My .22 cal Benjamin Marauder has really poor accuracy

[Phil.Probe]

I bought this rifle back in 15' and have struggled to get any decent accuracy out of it. It shoots 2.5-3.5" groups at 35 yards outdoors. At one point I was getting clover leafs at 12 yards indoors, but as soon as I extend the distance to 35 yards outside, the pellets go all over the place.

I read something the other day about crossman barrels being trash back when I bought mine, and that they are now producing their barrels in house.

New Barrel for an Old Marauder - Airguns & Guns Forum

New Barrel for an Old Marauder, Air guns, Airgun Forum

www.gatewaytoairguns.org

I've tried tons of different pellets and tired cleaning the barrel. Tried restoring the factory settings and bought a chrono. Nothing works.

Am I right to suspect the barrel is the issue? Anyone know where to get a replacement barrel and how much does crossman charge?

 

[iAMzehTOASTY1]

Airgun barrels

www.lothar-walther.com

 

[wendell]

I had the same problem with my Marauder back then too. I replaced the barrel with a Maramont Barrell and now it's a tack driver. I still have the old barrel though. Crosman should have better Barrells now.

 

[Headshots]

I bought this rifle back in 15' and have struggled to get any decent accuracy out of it. It shoots 2.5-3.5" groups at 35 yards outdoors. At one point I was getting clover leafs at 12 yards indoors, but as soon as I extend the distance to 35 yards outside, the pellets go all over the place.

I read something the other day about crossman barrels being trash back when I bought mine, and that they are now producing their barrels in house.

New Barrel for an Old Marauder - Airguns & Guns Forum

New Barrel for an Old Marauder, Air guns, Airgun Forum

www.gatewaytoairguns.org

I've tried tons of different pellets and tired cleaning the barrel. Tried restoring the factory settings and bought a chrono. Nothing works.

Am I right to suspect the barrel is the issue? Anyone know where to get a replacement barrel and how much does crossman charge?

It sounds like the one I sold . Really poor groups at 30+ yards. But the weight does give you a workout. So not all bad.

 

[Airgun-Revisions]

New Barrel for an Old Marauder - Airguns & Guns Forum

New Barrel for an Old Marauder, Air guns, Airgun Forum

www.gatewaytoairguns.org

I've tried tons of different pellets and tired cleaning the barrel. Tried restoring the factory settings and bought a chrono. Nothing works.

Am I right to suspect the barrel is the issue? Anyone know where to get a replacement barrel and how much does crossman charge?

Our .22 PCP barrels have been redesigned since then. About 5 years now I think. The new ones will drop in.

 

[Phil.Probe]

Thanks guys. A Lothar (or other after market) barrel would be nice, but is worth it over and above the cost of a new crossman barrel? I'd be happy with 1/2 inch groups at 50 yards, and would prefer to keep the costs down as I just bought a scope and PCP pistol this week. The wife is already mad at me lol.

 

[Phil.Probe]

It sounds like the one I sold . Really poor groups at 30+ yards. But the weight does give you a workout. So not all bad.

Lol! I went through two PCP hand pumps trying to figure out WTH was going on with that rifle. Talk about a workout!

 

[joelayfield]

try some of the larger head sizes h&n brand makes larger head sizes 5.53 5.54 may tighten up the groups,

 

[Phil.Probe]

try some of the larger head sizes h&n brand makes larger head sizes 5.53 5.54 may tighten up the groups,

Thanks, I will keep that in mind next time I order some pellets.

 

[Phil.Probe]

I called Crossman customer support today and the guy said it was probably something simple, and that I didn't need a new barrel. We went through a few things.

(1) Breach Oring (intact or damaged/absent)
(2) Barrel band touching the shroud
(3) Shroud being too tight
(4) Lubing the breach 0-ring

The only thing wrong with mine was the shroud was a little tight. It's supposed to be just tightened a little bit.

After adjusting the shroud, I tested it and sure enough, it was a bad as ever. 50 yard groups were about 6-7". Strangely enough though, the pellets did seem to shoot in two groups within the larger group.

The guy from Crossman was very helpful, and gave me his extention, so I will follow up with him tomorrow. To be continued.....

 

[Phil.Probe]

FWIW the crossman guy also said they never outsourced their barrels (other than the .25cal green mtn) and the only problem they ever had with their barrels was back in 08 or 09'.