


Back UL-I Blue DstDYE UL I Barrel Insert System Accuracy DYE versified. The new DYE UL I Barrel Insert System has reset the standard for accuracy and quality. The UL I is THE upgrade for paintball markers and offers unparalleled versatility and performance. The extended 8. 5 control bore utilizes multi stage precision honing and boasts the most accurate and consistent finish available in paintball. The self aligning three piece construction ensures properly centered
Quick Dispatch:
Your Back UL-I Blue Dst orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Back UL-I Blue Dst ships.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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★★★★★ 5
Perfect
Color: Grey, Color: Grey
Fits like a glove. Good quality. Looks great
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Reviewed in the United States on August 27, 2024
★★★★★ 4
Not OEM material, doesn’t slide as easily. Feels like it will last longer.
Color: Grey, Color: Grey
Thought it was going to be the same quality as OEM, might last longer but definitely has a different texture.
Fits well.
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Reviewed in the United States on February 24, 2026
★★★★★ 5
Very happy
Color: Grey, Color: Grey
This is a 3d printed part. It fits great, looks excellent, works fantastic. I bought the grey version.
Work the part in carefully, take your time. The seller’s video in the description is very helpful! Great alternative to dropping $100 on a replacement. Excellent value, fast response and shipping..
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Reviewed in the United States on December 6, 2024
★★★★★ 5
Works for E46 M3
Color: Black
Great customer support, fits like it should, is a nice detail that you’ll notice if yours is broken. Looks like OE. This is my first 3D printed part, I hope it’ll last another 20 years. Has lasted almost a year so far!
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Reviewed in the United States on June 18, 2024
★★★★★ 3
Off - color
Color: Black, Color: Black
Flimsy, pretty obviously 3D printed. It's noticeably blue in color, but no one in the front seats will notice.
This is good as an aesthetic bandage fix, but I'll go back to sourcing an OEM piece.
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Reviewed in the United States on September 3, 2024