Description
OEM performance and price.
Sometimes, it’s best to stick with factory-spec components — like this DLC-coated, G21-compatible barrel — to guarantee reliable cycling and good accuracy with any .45 ACP load.
Barrel Compatibility
This barrel fits all Gen 1 to Gen 4 GLOCK® 21 pistols.
Barrel Features
- Size: .45 ACP
- Barrel Length: 4.5″
- Twist Rate: 1:16
- Material: 4150 Gun Steel
- Finish: Black Diamond-Like Carbon (DLC)
Installing Your Barrel
Need help with installing your barrel? Here’s How to Assemble Your Slide (Instructions).
DISCLAIMER: “GLOCK” is a federally registered trademark of GLOCK, Inc. and is one of many trademarks owned by GLOCK, Inc. and GLOCK Ges.m.b.H. Neither 80 Percent Lowers, a/k/a 80-lower.com nor this site are affiliated in any manner with, or otherwise endorsed by, GLOCK, Inc. or GLOCK Ges.m.b.H. The use of “GLOCK” on this page is merely to advertise the sale of GLOCK pistols, parts, or components. For additional genuine GLOCK, Inc. and GLOCK Ges.m.b.H products and parts visit www.glock.com.
WARNING: Handling firearms parts and accessories can expose you to lead and other petroleum products known to the State of California to cause cancer and reproductive harm. For more information go to: www.P65Warnings.ca.gov
Shipping of various parts and/or accessories are prohibited to states and locales (ie New Jersey, California, New York, etc…) with restrictions against certain parts and/or accessories or “assault weapons” (i.e. states with high-capacity magazine restrictions, manufacturing of semi-automatic weapons, etc..). It is your responsibility to be aware of your local firearms laws before purchasing from our website or machining a firearm. We try our best to keep our shipping page current, but laws change daily.
80-Lower.com only ships within the United States. Federal legislation dictates we cannot ship our products internationally.
- Model:
- G21
- Size:
- Full
- Barrel Finish:
- Nitride
