in learning the specifics of how I transformed this rather ordinary replica into what is perhaps the ultimate airsoft shotgun, buckle up. It’s gonna be a long read.
  2. Afternoon guys. This morning I was very lucky to receive my brand spanking new Tokyo Marui Remington M870 Tactical, from the good folks over at Redwolf UK. This is a text/ video review for now, with a video and preliminary firing test uploading tonight. First impressions. The box is very nice and well presented, with pictures of the shotgun on the front with features in English and Japanese, with a nice glossy finish. Inside, you're immediately struck by the shotgun- securely held in place with straps. The Shotgun comes with one removable gas tank and one 30-round shell, both packaged separately to the gun inside the box. The shotgun itself. The shotgun feels great. It's got a metal body, metal rail and sights, trigger and trigger housing, metal charging arms on the pump, and metal shell tube and barrel. The rest seems to be high quality ABS-type plastic. The pump is light to rack, and sounds GREAT. Trademarks are typical marui- ie, they've got the Tokyo Marui name and logo on it. The gas tank is a bit awkward to access- the rubberised stock pad seems to just 'pull off', rather than any specific knack. When you want to change the tank, you just press a catch inside once you take off the pad, and it releases it fine. Gassing the tank may take a while- Marui claimed you can fire '100 shots' with it, which I'm not 100% sure of so far, but I possibly didn't fill it up enough. The cartridge is well built, holds 30 rounds snugly, and is semi translucent so you can see the outline of the bbs, which is cool. The shell door, always a weak point of the original Marui M3 shotties, seems to be much more secure here. It's not metal, but it feels a lot more solid. How does it shoot? Firing is simple- you rack the pump, select whether you want to fire 3, or 6 shot, and blast away. 3 shot is great. There's some spread, but it's reliable, powerful, and range is decent out the box on green gas. 6 shot is EVIL. The bbs go in a similar spread to the 3 shot, with not much noticable drop in power- it fires 2 from each tri-barrel, so you're getting hit with 2 rounds in 3 places with each pull of the trigger. You can also slam-fire the shotgun; hold the trigger down, and rack the pump. This is going to be brutal in CQB, especially on 6-shot. I can empty an entire 30-round shell in under 3 seconds. Initial conclusions. Initial conclusions are that this shotgun is a BEAST. It feels solid, shoots well, seems powerful and takes green gas fine. It feels great fun to fire, and I think it's the shotgun system we shotgun fans were waiting for. I'll be putting it through its paces this weekend at Operation Orchid Dawn at Tier 1 military simulation, and it should get a thorough workout in that FIBUAR environment at Stanta, so I'll update further after its first big outing. Massive thanks to Gaz and Sam at Redwolf UK for getting to me so quick, and for sorting me the two spare gas tanks. Video version of this review should be up later tonight. If you're on facebook, please like my page, Maple Leaf Tactical. https://www.facebook.com/mapleleaftactical?fref=ts My youtube channel is here. http://www.youtube.com/user/writerdave87 Cheers Dave
  3. Batmause

    PPS shotguns

    Hey there, I made my first video about a range-accuracy test with a PPS XM26 shell ejecting shotgun. I bought this shotgun a half-year ago but it was one of first time when I used it. My experiences was that this shotgun isn't like the cold weather, that is why I didn't use it for a while. I recorded this test on 5-10-15-20 meters distance with 4 different BBs, like 0.12g - 0.20g - 0.25g - 0.30g BBs. The results was that you can hit the target on 5-10 meters all the time if you aimed to the target. On 15 meters I recommend heavier BBs, like 0.23-0.28g BBs because the wind can change the trajectory but in CQB I recommend 0.23g or 0.25g BBs. It is hard to hit the target over 20 meters which is acceptable for a shotgun. If the weather is good (temperature) you can hit the target by aiming above the target. The grouping is really closed thanks for the hidden inner barrel and for the fixed hopup system, there isn't any grouping under 8-11 meters. Basically the XM26 shotgun is a really nice gun. The receiver and the bolt carrier is made from aluminium, the outer parts looks really nice. The stock is a copy of B5 crane stock with really nice surface/finish. I liked the gun except the compensator which was made from plastic, I will replace it with a steel version in the future - it will cost a lot to reproducing but I don't care. Sadly it is hard to use because it doesn't have any shell catcher - unlike the M870 has few solution. The M870 isn't as well built shotgun as an APS CAM870. Lighter and it looks like a toygun - compared to APS. The receiver and all the external parts made from metal, more like aluminium. There is few parts which made from steel - ejecting plates, forend cradle bars, shell carrier, shell ejector, shell catcher, sear. The painting on the receiver isn't homogen but the other parts are really good. At this moment I'm a bit busy but I like if you share your experiences with your PPS shotgun. I will record a video review in the future but at this moment I can not do it.
  4. From the album: BST Works

    This is our BST valve-nest for Tokyo Marui M870. The stock valve-nest isn't seal properly so we redesigned it with a lot nice and nice function. - New sealing design. The valve-nest has much better and bigger contact are which cause better sealing even with HPA. - It has a spring guide for the hammer spring. - Made from copper by hand-working. The size is perfect, we spent a lot energy to reach the best design - this is the third version. The third version tested with HPA, it is run 7 month without any leaking in TM Breacher.

    © GBB Hungary

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