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BROWNELLS GUN PARTS PRODUCTS

Founded in 1939 by Bob Brownell, Brownells is a leading supplier of firearms accessories, gunsmithing tools, and ammunition. Known for their extensive product selection and commitment to customer service, Brownells serves both professional gunsmiths and firearm enthusiasts. The company is a trusted name in the firearms industry.

BROWNELLS Gun Parts Products — 365 Products / 104 Models

The right gear pays off when it counts, and our BROWNELLS Gun Parts lineup delivers 365 in-stock products starting at $0.29 across 104 models including Rifle Parts, Handgun Parts, Shotgun Parts, Magazines.  Stack the savings Up To 75% Off on qualifying orders, and all Brownells & Sinclair brand products backed by our Forever Guarantee®.

The numbers back it up: 4.3 stars across 3,361 verified buyer reviews, where customers consistently call out the fit, finish, and field performance that keeps them coming back. Discover the complete BROWNELLS collection for more from a brand that has earned its reputation one customer at a time.

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366 Total Products
Products:  1  –  32  of 366
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Product badge BROWNELLS - SLIDE PARTS KIT W/ BILLET FIRING PIN FOR GLOCK® 17 BROWNELLS - SLIDE PARTS KIT W/ BILLET FIRING PIN FOR GLOCK® 17
5 Stars
(4.2)

$36.99 - $46.99

$46.48 - $54.99

In stock
Product badge BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22® BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22®
5 Stars
(4.1)

$102.65 - $149.99

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Product badge BROWNELLS - COMPLETE SLIDE ASSEMBLIES FOR GLOCK 19® BROWNELLS - COMPLETE SLIDE ASSEMBLIES FOR GLOCK 19®
5 Stars
(3.7)

$214.99 - $215.99

$249.99 - $259.46

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Product badge BROWNELLS - BRN-180 GEN 3 300 BLACKOUT 9" COMPLETE UPPER RECEIVER ASSEMBLY BROWNELLS - BRN-180 GEN 3 300 BLACKOUT 9" COMPLETE UPPER RECEIVER ASSEMBLY
5 Stars
(3.0)

$1,029.99

$1,199.99

In stock
Product badge BROWNELLS - BRN-180 GEN 3 223 WYLDE 16" COMPLETE UPPER RECEIVER ASSEMBLY BROWNELLS - BRN-180 GEN 3 223 WYLDE 16" COMPLETE UPPER RECEIVER ASSEMBLY
5 Stars
(3.3)

$1,029.99

$1,199.99

In stock
Product badge BROWNELLS - BRN-180 GEN 3 223 WYLDE 13.9" COMPLETE UPPER RECEIVER BROWNELLS - BRN-180 GEN 3 223 WYLDE 13.9" COMPLETE UPPER RECEIVER
5 Stars
(3.3)

$1,029.99

$1,199.99

In stock
Product badge BROWNELLS - PREMIUM SLIDES FOR GLOCK® GEN 1-3 BROWNELLS - PREMIUM SLIDES FOR GLOCK® GEN 1-3
5 Stars
(4.6)

$211.99 - $213.99

$249.99

In stock
Product badge BROWNELLS - BRN-180® GAS SYSTEM COMPONENTS BROWNELLS - BRN-180® GAS SYSTEM COMPONENTS
5 Stars
(0.0)

$16.99 - $89.99

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Product badge BROWNELLS - BRN-180® CHARGING HANDLE BROWNELLS - BRN-180® CHARGING HANDLE
5 Stars
(3.8)

$24.99

In stock
Product badge BROWNELLS - ALUMINUM MAGAZINES FOR AR-15 BROWNELLS - ALUMINUM MAGAZINES FOR AR-15
5 Stars
(4.6)

$19.42 - $1,800.00

In stock
Product badge BROWNELLS - SLIDES WITH RMR CUT FOR GLOCK 19® BROWNELLS - SLIDES WITH RMR CUT FOR GLOCK 19®
5 Stars
(3.1)

$163.99 - $164.99

$189.99

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Product badge BROWNELLS - BRN-22® BOLT ASSEMBLY BROWNELLS - BRN-22® BOLT ASSEMBLY
5 Stars
(4.8)

$99.10 - $139.99

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Product badge BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP BROWNELLS - AR-15 BROWNELLS 9MM BOLT CARRIER GROUP
5 Stars
(4.0)

$178.37

In stock
Product badge BROWNELLS - COVER PLATE FOR BROWNELLS RMR G20/G21 SLIDES BROWNELLS - COVER PLATE FOR BROWNELLS RMR G20/G21 SLIDES
5 Stars
(0.0)

$12.74

$26.99

In stock
Product badge BROWNELLS - XM177E2 COMPLETE UPPER RECEIVERS BROWNELLS - XM177E2 COMPLETE UPPER RECEIVERS
5 Stars
(4.4)

$688.99 - $734.99

$806.59 - $859.99

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Product badge BROWNELLS - BRN-15 UPPER RECEIVERS 5.56MM NATO BROWNELLS - BRN-15 UPPER RECEIVERS 5.56MM NATO
5 Stars
(3.8)

$336.99 - $356.99

$399.99 - $429.99

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Product badge BROWNELLS - SHOTGUN SIGHT CONVENIENCE KITS BROWNELLS - SHOTGUN SIGHT CONVENIENCE KITS
5 Stars
(4.9)

$11.34 - $20.20

In stock
Product badge BROWNELLS - MASTER AR-15 SHIM KIT BROWNELLS - MASTER AR-15 SHIM KIT
5 Stars
(5.0)

$47.54

In stock
Product badge BROWNELLS - AR-15/M16 OVERSIZED MAGAZINE RELEASE BUTTON BROWNELLS - AR-15/M16 OVERSIZED MAGAZINE RELEASE BUTTON
5 Stars
(3.6)

$15.71

In stock
Product badge BROWNELLS - HAMMER/SEAR BLOCK PINS BROWNELLS - HAMMER/SEAR BLOCK PINS
5 Stars
(0.0)

$6.99 - $17.99

In stock
Product badge BROWNELLS - AR-15/M16 BOLT CARRIER COMPLETION KIT BROWNELLS - AR-15/M16 BOLT CARRIER COMPLETION KIT
5 Stars
(3.7)

$46.99

In stock
Product badge BROWNELLS - BRN-4® M27 QUAD RAIL HANDGUARDS BROWNELLS - BRN-4® M27 QUAD RAIL HANDGUARDS
5 Stars
(4.3)

$156.83 - $199.99

$199.99

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Product badge BROWNELLS - BRN-4 STRIPPED BARRELS BROWNELLS - BRN-4 STRIPPED BARRELS
5 Stars
(3.8)

$179.99

$299.99

In stock
Product badge BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED
5 Stars
(3.5)

$349.99

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Product badge BROWNELLS - BRN-10 PORTUGESE MID-LENGTH HANDGUARD, NO HEAT SHIELD BROWNELLS - BRN-10 PORTUGESE MID-LENGTH HANDGUARD, NO HEAT SHIELD
5 Stars
(3.8)

$7.99

$21.99

In stock
Product badge BROWNELLS - BRN-4® M27 16.5" 5.56 CHROME LINED BARREL BROWNELLS - BRN-4® M27 16.5" 5.56 CHROME LINED BARREL
5 Stars
(3.8)

$349.99

In stock
BROWNELLS - BRN-4 GAS BLOCK COIL PINS 2-PACK BROWNELLS - BRN-4 GAS BLOCK COIL PINS 2-PACK
5 Stars
(5.0)

$10.99

In stock
Product badge BROWNELLS - AR-15 STOCK ASSY COLLAPSIBLE COMMERCIAL BROWNELLS - AR-15 STOCK ASSY COLLAPSIBLE COMMERCIAL
5 Stars
(3.1)

$94.99

In stock
Products:  1  –  32  of 366