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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 — 362 Products / 104 Models

The right gear pays off when it counts, and our BROWNELLS Gun Parts lineup delivers 362 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 3,264 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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363 Total Products
Products:  1  –  32  of 363
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Product badge BROWNELLS - SLIDES WITH RMR CUT FOR GLOCK 17® BROWNELLS - SLIDES WITH RMR CUT FOR GLOCK 17®
5 Stars
(4.2)

$163.99 - $164.99

$189.99

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BROWNELLS - ALUMINUM MAGAZINES FOR AR-15 BROWNELLS - ALUMINUM MAGAZINES FOR AR-15
5 Stars
(4.6)

$19.99 - $1,800.00

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 - 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
(3.1)

$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

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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
(3.1)

$1,029.99

$1,199.99

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

$16.99 - $89.99

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

$24.99

In stock
BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP
5 Stars
(4.5)

$135.42

In stock
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 - 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

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

$11.34 - $20.20

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

$47.54

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

$6.99 - $17.99

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

$15.71

In stock
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
BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED
5 Stars
(3.9)

$349.99

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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
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
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
BROWNELLS - BRN-4 416 GAS BLOCK FOR 10.4" BARRELS BROWNELLS - BRN-4 416 GAS BLOCK FOR 10.4" BARRELS
5 Stars
(2.5)

$133.79

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

$94.99

In stock
BROWNELLS - BRN-4 416 GAS BLOCK FOR 14.5" & 16” BARRELS BROWNELLS - BRN-4 416 GAS BLOCK FOR 14.5" & 16” BARRELS
5 Stars
(5.0)

$124.02

In stock
Products:  1  –  32  of 363