|Old Gun Tech Specific how-to's on fixing and tuning in those old guns|
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|12-13-2013, 09:57 AM||#24 (permalink)|
won't look at the camera
"But if somebody left you out on a ledge, If somebody pushed you over the edge, If somebody loved you and left you for dead,
You got to hold on to your time till you break through these times of trouble"
Temple of the Dog
My Feedback: http://www.mcarterbrown.com/forums/s...3932#post13932
|12-13-2013, 12:18 PM||#26 (permalink)|
Paintball Ballistician :P
Join Date: Mar 2008
I agree, is definitely a parts build however, at least they kept to a single brand name for most of the externals.
The body, Frame, ASA are all 90+ model year Line SI parts. The pump arms, and pump could be from earlier models. It's good that the PITA (barrel retention) and ASA screw look to be original. The forward frame screw (big silver knob) is definitly not Line SI.
Are the pump-bolt screws hex head with "SI" engraved on the ends? Those often get lost and replaced with generics.
The bolt, hammer and springs are definitely not Line SI. Line SI used delrin/stainless bolts and coated hammers that extended into the rear of the bolt (by about 1/4"). Back in those days, bolts were often replaced by folks looking to get more performance. From the factory, Line SI bolts were adjustable. Springs were often replaced for tuning purposes (i.e. with a madman or thunderpig spring kit).
I can't see the powertube well enough but, Line SI powertubes didn't use hexagonal flanges (like a traditional hardware bolt) to unscrew from the cup seal. Line SI power tube flanges have only two flats and, they're engraved with "SI". Those often snapped under heavy use.
The wear on the body (forward and below the "Bushmaster" engraving) looks to be atypical, almost like the screws holding the pump arms were too long, scraping the body.
Original cup seals were brass with a synthetic sealing face vice, the white delrin.
FN303SD Totmacher 13 | SP 'Woodstalker' Ion | 1989 Line SI Bushmaster SI Deluxe
First Strike Round Field Listing | External Ballistics, FSRs and PBs | My Feedback
|01-11-2014, 01:15 AM||#27 (permalink)|
See you in the middle!
Join Date: Oct 2006
Location: Washington State
Newman, the paintball gun as far as I can see from your photo looks like a Bushmaster with the wrong shortened pump which has Line SI markings on the pump arm instead of Pointman SI. You have a standard body, ASA, upper assembly with power tube attached, bolt, spring, hammer, standard length barrel as would be on a standard Bushmaster. I do not truly believe the grip you have on it is the true Pointman SI. My Pointman SI came with a .45 grip frame. The only thing that I cannot truly identify for you is if your bolt (cannot see clearly) has a moveable screw head as suggested by your other MCB members. Some bolts were adjustable, some bolts were not. It makes it more difficult for you to make quick adjustments on the field. The other way was to play with the power tubes of different sizes and different combinations of springs. Aside from that, a nice example of an SI. Worth about $100. Best to you!
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