
It is that it is way too short with a peephole that is too small. The problem with the original polymer sight isn’t that it is polymer. Rear Tactical Sight (Peep or Notch style) – $64.95 Best part? Not having to worry about melting it. Once polished using the available polishing kit, it makes cleaning a breeze and it functions flawlessly. The photo below shows the difference between the original and an unpolished MCARBO feed ramp. While durable, at extreme temperatures during a long-range day I would much rather have a stainless steel feed ramp.

One of the smallest but most important components to upgrade is the original polymer feed ramp. Stainless Steel Feed Ramp Upgrade – $32.95 Parts are compatible with Gen 1 and 2 models through the MCARBO website. I was able to upgrade all components in this list (including the feed ramp polishing) within an hour or so with the tools included in the Pro Performance Trigger Job Bundle. On my own Gen 2 model, I implemented eight upgrades that have literally transformed my Sub 2000 into a like-new weapon that looks and performs to its maximum potential. MCARBO is leading the charge on offering Kel-Tec SUB-2000 fans a wide variety of hardware upgrades to resolve structural, functional, and ergonomic issues with their carbines. Most fans can look past the flaws due to the price and overall reliability, but now they don’t have to settle unless they simply want to. There are still many weak points in the weapon - mostly involving polymer where steel or aluminum would be best. Now in its second iteration, the Gen 2 has noticeable improvements over the Gen 1 models including molded Picatinny rails on the handguard, a new front sight, new receiver, improved stock, and overall better ergonomics. Kel-Tec Sub-2000 9mm Luger 16.The Kel-Tec SUB-2000 is a great pistol caliber carbine that is inexpensive, fun, and reliable.

Kel-Tec Sub-2000 9mm Luger 16.25" Barrel, Black Metal Finish, Stock Polymer Grip Glock Mag Right Hand, 10 Rounds 640832002218 SUB-2000 Kel-Tec, Model Sub 2K Gen 2, 9 Carbine, Semi-automatic Rifle, 9MM, 16.1" Barrel, Green Finish, Black Stock, Adjustable Sights, 17Rd, For Glock OEM 17 Magazine 640832004243
