All Internal Upgrades SUB-2000

KEL-TEC SUB-2000 All In One Pro Performance Trigger Job Bundle Unlock the full potential of your SUB-2000 with M*CARBO's ultimate Pro Performance Trigger Job Bundle! Expertly curated and packaged,...

KEL-TEC SUB-2000 All In One Pro Performance Trigger Job Bundle Unlock the full potential of your SUB-2000 with M*CARBO's ultimate Pro Performance Trigger Job Bundle! Expertly curated and packaged, this bundle is tailored to give you maximum performance gains you won't experience from other SUB-2000 Gen 2 or Gen 1 accessories. The Complete Package includes all Internal SUB-2000 upgrades in one bundle, along with tools to complete your project seamlessly. KEL-TEC SUB-2000 Stainless Steel Feed...

KEL-TEC SUB-2000 Aluminum Trigger & Trigger Guard Upgrade - Precision Match Set Choice: Select either the KEL-TEC SUB-2000 Curved OR Flat Trigger, both CNC Machined from 6061 Aluminum. This set...

KEL-TEC SUB-2000 Aluminum Trigger & Trigger Guard Upgrade - Precision Match Set Choice: Select either the KEL-TEC SUB-2000 Curved OR Flat Trigger, both CNC Machined from 6061 Aluminum. This set includes the SUB-2000 Aluminum Trigger & Aluminum Trigger Guard Upgrade, without the need for extra hardware. This set offers tighter machining tolerances, providing a clear improvement over the factory’s plastic parts known to wear and exhibit significant play/wobble over time. Put a real Aluminum...

KEL-TEC SUB-2000 Gen 3 Aluminum Flat Trigger & Trigger Guard Upgrade - Precision Match Set Configuration: Includes the KEL-TEC SUB-2000 Gen 3 Flat Trigger, CNC Machined from 6061 Aluminum. This set...

KEL-TEC SUB-2000 Gen 3 Aluminum Flat Trigger & Trigger Guard Upgrade - Precision Match Set Configuration: Includes the KEL-TEC SUB-2000 Gen 3 Flat Trigger, CNC Machined from 6061 Aluminum. This set includes the SUB-2000 Gen 3 Aluminum Flat Trigger & Aluminum Trigger Guard Upgrade, designed specifically for the Gen 3 platform and requiring no additional hardware. This matched set offers tighter machining tolerances, providing a clear improvement over the factory’s plastic components known to...

KEL-TEC SUB-2000 Trigger Spring Kit Enhance your shooting experience with the KEL-TEC SUB-2000 Trigger Spring Kit. This kit is designed to reduce your trigger pull weight from the factory ~9-10lbs....

KEL-TEC SUB-2000 Trigger Spring Kit Enhance your shooting experience with the KEL-TEC SUB-2000 Trigger Spring Kit. This kit is designed to reduce your trigger pull weight from the factory ~9-10lbs. to a crisp ~4.75lbs, providing a significant improvement in performance. With a nearly ~50% trigger pull reduction, you can expect a smoother and more responsive trigger. The KEL-TEC SUB-2000 Trigger Adjustment Solution offered by M*CARBO has received rave reviews and is considered one of the top...

KEL-TEC SUB-2000 Stainless Steel Feed Ramp Enhance the reliability and performance of your KEL-TEC SUB-2000 with this stainless steel feed ramp upgrade. Precision CNC-machined from 416 stainless...

KEL-TEC SUB-2000 Stainless Steel Feed Ramp Enhance the reliability and performance of your KEL-TEC SUB-2000 with this stainless steel feed ramp upgrade. Precision CNC-machined from 416 stainless steel, this replacement feed ramp corrects common feeding malfunctions caused by the factory plastic part. The improved geometry of this ramp ensures smoother, more consistent chambering of each round while delivering long-lasting durability. The stock plastic feed ramp is prone to premature wear,...

KEL-TEC SUB-2000 Stainless Steel Hammer Bushing The KEL-TEC SUB-2000 Precision Hammer Bushing, crafted from 303 Stainless Steel, is designed to replace the factory plastic bushing — a part known to...

KEL-TEC SUB-2000 Stainless Steel Hammer Bushing The KEL-TEC SUB-2000 Precision Hammer Bushing, crafted from 303 Stainless Steel, is designed to replace the factory plastic bushing — a part known to wear, chip, and shift on the pin. This stainless steel upgrade provides a fixed, proper stand-off height, eliminating malfunctions caused by movement or misalignment. Unlike the plastic factory part that can shift and cause alignment issues between the Hammer, Sear, and Trigger Bar, this stainless...

KEL-TEC SUB-2000 Recoil Buffer Experience a significant reduction in recoil force with the KEL-TEC SUB-2000 Recoil Buffer, decreasing overall felt recoil by approximately 30%. Made from a...

KEL-TEC SUB-2000 Recoil Buffer Experience a significant reduction in recoil force with the KEL-TEC SUB-2000 Recoil Buffer, decreasing overall felt recoil by approximately 30%. Made from a proprietary urethane rubber blend, this recoil buffer is designed for strength, durability, and abrasion resistance, tailored specifically for the Gen 2 SUB-2000. Skillfully molded to precise dimensions, the recoil buffer fits snugly over the SUB-2000 recoil spring. Its placement, within the bolt tube...

KEL-TEC SUB-2000 Performance Trigger Bar Introducing the KEL-TEC SUB-2000 Performance Trigger Bar, a game-changer in firearm precision. Its design is intentionally shorter than the factory version,...

KEL-TEC SUB-2000 Performance Trigger Bar Introducing the KEL-TEC SUB-2000 Performance Trigger Bar, a game-changer in firearm precision. Its design is intentionally shorter than the factory version, minimizing the distance the bar needs to travel to engage the sear. This translates into a significantly quicker and crisper sear engagement, enhancing the shooter's experience. This innovation is a first for the KEL-TEC SUB-2000. To achieve a comprehensive KEL-TEC SUB-2000 Trigger Job, this...

KEL-TEC SUB-2000 Armorer's Wrench The KEL-TEC SUB-2000 Armorer's Wrench is a versatile tool, offering four distinct functionalities. It's expertly crafted to provide tools for both Gen 2 and Gen 1...

KEL-TEC SUB-2000 Armorer's Wrench The KEL-TEC SUB-2000 Armorer's Wrench is a versatile tool, offering four distinct functionalities. It's expertly crafted to provide tools for both Gen 2 and Gen 1 Collar Removal, .40cal and 9mm Thread Protector Removal, and a Cross Bolt Safety E-Clip Removal feature. Designed for fast damage-free collar removal, this wrench is made of durable carbon steel with a sleek black chrome finish. Specially designed to support the installation of KEL TEC SUB 2000...

KEL-TEC SUB-2000 Glock Extended Magazine Release The KEL-TEC SUB-2000 Extended Magazine Release is compatible with Gen 1 Gen 2 & Gen 3 SUB-2000 configurations using Glock magazines, enhancing...

KEL-TEC SUB-2000 Glock Extended Magazine Release The KEL-TEC SUB-2000 Extended Magazine Release is compatible with Gen 1 Gen 2 & Gen 3 SUB-2000 configurations using Glock magazines, enhancing your mag change efficiency. Please note: It won't function with the Massachusetts preban, and is not compatible with Glock 1-2 magazines. Constructed from Delrin Acetal, the extended mag release boasts superior tensile and impact strength. This choice of material ensures minimal wear on your Glock...

KEL-TEC SUB-2000 Multi-Mag Extended Magazine Release Introducing the KEL-TEC SUB-2000 Extended Magazine Release designed specifically for the Multi-Mag version. This upgrade enhances the efficiency...

KEL-TEC SUB-2000 Multi-Mag Extended Magazine Release Introducing the KEL-TEC SUB-2000 Extended Magazine Release designed specifically for the Multi-Mag version. This upgrade enhances the efficiency of magazine changes across all magazine configurations available for the Multi-Mag SUB-2000. Note: The package DOES NOT INCLUDE the MAG CATCH PLATE. You'll need to use the one that accompanied your SUB-2000. KEL-TEC SUB-2000 Multi-Mag Options Explained Here's an updated list of compatible Steel Mag...

KEL-TEC SUB-2000 Integrated Tool-Less Locking Pin The MCARBO Mod 2 Locking Pin is a necessary component for the SUB-2000 Charging Handles. This redesigned pin seamlessly integrates with the factory...

KEL-TEC SUB-2000 Integrated Tool-Less Locking Pin The MCARBO Mod 2 Locking Pin is a necessary component for the SUB-2000 Charging Handles. This redesigned pin seamlessly integrates with the factory SUB-2000 Recoil Spring, facilitating a swifter field stripping process without the need for any additional tools. Once the recoil spring is inserted with the integrated locking pin, it directly aligns with the MCARBO SUB2K Charging Handle of your selection. This Mod 2 Locking Pin is included with...

KEL-TEC SUB-2000 Carbon Steel Grip Pins & Screws Upgrade Bundle Enhance the durability and performance of your KEL-TEC SUB-2000 with this Carbon Steel Upgrade Bundle. Designed to directly replace...

KEL-TEC SUB-2000 Carbon Steel Grip Pins & Screws Upgrade Bundle Enhance the durability and performance of your KEL-TEC SUB-2000 with this Carbon Steel Upgrade Bundle. Designed to directly replace the factory alloy screws and aluminum grip pins, this kit offers a notable upgrade in terms of strength and resistance to wear. Suitable for both Gen 1 and Gen 2 models of the SUB-2000, these components are pivotal for reinforcing the polymer trigger grips. The upgraded carbon steel screws in this...

KEL-TEC SUB-2000 Gen 3 Grip Pin Upgrade Kit Replace your factory aluminum grip pins with M*CARBO's carbon steel upgrade – designed exclusively for the Gen 3 SUB-2000. Built for strength and...

KEL-TEC SUB-2000 Gen 3 Grip Pin Upgrade Kit Replace your factory aluminum grip pins with M*CARBO's carbon steel upgrade – designed exclusively for the Gen 3 SUB-2000. Built for strength and precision. It’s carbon steel on carbon steel – exactly how it should be. Enhance the structural integrity of your Gen 3 SUB-2000 polymer grips. If you've ever experienced screws backing out of soft aluminum pins, this upgrade provides the long-term solution. The kit includes 2 long pins and 3 short pins to...

KEL-TEC SUB-2000 GEN3 5.7 Grip Pin Upgrade Kit Upgrade your factory pins with M*CARBO's reinforced steel replacement – engineered for strength, precision, and long-term reliability. This kit ensures...

KEL-TEC SUB-2000 GEN3 5.7 Grip Pin Upgrade Kit Upgrade your factory pins with M*CARBO's reinforced steel replacement – engineered for strength, precision, and long-term reliability. This kit ensures your SUB-2000 GEN3 5.7 has the durability it deserves. Enhance the structural integrity of your SUB-2000 GEN3 5.7’s polymer grips. If you’ve ever experienced soft pins backing out or wearing down, this upgrade solves the problem. The kit includes 2 long grip pins (1.081") and 1 short grip pin...

KEL-TEC SUB-2000 Grip Pin Upgrade Kit Replace your factory aluminum grip pins with M*CARBO's carbon steel upgrade – designed for strength, precision, and a perfect match with our Carbon Steel Screw...

KEL-TEC SUB-2000 Grip Pin Upgrade Kit Replace your factory aluminum grip pins with M*CARBO's carbon steel upgrade – designed for strength, precision, and a perfect match with our Carbon Steel Screw Upgrade Kit. It’s carbon steel on carbon steel – the way it should be. Improve the structural integrity of your SUB-2000’s polymer grips. If you've ever struggled with screws backing out of soft aluminum pins, this upgrade solves the problem. The kit includes 3 long pins and 2 short pins to fully...

KEL-TEC SUB-2000 Carbon Steel Screw Upgrade Kit Upgrade your KEL-TEC SUB-2000 by replacing its stock trigger assembly alloy screws with our high-quality Carbon Steel Screw Kit. Our screws are a...

KEL-TEC SUB-2000 Carbon Steel Screw Upgrade Kit Upgrade your KEL-TEC SUB-2000 by replacing its stock trigger assembly alloy screws with our high-quality Carbon Steel Screw Kit. Our screws are a higher grade and come with a black oxide coating for enhanced corrosion resistance and protection against galling or thread stripping. This Screw Upgrade Kit is designed to seamlessly replace the factory lower-grade alloy screws. It's ideally suited for Gen 2 models of the SUB-2000. For Gen 1 models,...

KEL-TEC SUB-2000 Full Installation Service SUB-2000 Full Installation Service is a Flat Rate that will cover the installation of all M*CARBO SUB-2000 Parts installed at one time. We will not install...

KEL-TEC SUB-2000 Full Installation Service SUB-2000 Full Installation Service is a Flat Rate that will cover the installation of all M*CARBO SUB-2000 Parts installed at one time. We will not install any other parts but our own. No exceptions.THIS IS THE SERVICE FEE ONLY. Parts you want installed must be purchased in addition to this Service Fee from our website.Payment MUST be received up front before any custom installation work can be done. *This includes walk-in customers.Firearm MUST...