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Ready To Drop-In, Add A Magazine In The New Caliber & Go Shooting

Drop-in barrels let you convert your Glock® to a different caliber simply by changing the barrel and adding a magazine in the new caliber (available separately). Machined from stainless steel for superior strength, accuracy, and performance. Tight tolerances (+/- 0.001" to 0.002") in all critical areas. Cut broach rifling with 1-16" twist enables shooting of jacketed and lead bullets. Models available for Glock® 22, 27, 30 & 35. Magazines indicated in the table below will provide the correct fit with the bottom of the grip frame.

“GLOCK” is a federally registered trademark of Glock, Inc. and is one of many trademarks owned by Glock, Inc. or Glock Ges.m.b.H.  Brownells is an independent dealer of parts and accessories for Glock® pistols, and is not affiliated with or 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 parts or components.  As indicated in the product descriptions, not all parts and accessories on this site are official Glock products.


Big Book Catalog, Issue:67, Page:212
Big Book Catalog, Issue:67, Page:213
Law Enforcement / Police Store, Issue:05, Page:026
Mini-Catalogs, Issue:01, Page:007
New Product Supplement, Issue:581, Page:006
Personal Protection, Issue:01, Page:016

SPECS: 416R stainless steel, hardened to Rc 40-42, natural finish. 1-16" twist rifling. May require minor fitting.

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7 Item(s)
9MM CONVERSION 4.49"(11.4CM) FOR GLK22
842-000-015WB
Glock® 22, .40 S&W, 9mm, 4.49" (11.4 cm) fits G17 Magazine
842000015Glock® 22, .40 S&W, 9mm, 4.49" (11.4 cm) fits G17 Magazine

Mfr Part: 34033

$151.99

In Stock

Cartridge: 9 mm Luger

Barrel Length: 4.49"

Finish: Stainless Steel

Style: Drop-In, Match Grade

Barrel Weight: .2 lbs

9MM 3.46"(8.8CM) FOR GLOCK 27
842-000-040WB
Glock® 27, .40 S&W, 9mm, 3.46" (8.8cm) fits G26 Magazine
842000040Glock® 27, .40 S&W, 9mm, 3.46" (8.8cm) fits G26 Magazine

Mfr Part: 34052

$151.99

In Stock

Cartridge: 9 mm Luger, 40 S&W

Barrel Length: 3.46"

Finish: Stainless Steel

Style: Drop-In, Match Grade, ...

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10MM 3.78"(9.6CM)GLOCK 30
842-000-052WB
Glock® 30, .45 ACP, 10mm, 3.78" (9.6cm) fits G29 Magazine
842000052Glock® 30, .45 ACP, 10mm, 3.78" (9.6cm) fits G29 Magazine

Mfr Part: 34057

$151.99

In Stock

Cartridge: 45 Auto (ACP)

Barrel Length: 3.78"

Finish: Stainless Steel

Style: Drop-In, Match Grade

Barrel Weight: .2 lbs

357SIG 4.49"(11.4CM) FOR GLOCK 22
842-000-030WB
Glock® 22, 357 Sig 4.49" (11.4cm)
842000030Glock® 22, 357 Sig 4.49" (11.4cm)

Mfr Part: 34026

$151.99

In Stock

Cartridge: 357 SIG

Barrel Length: 4.49"

Finish: Stainless Steel

Style: Conversion

Barrel Weight: .2 lbs

9MM CONVERSION 4.02"(10.2CM) GLOCK 23
842-000-035WB
Glock® 23, 9mm Conversion 4.02" (10.2cm)
842000035Glock® 23, 9mm Conversion 4.02" (10.2cm)

Mfr Part: 34042

$151.99

In Stock

Cartridge: 9 mm Luger

Barrel Length: 4.02"

Finish: Stainless Steel

Style: Pre-Fit

Barrel Weight: .24 lbs

357SIG 3.46"(8.8CM) FOR GLOCK 27
842-000-028WB
Glock® 27, 357 Sig 3.46" (8.8cm)
842000028Glock® 27, 357 Sig 3.46" (8.8cm)

Mfr Part: 34049

$151.99

In Stock

Cartridge: 357 SIG

Barrel Length: 3.46"

Finish: Stainless Steel

Style: Conversion

Barrel Weight: .2 lbs

357SIG 5.32"(13.5CM) FOR GLOCK 35
842-000-031WB
Glock® 35, 357 Sig 5.32" (13.5cm)
842000031Glock® 35, 357 Sig 5.32" (13.5cm)

Mfr Part: 34070

$151.99

In Stock

Cartridge: 357 SIG

Barrel Length: 5.32"

Finish: Stainless Steel

Style: Conversion

Barrel Weight: .3 lbs

CONVERSION BARRELS for GLOCK®