Celebrating 87 Years! Shop Exclusive Anniversary Offers Now

Celebrating 87 Years! Shop Exclusive Offers Now

Magpul Orders SHIP FREE w/ Code: MAGPULFS • All Orders $150+ SHIP FREE w/ Code: 150FREESHIP

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 3,266 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.

Sort by:
363 Total Products
Products:  321  –  352  of 363
Number of results: 
  • 32
  • 64
  • 96
Product badge BROWNELLS - BRN-4 STRIPPED UPPER RECEIVER BILLET BROWNELLS - BRN-4 STRIPPED UPPER RECEIVER BILLET
5 Stars
(3.6)

$214.99

$249.99

Out of Stock
Product badge BROWNELLS - BRN-601® RETRO COMPLETE UPPER RECEIVER BROWNELLS - BRN-601® RETRO COMPLETE UPPER RECEIVER
5 Stars
(3.4)

$768.99

$899.99

Out of Stock
BROWNELLS - AR-15 RETRO BUTTSTOCKS BROWNELLS - AR-15 RETRO BUTTSTOCKS
5 Stars
(4.3)

$28.91 - $31.20

Out of Stock
BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP BROWNELLS - M16 5.56 BOLT CARRIER GROUP CHROME MP
5 Stars
(3.8)

$138.80 - $139.01

Out of Stock
BROWNELLS - MATCH GRADE BARRELS FOR GLOCK® 20 BROWNELLS - MATCH GRADE BARRELS FOR GLOCK® 20
5 Stars
(4.5)

$121.93

Out of Stock
BROWNELLS - AR-15/M16 DISSIPATOR BARRELS 16" 5.56 1-8 BROWNELLS - AR-15/M16 DISSIPATOR BARRELS 16" 5.56 1-8
5 Stars
(3.4)

$255.99

Out of Stock
BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME
5 Stars
(4.2)

$349.99

Out of Stock
BROWNELLS - SIG P320 9MM FULL SIZE BARRELS BROWNELLS - SIG P320 9MM FULL SIZE BARRELS
5 Stars
(4.0)

$141.10

Out of Stock
Product badge BROWNELLS - AR-15/M16 733 C7 11.5" 5.56 UPPER RECEIVER BROWNELLS - AR-15/M16 733 C7 11.5" 5.56 UPPER RECEIVER
5 Stars
(4.3)

$646.99

$757.07

Out of Stock
BROWNELLS - M16 5.56 BOLT ASSEMBLY NITRIDE MP BROWNELLS - M16 5.56 BOLT ASSEMBLY NITRIDE MP
5 Stars
(4.8)

$49.30

Out of Stock
BROWNELLS - AR-15/M16 RECEIVER END PLATE BROWNELLS - AR-15/M16 RECEIVER END PLATE
5 Stars
(5.0)

$2.28

Out of Stock
Product badge BROWNELLS - COMPLETE SLIDE ASSEMBLIES FOR GLOCK 17® BROWNELLS - COMPLETE SLIDE ASSEMBLIES FOR GLOCK 17®
5 Stars
(3.9)

$214.99 - $215.99

$249.99 - $259.46

Out of Stock
BROWNELLS - AR-15 32RD COLT STYLE MAGAZINE 9MM BROWNELLS - AR-15 32RD COLT STYLE MAGAZINE 9MM
5 Stars
(4.6)

$30.21 - $90.62

Out of Stock
Product badge BROWNELLS - BRN16A1® 20" COMPLETE UPPER RECEIVERS BROWNELLS - BRN16A1® 20" COMPLETE UPPER RECEIVERS
5 Stars
(4.6)

$727.99 - $728.99

$849.99

Out of Stock
BROWNELLS - 308 AR TITANIUM BOLT CARRIER GROUP DLC BROWNELLS - 308 AR TITANIUM BOLT CARRIER GROUP DLC
5 Stars
(4.0)

$299.99

Out of Stock
BROWNELLS - RIFLE DOVETAIL SLOT BLANK BROWNELLS - RIFLE DOVETAIL SLOT BLANK
5 Stars
(4.0)

$14.14

Out of Stock
BROWNELLS - BRN-4 UPPER RECEIVER BUSHING FOR HK416 & MR556 BROWNELLS - BRN-4 UPPER RECEIVER BUSHING FOR HK416 & MR556
5 Stars
(3.0)

$10.99

Out of Stock
BROWNELLS - AR-15 UPPER RECEIVER COMPLETION KITS BROWNELLS - AR-15 UPPER RECEIVER COMPLETION KITS
5 Stars
(0.0)

$31.66 - $108.09

Out of Stock
BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP BROWNELLS - AR15 BOLT CARRIER GROUP 5.56X45MM NITRIDE MP
5 Stars
(4.8)

$112.25

Out of Stock
BROWNELLS - AR-15 16" A1 CARBINE BARREL ASSEMBLY BROWNELLS - AR-15 16" A1 CARBINE BARREL ASSEMBLY
5 Stars
(4.6)

$249.99

Out of Stock
Product badge BROWNELLS - BRN-15 16" UPPER RECEIVER ASSEMBLIES 5.56MM BROWNELLS - BRN-15 16" UPPER RECEIVER ASSEMBLIES 5.56MM
5 Stars
(5.0)

$352.99

$436.15

Out of Stock
BROWNELLS - GM-453 PRO-SPRINGS™ FOR ACTION TUNING BROWNELLS - GM-453 PRO-SPRINGS™ FOR ACTION TUNING
5 Stars
(0.0)

$13.02

Out of Stock
BROWNELLS - GM-452 PRO-SPRINGS™ FOR ACTION TUNING BROWNELLS - GM-452 PRO-SPRINGS™ FOR ACTION TUNING
5 Stars
(0.0)

$11.08

Out of Stock
Product badge BROWNELLS - BRN16A2 5.56 20" COMPLETE UPPER RECEIVER BROWNELLS - BRN16A2 5.56 20" COMPLETE UPPER RECEIVER
5 Stars
(3.6)

$687.99

$816.05

Out of Stock
Product badge BROWNELLS - BRN-16A4 COMPLETE UPPER RECEIVER BROWNELLS - BRN-16A4 COMPLETE UPPER RECEIVER
5 Stars
(4.5)

$520.99

$599.99

Out of Stock
Product badge BROWNELLS - “INSTA GRIP” HEAVY TAPE BROWNELLS - “INSTA GRIP” HEAVY TAPE
5 Stars
(4.8)

$10.08 - $17.99

$24.99

Out of Stock
Product badge BROWNELLS - SA REVOLVER BASE PIN LATCH KIT BROWNELLS - SA REVOLVER BASE PIN LATCH KIT
5 Stars
(5.0)

$12.99

$16.99

Out of Stock
Product badge BROWNELLS - SW-MS-223 MAINSPRING FOR S&W K,L,N FRAME REVOLVER BROWNELLS - SW-MS-223 MAINSPRING FOR S&W K,L,N FRAME REVOLVER
5 Stars
(5.0)

$14.99

$18.99

Out of Stock
BROWNELLS - AR-15 FORWARD ASSIST BROWNELLS - AR-15 FORWARD ASSIST
5 Stars
(5.0)

$14.99

Out of Stock
BROWNELLS - M1-900 PRO-SPRING KIT BROWNELLS - M1-900 PRO-SPRING KIT
5 Stars
(1.7)

$18.99

Out of Stock
Product badge BROWNELLS - INSTA GRIP" HEAVY & MEDIUM ASSORTED TAPE PACKAGE BROWNELLS - INSTA GRIP" HEAVY & MEDIUM ASSORTED TAPE PACKAGE
5 Stars
(0.0)

$40.99

$51.99

Out of Stock
BROWNELLS - SW-MS-222 MAINSPRING FOR S&W K,L,N FRAME REVOLVER BROWNELLS - SW-MS-222 MAINSPRING FOR S&W K,L,N FRAME REVOLVER
5 Stars
(3.0)

$10.65 - $106.49

Out of Stock
Products:  321  –  352  of 363