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Island Barrel Port Conversion

Regular price $1,500.00 USD
Regular price Sale price $1,500.00 USD
Sale Sold out

This is a SERVICE not a product.

Island Port Conversion includes:

  • Welding closed original sight dovetail
  • Flattop widening to 0.400
  • Machining slide to accept island barrel
  • Custom fit barrel to frame and slide lockup
  • Barrel
  • Barrel link and pin
  • Flush cut and reverse crown muzzle
  • Sight dovetail milling in Barrel
  • Solid front sight
  • Porting in Barrel
  • Recoil adjustment
  • Cerakote complete slide single color

Eligible island port conversion

3.9" 4"

4.1" 4.25" 4.4" All variations 

Sti Full size 5" 9mm 38 super .40sw 45 acp 10mm


Slides with existing lightening cuts 

Comp block guns,

Sight block guns

ALL non - 1911/2011 guns

When sending in please send to:

Dave Simcik

270 W 21st street

Holland, Michigan 49423

Shipping & Returns

If you order a product from DSC, we will stand by our product and correct/fix an issue if it may arise.

Please note that we do accept returns if the product is not used.

Return shipping may be asked for or necessary for projects that require sending in completes rather than parts - this is to insure proper insurance in the return shipping process.

    DSC Drop In Barrels

    Our Drop-In Barrels are custom made and fitted based off of our shop models

    Shop Drop-In

    DSC Comp Barrel Kit Reviews


    Rating: 5/5 stars

    my set screw was not loctite after shooting 200 hundred rounds i fixed that problem so far so good! great product very tight groups very impressed with comp i like! thanks dave

    Item: DSC Comp Barrel Kit P - Stainless


    Rating: 5/5 stars

    Easy ordering, quick lead time (about 7 days at the time of this writing). Fits great into a C2, cycles great, very accurate, very aesthetically pleasing. 5/5 would recommend.

    Item: DSC Comp Barrel Kit C/C2 - Stainless


    Rating: 5/5 stars

    I saw a review on the 1911 Forum and while I don’t normally react to one positive review. But after visiting Daves website I took the plunge. Everything thing was delivered really fast. The barrel and two springs . The fit is perfect and the spring tunes perfectly. Been shooting Federal 115,124 & 147 no problems. The comp really doesn’t disappoint. Buy ONE !!!

    Item: DSC Comp Barrel Kit P - Black


    Rating: 5/5 stars

    Just when I thought the staccato P couldn't shoot any better, DSC proved me wrong. The comp and barrel combo fits in with no problem, and shoots super flat. Outstanding product.

    Item: DSC Comp Barrel Kit P - Stainless


    Rating: 4/5 stars

    The comp barrel dropped into my STI DVC C as advertised and it shoots. I have had slightly tighter groups then my factory barrel. The comp is noticeably effective. The 7 lbs spring, in my case, is a little light to get reliable loading as the barrel is new but the factory spring is a great alternative. My only critique is the taper towards the end of the barrel is could have more of a finished texture. The tooling marks are noticeable, which I wouldn’t mind if it didn’t contact the slide. A smooth finish would make me feel better about continued accuracy. Overall very solid product and I would not hesitate to buy it again or recommend it.

    Item: DSC Comp Barrel Kit C/C2 - Black


    Rating: 5/5 stars

    Barrel and comp combo fit perfectly, out of the box. The comp makes training ammo feel like powder puff loads. My duty ammo is still spicy, but feels flatter compared to shooting without the comp. My only complaint is that the black color treatment is wearing through to the stainless in some sections. Otherwise that has not affected function!

    Item: DSC Comp Barrel Kit P - Black

    DSC 38 Super Comp Barrel Kit Tutorial