Daily Deal: Wheeler Delta Series AR Armorers Vise - Just $39.99 Today Only!

Daily Deal: Wheeler Delta Series AR Armorers Vise - Just $39.99 Today Only!

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EXCLUSIVE DANIEL DEFENSE
MK18 & M4A1 STRIPPED UPPERS

RISII & RISIII Rails, Cold Hammer Forged Barrels
& Legendary Daniel Defense Quality
Only At Brownells!
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BROWNELLS BRN-180® GEN3

You've Been Waiting - Don't Miss Out Again!
Back In Stock!
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THE GOLD STANDARD
OF AR UPGRADES!

Shop Geissele Uppers,
Triggers, and Upgrades!
Upgrade Your AR!
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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!
Take Advantage Now
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SMALLER.
LIGHTER.
STRONGER.

Check-Out The New
Law Folder Gen S!
Take A Look
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THE BETTER HALF
OF YOUR BRN-180®

Brownells BRN-180M
Fully Ambidextrous Lower
Back In Stock!
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BROWNELLS BRN-22

Precision, Reliability, and Customizable
Take A Deeper Dive

Rifle Receivers & Parts

305 Items

Rifle Receivers & Parts Up To 68% Off— 305 Products In Stock / 110 Models

Our Rifle Receivers & Parts lineup includes 305 in-stock products selected from the brands serious shooters and outdoorsmen rely on. Enjoy savings Up To 68% Off on qualifying orders, all protected by our Forever Guarantee®.

You'll find options across Upper Receivers, Bolt Catch Parts, Rifle Barreled Actions, & Ejection Port Covers & Parts from 93 premium brands like AERO PRECISION, BROWNELLS, HOWA, REMINGTON, with detailed specs to help you compare quality, materials, and performance. Verified buyers give our Rifle Receivers & Parts 4.5 Ratings out of 3,190 Reviews from verified buyers, a strong signal you can shop with confidence.

Whether you are gearing up for the range, the field, or daily carry, we stand behind every Rifle Receivers & Parts product we ship. Visit our full Rifle Parts category for the complete selection of related gear.

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Products:  1  –  32  of 353
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DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER DANIEL DEFENSE - M4A1 FSP 5.56X45MM STRIPPED UPPER RECEIVER
5 Stars
(4.9)

$899.99

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

$899.99

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

$899.99

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

$899.99

In stock
BRAVO COMPANY - LOWER RECEIVERS W/ MK 2 RMS & MOD-0 STOCK BRAVO COMPANY - LOWER RECEIVERS W/ MK 2 RMS & MOD-0 STOCK
5 Stars
(4.6)

$549.00 - $599.99

Online Only - In stock
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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)

$899.99 - $949.99

Select Items In Stock
BROWNELLS - AR-15 C7 STRIPPED UPPER RECEIVER BROWNELLS - AR-15 C7 STRIPPED UPPER RECEIVER
5 Stars
(3.8)

$149.99

In stock
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
(4.3)

$559.00

Online Only - In stock
BRAVO COMPANY - LOWERS W/ MK2 RMS & MOD 0 SOPMOD STOCK BRAVO COMPANY - LOWERS W/ MK2 RMS & MOD 0 SOPMOD STOCK
5 Stars
(5.0)

$549.00 - $549.99

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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)

$133.00 - $197.00

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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)

$26.49

In stock
BRAVO COMPANY - RECEIVERS W/ MK2 RMS & MOD-1 SOPMOD STOCK BRAVO COMPANY - RECEIVERS W/ MK2 RMS & MOD-1 SOPMOD STOCK
5 Stars
(5.0)

$563.00

Online Only - In stock
MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15 MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15
5 Stars
(4.0)

$11.49 - $12.99

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

$1.03

In stock
CMMG - AR-15 PIVOT PIN DETENT SPRING CMMG - AR-15 PIVOT PIN DETENT SPRING
5 Stars
(4.8)

$1.03

In stock
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)

$1,325.00 - $1,450.00

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BRAVO COMPANY - BLEM PISTOL LOWER RECEIVER WITH RECEIVER EXTENSION BRAVO COMPANY - BLEM PISTOL LOWER RECEIVER WITH RECEIVER EXTENSION
5 Stars
(0.0)

$450.00

Online Only - In stock
BRAVO COMPANY - BLEM LOWER RECEIVER W/ MOD-1 SOPMOD COMPARTMENT STOCK BRAVO COMPANY - BLEM LOWER RECEIVER W/ MOD-1 SOPMOD COMPARTMENT STOCK
5 Stars
(0.0)

$480.00

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CMMG - AR-15 BOLT CATCH PLUNGER CMMG - AR-15 BOLT CATCH PLUNGER
5 Stars
(5.0)

$1.86

In stock
BRAVO COMPANY - AR-15 COMPLETE WIDEBODY LOWER RECEIVER WITH MOD-2-SOPMOD STOCK BRAVO COMPANY - AR-15 COMPLETE WIDEBODY LOWER RECEIVER WITH MOD-2-SOPMOD STOCK
5 Stars
(5.0)

$535.00

Online Only - In stock
BROWNELLS BUNDLES - DD 10.3" MK18 SOCOM UPPER RECEIVERS W/ OPTICS BROWNELLS BUNDLES - DD 10.3" MK18 SOCOM UPPER RECEIVERS W/ OPTICS
5 Stars
(0.0)

$1,523.69 - $1,678.89

In stock
Z-M WEAPONS - AR-15/M16 ACCU-WEDGE Z-M WEAPONS - AR-15/M16 ACCU-WEDGE
5 Stars
(4.0)

$13.99

In stock
BROWNELLS - AR-15/M16 DETENT TAKEDOWN SPRINGS BROWNELLS - AR-15/M16 DETENT TAKEDOWN SPRINGS
5 Stars
(5.0)

$0.29 - $0.78

In stock
ZRO DELTA - AR-15 FORGED M4 UPPER RECEIVER 5.56MM ZRO DELTA - AR-15 FORGED M4 UPPER RECEIVER 5.56MM
5 Stars
(5.0)

$69.99

In stock
BROWNELLS - AR-15 FORWARD ASSIST ROLL PIN BROWNELLS - AR-15 FORWARD ASSIST ROLL PIN
5 Stars
(2.5)

$4.99

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
BATTLE ARMS DEVELOPMENT INC. - WORKHORSE BLEM STRIPPED UPPER RECEIVER FOR AR-15 BATTLE ARMS DEVELOPMENT INC. - WORKHORSE BLEM STRIPPED UPPER RECEIVER FOR AR-15
5 Stars
(0.0)

$79.99

In stock
YANKEE HILL MACHINE CO., INC. - AR-15/M16 EZ PULL PIVOT & TAKEDOWN PIN SET YANKEE HILL MACHINE CO., INC. - AR-15/M16 EZ PULL PIVOT & TAKEDOWN PIN SET
5 Stars
(4.2)

$24.75

In stock
RADIAN WEAPONS - MODEL 1 BUILDER KIT RADIAN WEAPONS - MODEL 1 BUILDER KIT
5 Stars
(5.0)

$1,254.95 - $1,359.95

Select Items In Stock
BRAVO COMPANY - COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER™ STOCK FOR AR-15 BRAVO COMPANY - COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER™ STOCK FOR AR-15
5 Stars
(4.7)

$470.00 - $525.00

Online Only - In stock
Products:  1  –  32  of 353