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 Post subject: Re: Crosman 1377 Project
PostPosted: Fri Apr 22, 2016 10:37 am 
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Joined: Wed Apr 06, 2016 8:43 am
Posts: 14
Location: Calgary, AB
walther wrote:
Here's my example of how far you can go modding the 13xx pumpers..


Oh my! She's real perty! :D

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Crosman 1377 & Benjamin Trail NP XL1500


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 Post subject: Re: Crosman 1377 Project
PostPosted: Fri Apr 22, 2016 10:47 am 
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Posts: 14
Location: Calgary, AB
Arden wrote:
Knukem,
I'm no lawyer and I know you're planning to keep it Canada-legal (sigh...), but bear in mind that, because 1377 are sold as "pistols", IF you exceed the 500fps and 4.2ftlbs limits, you will then be in possession of a genuine "restricted" firearm. Unless you have an RPAL, that is. And even then the gov't would love to give you grief. It's all very silly, but even if you put a 40" barrel on it, the authorities will designate it a pistol because of the stamp on the tube. 'least that's my understanding. These are government bureaucrats after all...
But enough a dat guff! I wait with bated breath your detailed progress reports.
Goodluck!
(ps- i strongly recommend buying a 2289 with 14" barrel as aback up & doing chrony tests with 14.3gr pellets & posting the results.)
(pps- yes, i have a stock 2289 and am too cheap to buy a chrony but i want benchmarks!)


Thanx Arden, Yes I have my RPAL, but I wanted to keep the project legal so I could post for all. I have no intention (at this time) of creating a tripod mounted multi-barrel, multi piston, 40" urban assault uber-canon. :wink:

Also, it's my first time doing an airgun project so I'm trying to keep things simple and a hobby for now... :D

And I'll look into the 2289...

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Crosman 1377 & Benjamin Trail NP XL1500


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 Post subject: Re: Crosman 1377 Project
PostPosted: Fri Apr 22, 2016 11:05 am 
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Posts: 14
Location: Calgary, AB
So here's the numbers off the box:

Crosman Model 7-1377 Variable-Pump Air Pistol .177 Caliber upto 495 feet per second
Mechanism : Bolt Action
Power Source : Pneumatic Pump
Weight : 2.00 lbs
Length 13.6 inches
Barrel : Rifled Steel
Front Sight : Fixed
Rear Sight : Adjustable - Peep or Notch
Safety : Crossbolt

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Crosman 1377 & Benjamin Trail NP XL1500


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 Post subject: Re: Crosman 1377 Project
PostPosted: Sun Apr 24, 2016 2:59 pm 
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Posts: 14
Location: Calgary, AB
I'm going to start some testing and trials with my .177 Crosman 7-1377 and my Benjamin Trail NP XL1500 with the following:

Crosman Domed 7.9gr
Crosman Hollow Point 7.9gr
H&N Field Target Trophy 8.64gr
H&N Crow Magnum 9.26gr
H&N Baracuda 10.20gr
H&N Baracuda Hunter Extreme 9.57gr
H&N Field Target 8.49gr
JSB Exact Monster Diablo 13.43gr
JSB Exact Heavy Diablo 10.34gr
JSB Exact Diablo 8.44gr
Predator Polymag 8gr
RWS HyperMax 5.2gr
RWS Superpoint Extra 8.2gr
RWS Superdome 8.3gr
RWS Hyper Velocity (Lead Free, Orange Plastic Sabot, 5.2gr)

There are many, many... many different available ammunitions, and I can't try them all, but this is a serious start at evaluations based upon some of your feedback from the General Discussion forum.

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Crosman 1377 & Benjamin Trail NP XL1500


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 Post subject: Re: Crosman 1377 Project
PostPosted: Fri Apr 29, 2016 11:19 pm 
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Joined: Fri Nov 02, 2012 8:41 pm
Posts: 1253
Location: Brant County
"I have no intention (at this time) of creating a tripod mounted multi-barrel, multi piston, 40" urban assault uber-canon. :wink: "


A rsterne project challenge if I ever seen one :twisted: lol

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 Post subject: Re: Crosman 1377 Project
PostPosted: Thu May 12, 2016 2:38 pm 
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Joined: Thu Apr 07, 2016 12:36 pm
Posts: 2
Hey N1knukem, did you test your 1377 right out of the box? I picked up a chrony and played around with it and only got around 350-360fps with 10 pumps, but that was after i took it apart a few times. Was wondering what you got for yours.

I got mine up to 440-450fps with 6 pumps now... how's your project coming?


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