Convert your Gen-2 KRISS Vector CRB into a factory-spec Gen-3 — performance, ergonomics, and modern styling, without buying a new rifle.
Send your Vector to our facility and our certified KRISS gunsmiths will complete a factory Gen-3 conversion using factory parts and assembly. The result is a Vector that looks, handles, and performs like a stock Gen-3 CRB.
Factory Conversion Service – Vector CRB Gen 2 to Gen 3
Why upgrade?
- Save money — upgrade to full Gen-3 features while keeping your serialized Vector.
- Genuine factory parts — installed by certified KRISS gunsmiths for perfect fit, finish, and lasting value.
- Extended coverage — backed by a factory 1-year warranty for total peace of mind.
- Inspected and refreshed — all moving parts checked, with worn springs replaced to restore reliable, factory-spec operation.
- Enhanced ergonomics — modern grip, crisp skeletonized trigger, and ambidextrous controls for improved handling.
Service includes:
- Full inspection & disassembly — complete teardown and inspection of your Gen-2 Vector CRB.
- G3 components (installed):
- G3 upper & lower housing with updated levers
- G3 interchangeable AR-15 / M16 pistol grip
- G3 skeletonized trigger (0.7 mm pre-travel)
- G3 bolt release & mounting block
- G3 ambidextrous magazine release
- G3 M4 stock adaptor (installed; removed if G3 folding stock option selected)
- G3 handguard — M-LOK style (installed; removed if a threaded barrel is selected)
- Factory reassembly, testing & QA — full function checks and final quality inspection prior to return.
- Round-trip shipping included — shipment from you to our factory and return delivery back to you are covered in the service price.
- Factory warranty extension — adds 1 year of factory-backed warranty from the date of conversion.
Optional Add-ons
- 16" Threaded Barrel + G3 M-LOK Shroud — accessory & suppressor-ready. Barrel threading:
- 9x19: 1/2 x 28 RH
- 45ACP: .578x28 RH
- 10MM: 9/16x24 RH
- G3 Folding Stock (Ambidextrous) — folds for compact transport
Important — Pricing & Promotions
All promotions, discounts, and coupon codes are explicitly excluded from conversion services. Promotional offers do not apply to Gen-3 conversions and cannot be combined with this service.
Service Eligibility & Terms
- This service applies only to Gen-2 Vector CRB models with 16" barrels.
- The original 16" barrel remains and is not replaced or upgraded unless you purchase the optional 16" threaded-barrel upgrade.
- Not a DIY kit — the firearm must be shipped to KRISS USA for conversion by our certified gunsmiths.
- Lead time: Please allow approx. 2–3 weeks for conversion and processing from our receipt of the firearm (subject to parts availability).
- Compliance: All transfers and returns will be handled in full compliance with federal and state firearm laws.
- The converted firearm will be returned to the original return address on file or to the FFL of your choice
- Color availability: Conversions are currently offered in Black only; additional color options roll out in Q1 2026.
- Once order is placed, our customer service team will follow up to organize the transfer of your firearm.
- Parts Return: We can send your original parts back if you request it. If any part is broken, unsafe, or destroyed during the conversion, we won’t return it and will dispose of it properly. Any returned parts are provided “as-is” with no warranty. You can also choose to opt out of receiving any original parts when placing your order.
Have questions or need shipping instructions? Contact our Customer Service Team at support@kriss-usa.com