LABOR DAY DEALS START NOW!
Exclusive Offers + 12% Off Almost Everything Else Use Code: LABORDAY12

LABOR DAY DEALS START NOW!
Exclusive Savings + 12% Off Almost Everything Else Use Code: LABORDAY12

Daily Deal: Rise Armament 1776 Edition AR Trigger $149.00 $125.99 - Get Yours! 

3993-Daniel-Defense-Uppers-CP-Hero-1920x385
3993-Daniel-Defense-Uppers-CP-Hero-768x450
Brownells Exclusive
DANIEL DEFENSE
MK18 & M4A1
STRIPPED UPPERS
JUST $694.99 THIS LABOR DAY
Featuring RIS II & RIS III rails, cold hammer forged barrels & legendary Daniel Defense quality.
Explore The Uppers
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero
4509 Site Banners - BRN180 Gen-3 Launch_Category Hero Mobile(1)

BROWNELLS
BRN-180® GEN3

You've Been Waiting -Don't Miss Out Again!
Back In Stock!
6294 Brownells Banners - Week 11 - Category Header_Geissele
6294 Brownells Banners - Week 11 - Category Header_Geissele Mobile

THE GOLD STANDARD
OF AR UPGRADES!

Shop Geissele Uppers,Triggers, and Upgrades!
On Sale Now!
6179 Brownells Site Banners - Week 6 - Category Header Banners_Howa
6179 Brownells Site Banners - Week 6 - Category Header Banners_Howa Mobile

EXCLUSIVE HOWA BARRELED ACTIONS
- PERFORMANCE GUARANTEED

Howa barreled actions ensure
the confidence needed to hit your mark
on the range, at competition or on the hunt!
Learn More
6275 Brownells Banner - New product - _Category Header
6275 Brownells Banner - New product - _Category Header Mobile
SMALLER.
LIGHTER.
STRONGER.
Meet the New
LAW FOLDER GEN S
SMALLER.
LIGHTER.
STRONGER.
Meet the New
LAW FOLDER GEN S
Take A Look
4662-BRN-180-Ambi-Lower-CP-Hero-1920x385
4662-BRN-180-Ambi-Lower-CP-Hero-768x450

THE BETTER HALF
OF YOUR BRN-180®

Brownells BRN-180M
Fully Ambidextrous Lower
Back In Stock!

Rifle Receivers & Parts

339 Items

Rifle Receivers & Parts — 339 Products In Stock / 109 Models

Our Rifle Receivers & Parts selection features 339 in-stock products including Upper Receivers, Rifle Barreled Actions, & Bolt Catch Parts from 88 premium brands including AERO PRECISION, BROWNELLS, & HOWA.  Browse our full Rifle Parts selection here.

Sort by:
339 Total Products
You're viewing results for:
Products:  1  –  32  of 344
Number of results: 
  • 32
  • 64
  • 96
Product badge BROWNELLS - BRN-15 STRIPPED FORGED LOWER RECEIVER BROWNELLS - BRN-15 STRIPPED FORGED LOWER RECEIVER
5 Stars
(0.0)

$99.99

In stock
Product badge
Product badge DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER
5 Stars
(4.5)

$694.99

$899.99

In stock
Product badge
Product badge DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.9)

$694.99

$899.99

In stock
Product badge
Product badge DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - MK18 RIII 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.8)

$694.99

$899.99

In stock
Product badge
Product badge DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.9)

$694.99

$899.99

In stock
Product badge
Product badge DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 SOCOM BLOCK II 5.56 NATO STRIPPED UPPER RECEIVER
5 Stars
(4.6)

$694.99 - $799.99

$899.99 - $949.99

Select Items In Stock
Product badge GEISSELE AUTOMATICS LLC - MK16 URG-I COMPLETE UPPER RECEIVERS 5.56MM GEISSELE AUTOMATICS LLC - MK16 URG-I COMPLETE UPPER RECEIVERS 5.56MM
5 Stars
(4.8)

$1,311.99

$1,525.00

Select Items In Stock
Product badge GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY MOD1 5.56X45 NATO COMPLETE UPPER RECEIVER
5 Stars
(4.1)

$1,139.99 - $1,246.99

$1,325.00 - $1,450.00

Select Items In Stock
CMMG - AR-15 BUFFER RETAINER CMMG - AR-15 BUFFER RETAINER
5 Stars
(5.0)

$2.35 - $2.95

In stock
Product badge
MAGPUL - B.A.D. LEVER® BATTERY ASSIST DEVICE FOR AR-15/M4 MAGPUL - B.A.D. LEVER® BATTERY ASSIST DEVICE FOR AR-15/M4
5 Stars
(4.4)

$32.25

In stock
CMMG - AR-15 BOLT CATCH ROLL PIN CMMG - AR-15 BOLT CATCH ROLL PIN
5 Stars
(4.2)

$1.03

In stock
BROWNELLS - AR-15/M16 M16A2 STRIPPED UPPER RECEIVER BROWNELLS - AR-15/M16 M16A2 STRIPPED UPPER RECEIVER
5 Stars
(1.5)

$149.99

In stock
Product badge GEISSELE AUTOMATICS LLC - AR-15 PREMIUM MIL-SPEC BUFFER TUBE ASSEMBLY WITH SUPER 42 GEISSELE AUTOMATICS LLC - AR-15 PREMIUM MIL-SPEC BUFFER TUBE ASSEMBLY WITH SUPER 42
5 Stars
(5.0)

$113.99 - $168.99

$133.00 - $197.00

Select Items In Stock
Product badge
MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15 MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15
5 Stars
(4.1)

$16.10

Select Items In Stock
BROWNELLS - AR-15/M16 DETENT TAKEDOWN SPRINGS BROWNELLS - AR-15/M16 DETENT TAKEDOWN SPRINGS
5 Stars
(5.0)

$0.99 - $2.99

In stock
CMMG - AR-15 Ejection Cover Hinge Pin Snap Ring CMMG - AR-15 Ejection Cover Hinge Pin Snap Ring
5 Stars
(5.0)

$1.38

In stock
CMMG - AR-15 PIVOT PIN DETENTS CMMG - AR-15 PIVOT PIN DETENTS
5 Stars
(5.0)

$10.00

In stock
LMT DEFENSE - MARS-L SOPMOD COMPLETE LOWER RECEIVER LMT DEFENSE - MARS-L SOPMOD COMPLETE LOWER RECEIVER
5 Stars
(4.7)

$969.30

Online Only - In stock
FORWARD CONTROLS DESIGN LLC - AR-15 BUFFER RETAINER STAINLESS STEEL FORWARD CONTROLS DESIGN LLC - AR-15 BUFFER RETAINER STAINLESS STEEL
5 Stars
(5.0)

$7.60

In stock
Product badge GEISSELE AUTOMATICS LLC - MARITIME BOLT CATCH FOR AR-15 GEISSELE AUTOMATICS LLC - MARITIME BOLT CATCH FOR AR-15
5 Stars
(4.5)

$26.99

$31.00

In stock
BROWNELLS BUNDLES - GAU-5A COMPLETE UPPER RECEIVER & 4X RETRO CARRY HANDLE SCOPE BROWNELLS BUNDLES - GAU-5A COMPLETE UPPER RECEIVER & 4X RETRO CARRY HANDLE SCOPE
5 Stars
(0.0)

$977.99 - $997.99

Select Items In Stock
CMMG - AR-15 BOLT CATCH CMMG - AR-15 BOLT CATCH
5 Stars
(5.0)

$8.62 - $10.00

In stock
BROWNELLS - AR-15 C7 STRIPPED UPPER RECEIVER BROWNELLS - AR-15 C7 STRIPPED UPPER RECEIVER
5 Stars
(3.8)

$149.99

In stock
LUTH-AR LLC - AR-15 TEAR DROP FORWARD ASSIST ASSEMBLY LUTH-AR LLC - AR-15 TEAR DROP FORWARD ASSIST ASSEMBLY
5 Stars
(4.6)

$18.49

In stock
CMMG - AR-15 BOLT CATCH SPRING CMMG - AR-15 BOLT CATCH SPRING
5 Stars
(5.0)

$1.32

In stock
Product badge GEISSELE AUTOMATICS LLC - SUPER DUTY TAKEDOWN PIN SET GEISSELE AUTOMATICS LLC - SUPER DUTY TAKEDOWN PIN SET
5 Stars
(5.0)

$15.99

$19.00

In stock
COLT - AR15A4 TAKEDOWN PIN SPRING COLT - AR15A4 TAKEDOWN PIN SPRING
5 Stars
(5.0)

$2.19

In stock
CMMG - AR-15 PIVOT PIN DETENT SPRING CMMG - AR-15 PIVOT PIN DETENT SPRING
5 Stars
(5.0)

$1.03

In stock
LMT DEFENSE - MARS-L STRIPPED LOWER RECEIVER LMT DEFENSE - MARS-L STRIPPED LOWER RECEIVER
5 Stars
(0.0)

$352.35

Online Only - In stock
Product badge BROWNELLS BUNDLES - DD 14.5" M4A1 SOMCOM UPPER RECEIVER W/ EOTECH OPTIC BROWNELLS BUNDLES - DD 14.5" M4A1 SOMCOM UPPER RECEIVER W/ EOTECH OPTIC
5 Stars
(0.0)

$1,263.99 - $1,402.99

Select Items In Stock
Product badge
BRAVO COMPANY - AR-15 COMPLETE WIDEBODY LOWER W/MK2RMS-M1T0 & MOD-2-SOPMOD STOCK BRAVO COMPANY - AR-15 COMPLETE WIDEBODY LOWER W/MK2RMS-M1T0 & MOD-2-SOPMOD STOCK
5 Stars
(4.6)

$559.00

Select Items In Stock
Product badge GEISSELE AUTOMATICS LLC - ULTRA DUTY CHECKERED TAKEDOWN PIN SET GEISSELE AUTOMATICS LLC - ULTRA DUTY CHECKERED TAKEDOWN PIN SET
5 Stars
(0.0)

$23.99

$28.00

In stock
Products:  1  –  32  of 344