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Glock 42 OEM & Aftermarket Barrels from Lone Wolf Arms, Zaffiri Precision & Other Top Brands — 156 products / 520 models

Find amazing deals on OEM and aftermarket Glock 42 barrels to upgrade your G42 handgun. Our selection of pistol barrels includes Glock 42 threaded barrels that allow you to easily equip suppressors, compensators, and other muzzle devices to mitigate recoil. We carry fluted 380 ACP barrels for reduced weight and improved heat dissipation and match-grade Glock 42 barrels for competition or duty use. Make sure to stock up on plenty of 380 ACP ammo and other Glock 42 accessories like pistol slides, holsters, weapon lights, and laser sights to complete your setup.image

Shop online with us today for amazing deals on Glock 42 barrels and other essential gun gear from the best brands. Learn more about pistol barrels and how to upgrade your Glock with our library of How-to Guides. Gear up today to get Free Shipping on most orders over $49.

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Image of Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel Lone Wolf Arms AlphaWolf Glock 27/33 9mm Conversion Barrel (22) List: $134.95 (Save 11%) $119.95 Best Rated
Image of True Precision Glock 43 Threaded Barrel, 1/2x28 7 models True Precision Glock 43 Threaded Barrel, 1/2x28 (39) As Low As (Save Up to $10.00) $170.99 Free 2 Day Shipping
Image of Lone Wolf Arms AlphaWolf M/30 45ACP Barrel 2 models Lone Wolf Arms AlphaWolf M/30 45ACP Barrel (11) As Low As (Save Up to 11%) $119.95
Image of True Precision Glock 19 Threaded Barrel, 1/2x28 7 models True Precision Glock 19 Threaded Barrel, 1/2x28 (31) As Low As (Save Up to $10.00) $170.99 13% Coupon
Image of Lone Wolf Arms AlphaWolf Glock 20 Threaded Pistol Barrel Lone Wolf Arms AlphaWolf Glock 20 Threaded Pistol Barrel (19) List: $149.95 (Save 10%) $134.95
Image of Lone Wolf Arms AlphaWolf Glock 21 .45 ACP Threaded Barrel, .578x28 3 models Lone Wolf Arms AlphaWolf Glock 21 .45 ACP Threaded Barrel, .578x28 (14) As Low As (Save Up to 11%) $119.95 Best Rated
Image of Lone Wolf Arms AlphaWolf Glock 29 10mm to 40S&W Conversion Barrel Lone Wolf Arms AlphaWolf Glock 29 10mm to 40S&W Conversion Barrel (1) List: $134.95 (Save 11%) $119.95
Image of TRYBE Defense Glock 23/32 .40 S&W to 9mm Cartridge Non-Threaded Conversion Pistol Barrel made-in-usa-flag TRYBE Defense Glock 23/32 .40 S&W to 9mm Cartridge Non-Threaded Conversion Pistol Barrel (6) List: $149.99 (Save 47%) $79.99 On Sale
Image of Lone Wolf Arms AlphaWolf Glock 27 .40 S&W Barrel Lone Wolf Arms AlphaWolf Glock 27 .40 S&W Barrel (8) List: $134.95 (Save 11%) $119.95
Image of Lone Wolf Arms AlphaWolf Glock 22/31 9mm Conversion Barrel Lone Wolf Arms AlphaWolf Glock 22/31 9mm Conversion Barrel (9) List: $134.95 (Save 11%) $119.95 Best Rated
Image of Lone Wolf Arms AlphaWolf Threaded Barrel 10 models Lone Wolf Arms AlphaWolf Threaded Barrel (22) List: $149.95 (Save 10%) $134.95
Image of Lone Wolf Arms AlphaWolf Glock 20 Pistol Barrel 2 models Lone Wolf Arms AlphaWolf Glock 20 Pistol Barrel (2) List: $134.95 (Save 11%) $119.95
Image of Zaffiri Precision Glock 43/43X Threaded Pistol Barrel 3 models Zaffiri Precision Glock 43/43X Threaded Pistol Barrel (13) List: $189.00 (Save 19%) $153.89 Blazin' Deal
Image of Zaffiri Precision Glock 34 Gen 5 Threaded Pistol Barrel 3 models Zaffiri Precision Glock 34 Gen 5 Threaded Pistol Barrel As Low As (Save Up to 19%) $153.89 Blazin' Deal
Image of Tactical Kinetics Glock G17 Gen 5 Threaded Barrel 2 models Tactical Kinetics Glock G17 Gen 5 Threaded Barrel (2) List: $105.00 (Save $6.00) $99.00
Image of Lone Wolf Arms AlphaWolf Glock 20L/40 .40 S&W Barrel, 6 inch Length 2 models Lone Wolf Arms AlphaWolf Glock 20L/40 .40 S&W Barrel, 6 inch Length (10) List: $134.95 (Save 11%) $119.95 Best Rated
Image of Lone Wolf Arms AlphaWolf Glock 34 9mm Threaded Barrel, 1/2x28 2 models Lone Wolf Arms AlphaWolf Glock 34 9mm Threaded Barrel, 1/2x28 (4) As Low As (Save Up to 11%) $119.95
Image of Live Free Armory LF26 Fluted Barrel for Glock 26 made-in-usa-flag Live Free Armory LF26 Fluted Barrel for Glock 26 List: $197.59 (Save 62%) $75.99
Image of Lone Wolf Arms AlphaWolf Glock 29 Barrel 10mm Auto Lone Wolf Arms AlphaWolf Glock 29 Barrel 10mm Auto (1) List: $134.95 (Save 11%) $119.95
Image of Tactical Kinetics Glock G17 Gen 5 Non-Threaded Barrel 2 models Tactical Kinetics Glock G17 Gen 5 Non-Threaded Barrel List: $105.00 (Save $6.00) $99.00
Image of Tactical Kinetics Glock G43 Gen 5 Threaded Barrel 2 models Tactical Kinetics Glock G43 Gen 5 Threaded Barrel (3) As Low As (Save Up to 26%) $93.33 On Sale
Image of Zaffiri Precision Glock 19 Gen 1-4 Chunk Ported Pistol Barrel 3 models Zaffiri Precision Glock 19 Gen 1-4 Chunk Ported Pistol Barrel List: $179.00 (Save 19%) $145.79 Blazin' Deal
Image of True Precision Glock 19 Non-Threaded Barrel 7 models True Precision Glock 19 Non-Threaded Barrel (12) As Low As (Save Up to $9.50) $161.49 Best Rated
Image of True Precision Glock 26 Non-Threaded Barrel 7 models True Precision Glock 26 Non-Threaded Barrel (8) As Low As (Save Up to $9.50) $161.49 Best Rated
Image of Lone Wolf Arms Glock 35 Non Conversion Threaded Barrel Lone Wolf Arms Glock 35 Non Conversion Threaded Barrel (5) List: $149.95 (Save 10%) $134.95
Image of True Precision Glock 43 Non-Threaded Barrel 6 models True Precision Glock 43 Non-Threaded Barrel (5) As Low As (Save Up to $9.50) $161.49
Image of Zaffiri Precision Glock 43/43x Flush and Crown Pistol Barrel 3 models Zaffiri Precision Glock 43/43x Flush and Crown Pistol Barrel (3) List: $169.00 (Save 19%) $137.69 Blazin' Deal
Image of Lone Wolf Arms AlphaWolf Glock 22 .40 S&W Barrel Lone Wolf Arms AlphaWolf Glock 22 .40 S&W Barrel (3) List: $134.95 (Save 11%) $119.95
Image of True Precision Glock 26 Threaded Barrel, 1/2x28 7 models True Precision Glock 26 Threaded Barrel, 1/2x28 (10) As Low As (Save Up to $10.00) $170.99 Best Rated
Image of Lone Wolf Arms AlphaWolf Glock 35 Conversion Barrel 2 models Lone Wolf Arms AlphaWolf Glock 35 Conversion Barrel (21) List: $134.95 (Save 11%) $119.95 Best Rated
Image of Lone Wolf Arms AlphaWolf Glock 17 9mm Barrel 2 models Lone Wolf Arms AlphaWolf Glock 17 9mm Barrel (3) List: $134.95 (Save 11%) $119.95
Image of Lone Wolf Arms AlphaWolf Glock 23 .40 S&W Barrel Lone Wolf Arms AlphaWolf Glock 23 .40 S&W Barrel (6) List: $134.95 (Save 11%) $119.95 Best Rated
Image of EFK Fire Dragon Glock 22/31 9mm Conversion Extended Pistol Barrel 2 models EFK Fire Dragon Glock 22/31 9mm Conversion Extended Pistol Barrel As Low As (Save Up to $10.00) $213.99
Image of Zaffiri Precision Glock 23 Gen 3 Flush and Crown Barrel 4 models Zaffiri Precision Glock 23 Gen 3 Flush and Crown Barrel As Low As (Save Up to 19%) $145.79 Blazin' Deal
Image of OpticsPlanet Exclusive L2D Combat Precision Match Fluted/Threaded Barrel, Glock 19 4 models OpticsPlanet Exclusive L2D Combat Precision Match Fluted/Threaded Barrel, Glock 19 (13) List: $250.00 (Save $12.50) $237.50 Best Rated
Image of EFK Fire Dragon Glock 23/32 9mm Conversion Pistol Barrel 2 models EFK Fire Dragon Glock 23/32 9mm Conversion Pistol Barrel $199.99
Image of Tactical Kinetics Glock G48 Gen 5 Threaded Barrel 2 models Tactical Kinetics Glock G48 Gen 5 Threaded Barrel (1) As Low As (Save Up to 26%) $93.33
Image of Lone Wolf Arms AlphaWolf Glock Pistol Barrel, 9mm 2 models Lone Wolf Arms AlphaWolf Glock Pistol Barrel, 9mm List: $134.95 (Save 11%) $119.95
Image of Zaffiri Precision Glock 26 Threaded Pistol Barrel 3 models Zaffiri Precision Glock 26 Threaded Pistol Barrel (2) As Low As (Save Up to 19%) $153.89 Blazin' Deal
Image of OpticsPlanet Exclusive L2D Combat Precision Match Fluted/Threaded Barrel, Glock 17 10 models OpticsPlanet Exclusive L2D Combat Precision Match Fluted/Threaded Barrel, Glock 17 (4) As Low As (Save Up to $18.51) $231.49 Blazin' Deal
Image of Zaffiri Precision Glock 17 Gen 5 Flush and Crown Pistol Barrel 3 models Zaffiri Precision Glock 17 Gen 5 Flush and Crown Pistol Barrel (1) As Low As (Save Up to 19%) $137.69 Blazin' Deal
Image of EFK Fire Dragon Glock 23/32 357 Conversion Pistol Barrel 2 models EFK Fire Dragon Glock 23/32 357 Conversion Pistol Barrel As Low As (Save Up to $6.00) $189.99
Image of Lone Wolf Arms AlphaWolf Threaded Conversion Barrel, 1/2x28 5 models Lone Wolf Arms AlphaWolf Threaded Conversion Barrel, 1/2x28 (4) List: $149.95 (Save 10%) $134.95
Image of Tactical Kinetics Glock G48 Gen 5 Non-Threaded Barrel 2 models Tactical Kinetics Glock G48 Gen 5 Non-Threaded Barrel List: $125.99 (Save 16%) $105.99
Image of Zaffiri Precision Glock 17 Threaded Pistol Barrel 3 models Zaffiri Precision Glock 17 Threaded Pistol Barrel (2) As Low As (Save Up to 19%) $153.89 Blazin' Deal
Image of Tactical Kinetics Glock G26 Gen 5 Non-Threaded Barrel 2 models Tactical Kinetics Glock G26 Gen 5 Non-Threaded Barrel List: $105.00 (Save $6.00) $99.00
Image of True Precision Glock 17 Threaded Barrel, 1/2x28 7 models True Precision Glock 17 Threaded Barrel, 1/2x28 (2) As Low As (Save Up to $10.00) $170.99
Image of Zaffiri Precision Glock 17L Threaded Pistol Barrel 3 models Zaffiri Precision Glock 17L Threaded Pistol Barrel (1) As Low As (Save Up to 19%) $153.89 Blazin' Deal
Image of CMC Triggers Match Precision Fluted Barrel Compatible With Glock 17, Gen 3 3 models CMC Triggers Match Precision Fluted Barrel Compatible With Glock 17, Gen 3 (1) As Low As (Save Up to 40%) $126.99
Image of Lone Wolf Arms AlphaWolf Glock 43 9mm Barrel Lone Wolf Arms AlphaWolf Glock 43 9mm Barrel (4) List: $134.95 (Save 11%) $119.95
Image of Lone Wolf Arms AlphaWolf Glock 41 .45 ACP Threaded Barrel, .578x28 2 models Lone Wolf Arms AlphaWolf Glock 41 .45 ACP Threaded Barrel, .578x28 (13) As Low As (Save Up to 11%) $119.95
Image of Zaffiri Precision Glock 19 Gen 5 Flush and Crown Pistol Barrel 3 models Zaffiri Precision Glock 19 Gen 5 Flush and Crown Pistol Barrel As Low As (Save Up to 19%) $137.69 Blazin' Deal
Image of Spinta Precision Pledge Glock 17L Gen 3 Barrel Spinta Precision Pledge Glock 17L Gen 3 Barrel (1) List: $199.99 (Save 25%) $149.99
Image of EFK Fire Dragon Glock 22/31 357 Conversion Standard Pistol Barrel 2 models EFK Fire Dragon Glock 22/31 357 Conversion Standard Pistol Barrel As Low As (Save Up to $10.00) $189.99
Image of EFK Fire Dragon Glock 22/31 9mm Conversion Standard Pistol Barrel 2 models EFK Fire Dragon Glock 22/31 9mm Conversion Standard Pistol Barrel (1) $199.99
Image of Tactical Kinetics Glock G26 Gen 1-5 Threaded Barrel Tactical Kinetics Glock G26 Gen 1-5 Threaded Barrel List: $105.00 (Save $1.01) $103.99
Image of Lone Wolf Arms AlphaWolf Glock 42 .380 ACP Threaded Barrel, 1/2x28 Lone Wolf Arms AlphaWolf Glock 42 .380 ACP Threaded Barrel, 1/2x28 (9) List: $149.95 (Save 10%) $134.95
Image of L2D Combat Precision Match Fluted Barrel, Glock 34 5 models L2D Combat Precision Match Fluted Barrel, Glock 34 (1) List: $225.00 (Save $11.25) $213.75
Image of Lone Wolf Arms AlphaWolf Glock 43 9mm Threaded Barrel, 1/2x28 Lone Wolf Arms AlphaWolf Glock 43 9mm Threaded Barrel, 1/2x28 (8) List: $149.95 (Save 10%) $134.95
Image of Lone Wolf Arms AlphaWolf Glock 31 .357 SIG Barrel Lone Wolf Arms AlphaWolf Glock 31 .357 SIG Barrel (7) List: $134.95 (Save 11%) $119.95 Best Rated
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