Finally pulled the trigger (oof bad pun) on a .25 Matador R5M. Paired with Helix 4-16x44 scope. Never fired anything like this and other than it being a bit loud at my ear absolutely love it! Thanks Brian and Edgun West. Very helpful with purchase and setup.
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New Matador R5M in .25
- Thread starter damageINC
- Start date
@damageINC Congrats on your new acquisition. I really like the R5M platform. If it’s loud to you, you may want to consider swapping out your stock moderator for an Edgun BAT moderator.
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Thanks. It actually has a Bat on it. The action near my ear is where the noise is coming from. The business end is actually pretty silent. Just a chuff sound.
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@damageINC I thought that moderator in your pic looked long, but I have a Lelya so it was hard to tell looking at your standard. You can grow accustomed to the sounds of the action. Mine makes an aluminum bat hitting a softball noise. Doesn’t spook most animals too bad. Crows got used to it quickly though.
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@damageINC ,
Congratulations - very nice air rifle. I own one in yellow and black laminate, back when Edgun West had those stocks available.
When new, mine had a pronounced ping from the action. Not too long ago, I took it apart to replace and or lubricate the regulator O-rings and replace a broken valve. When I did I polished the valve stem, polished the ends of the valve return spring, and put a very light coating of silicone grease on the valve return spring and the ping was gone.
I have mine set up to shoot jsb 25 grain at 890 FPS.
Even though it says it's rated for 300 bar fills, I would limit the fill pressure to around 230 bar to extend the life of the O-rings.
These rifles are extremely well engineered with maintenance in mind. Brian from Edgun West has put up some good videos for how to do it yourself.
I have a post with pictures from my repair that may help you some day in the future:
www.airgunnation.com
Have fun!
Feinwerk
Feinwerk
Congratulations - very nice air rifle. I own one in yellow and black laminate, back when Edgun West had those stocks available.
When new, mine had a pronounced ping from the action. Not too long ago, I took it apart to replace and or lubricate the regulator O-rings and replace a broken valve. When I did I polished the valve stem, polished the ends of the valve return spring, and put a very light coating of silicone grease on the valve return spring and the ping was gone.
I have mine set up to shoot jsb 25 grain at 890 FPS.
Even though it says it's rated for 300 bar fills, I would limit the fill pressure to around 230 bar to extend the life of the O-rings.
These rifles are extremely well engineered with maintenance in mind. Brian from Edgun West has put up some good videos for how to do it yourself.
I have a post with pictures from my repair that may help you some day in the future:
Edgun R5m Fill Pressure, Regulator Creep & Broken Valve Lessons
Hello all, I thought I'd take a moment to share a story of a surprise failure of my 3yr old Edgun R5m in .25 caliber. I originally tuned this gun to shoot JSB 25.4 gr at 875 fps (54 clicks CCW from full CW, for those of you who have worked on Edguns), where it has performed beautifully until the...
www.airgunnation.com Have fun!
Feinwerk
Feinwerk
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I read your post that looks awesome. I assume you were pretty gingerly placing those parts in your drill head. Marring seems like it would affect reliability. Also is using grease inside the valve desirable?@damageINC ,
Congratulations - very nice air rifle. I own one in yellow and black laminate, back when Edgun West had those stocks available.
When new, mine had a pronounced ping from the action. Not too long ago, I took it apart to replace and or lubricate the regulator O-rings and replace a broken valve. When I did I polished the valve stem, polished the ends of the valve return spring, and put a very light coating of silicone grease on the valve return spring and the ping was gone.
I have mine set up to shoot jsb 25 grain at 890 FPS.
Even though it says it's rated for 300 bar fills, I would limit the fill pressure to around 230 bar to extend the life of the O-rings.
These rifles are extremely well engineered with maintenance in mind. Brian from Edgun West has put up some good videos for how to do it yourself.
I have a post with pictures from my repair that may help you some day in the future:
Edgun R5m Fill Pressure, Regulator Creep & Broken Valve Lessons
Hello all, I thought I'd take a moment to share a story of a surprise failure of my 3yr old Edgun R5m in .25 caliber. I originally tuned this gun to shoot JSB 25.4 gr at 875 fps (54 clicks CCW from full CW, for those of you who have worked on Edguns), where it has performed beautifully until the...
Have fun!
Feinwerk
Feinwerk
Your advice about fill pressure tracks with what Brian said. 300 isn't as efficient and puts strain on internal parts.
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Do you all have a good place to purchase orings? I can get replacement kits but if it's one oring in say barrel, breech, or transfer port would rather just buy a bunch of spares.
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Yes I chucked those parts lightly with no problems. Also no problem so far with the light coating of grease on the valve return spring. I had a hunch that it may have been vibrating kind of like the spring in a spring air gun during the shot cycle. The inside edges of each end of the spring had sharp corners where it was ground flat. I gently tapered these using a conical Dremel type Stone at slow speed in my cordless screwdriver. I thought this would help the spring sit on the plastic valve body better without causing stress concentrations. The small aft end of the valve is essentially a guide for the return spring. So far no problems. I did not put any grease on the valve face or valve pin shank.
I purchased a bunch of O-rings from www.theoringstore.com and got great service. Other threads have mentioned www.oringsandmore.com, but I don't have experience with them. I got all the sizes from the schematics which are also available from Edgun West's website.
Here is my order list with application, for Edgun R5M and Leshiy Classic. My plan is to get some divided fishing tackle boxes to organize these with labels for where they go in each rifle, kind of like ready-made kits you can get from places like Captain o-ring.com.
for Edgun R5m (.25 cal) & Leshiy Classic (all calibers), as noted
Quantities are higher than needed because of minimum order quantities from this vendor
QTY x Cross Section Dia. x Inside Dia, material, size notation, total cost, application
15 x 1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring (N1.00X003) = $1.050, for R5m & Leshiy inner valve stem bushing
10 x 1.78mm X 2.57mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.78X002.57 - same as standard #-005) = $0.500, for all fill cap check valve screws
12 x 1.5mm X 5mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X005) = $1.080, for fill probe, regulator piston small end, R5m regulator adjusting screw, Leshiy plugs
12 x 1.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X008) = $1.080, for R5m regulator piston large end
12 x 1.5mm X 9mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X009) = $1.080, for Leshiy regulator piston large end
16 x 1.5mm X 22mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X022) = $2.400, for R5m magazine
20 x 2mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X006) = $1.800, for R5m .25 cal breech (use 4.3x2.4mm for 0.177 cal; 5.3x2.4mm for 0.22 cal)
10 x 2mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X018) = $1.300, for Leshiy regulator face to valve body face
10 x 2mm X 29mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X029) = $2.200, for Leshiy moderator end cap
10 x 2mm X 33mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X033) = $2.400, for R5m moderator end cap
12 x 2.5mm X 5mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X005) = $1.080, for all pressure gages
10 x 2.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X008) = $1.000, for R5m transfer port
10 x 2.5mm X 8.5mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X008.5) = $1.000, for Leshiy breech, all calibers
10 x 2.5mm X 12mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X012) = $1.200, for Leshiy regulator small OD
10 x 3mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X006) = $1.300, not used for R5m or Leshiy
10 x 3mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X018) = $2.500, for Leshiy rear cylinder plug & regulator large OD
12 x 3mm X 25mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X025) = $4.200, for R5m fill block, valve block, & regulator OD
------------------------------------------------------
I purchased a bunch of O-rings from www.theoringstore.com and got great service. Other threads have mentioned www.oringsandmore.com, but I don't have experience with them. I got all the sizes from the schematics which are also available from Edgun West's website.
Here is my order list with application, for Edgun R5M and Leshiy Classic. My plan is to get some divided fishing tackle boxes to organize these with labels for where they go in each rifle, kind of like ready-made kits you can get from places like Captain o-ring.com.
for Edgun R5m (.25 cal) & Leshiy Classic (all calibers), as noted
Quantities are higher than needed because of minimum order quantities from this vendor
QTY x Cross Section Dia. x Inside Dia, material, size notation, total cost, application
15 x 1mm CS X 3mm ID (NBR) Buna-N 70 Duro Metric O-Ring (N1.00X003) = $1.050, for R5m & Leshiy inner valve stem bushing
10 x 1.78mm X 2.57mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.78X002.57 - same as standard #-005) = $0.500, for all fill cap check valve screws
12 x 1.5mm X 5mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X005) = $1.080, for fill probe, regulator piston small end, R5m regulator adjusting screw, Leshiy plugs
12 x 1.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X008) = $1.080, for R5m regulator piston large end
12 x 1.5mm X 9mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X009) = $1.080, for Leshiy regulator piston large end
16 x 1.5mm X 22mm (NBR) Buna-N 70 Duro Metric O-Ring (N1.50X022) = $2.400, for R5m magazine
20 x 2mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X006) = $1.800, for R5m .25 cal breech (use 4.3x2.4mm for 0.177 cal; 5.3x2.4mm for 0.22 cal)
10 x 2mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X018) = $1.300, for Leshiy regulator face to valve body face
10 x 2mm X 29mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X029) = $2.200, for Leshiy moderator end cap
10 x 2mm X 33mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.00X033) = $2.400, for R5m moderator end cap
12 x 2.5mm X 5mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X005) = $1.080, for all pressure gages
10 x 2.5mm X 8mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X008) = $1.000, for R5m transfer port
10 x 2.5mm X 8.5mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X008.5) = $1.000, for Leshiy breech, all calibers
10 x 2.5mm X 12mm (NBR) Buna-N 70 Duro Metric O-Ring (N2.50X012) = $1.200, for Leshiy regulator small OD
10 x 3mm X 6mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X006) = $1.300, not used for R5m or Leshiy
10 x 3mm X 18mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X018) = $2.500, for Leshiy rear cylinder plug & regulator large OD
12 x 3mm X 25mm (NBR) Buna-N 70 Duro Metric O-Ring (N3.00X025) = $4.200, for R5m fill block, valve block, & regulator OD
------------------------------------------------------
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You sir, are a scholar and a gentleman. Thanks so much for that info! I'm still a little afraid of taking anything apart even though Brian showed me some of it. I don't want to be "that guy" who managed to break a relatively unbreakable gun. At least not yet. Will a Duro rating higher than 70 be better or is there a tradeoff between durability and quality of seal? Thanks so much again!
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A durometer value of 70 works just fine. Some people like to use 90 for the breech seals. My factory breech seal has been holding up just fine as is. I lube my pellets with a combination of ballistol and Krytech bicycle chain wax Lube, so that reduces wear on the breech seal and the magazine O-rings.
One really cool feature of the r5m is that the bolt block slides completely off to the rear after removing one retaining screw, giving you full access to the bore for initial polishing and subsequent patch pulling / cleaning. Take care not to lose the O-ring between the bolt block and the breech when you do this. This was the only problem area I had on my r5m; the brass bushing on the breech had been dinged somewhere before the rifle made it to me, causing so much interference friction with the mating counterbore in the bolt block that I had to use a dowel and a hammer to tap the bolt block off the first time. I had to carefully file off the ding of the brass bushing with some jeweler's needle files and then it was okay. After that, gentle finger pressure was all that was required to remove the bolt block for maintenance.
One really cool feature of the r5m is that the bolt block slides completely off to the rear after removing one retaining screw, giving you full access to the bore for initial polishing and subsequent patch pulling / cleaning. Take care not to lose the O-ring between the bolt block and the breech when you do this. This was the only problem area I had on my r5m; the brass bushing on the breech had been dinged somewhere before the rifle made it to me, causing so much interference friction with the mating counterbore in the bolt block that I had to use a dowel and a hammer to tap the bolt block off the first time. I had to carefully file off the ding of the brass bushing with some jeweler's needle files and then it was okay. After that, gentle finger pressure was all that was required to remove the bolt block for maintenance.
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Haha! Thanks. Your's was the one that you did the tut on putting picatinny on it, right? I'm a little ocd and nervous but I want a rail on mine, too. That's even the bipod I want minus the extensions. Great work!
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It came with it. Bought the gun from Edgun West. Dunno if he sells the cheekpieces alone, but if not I think Edgun shop does.
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