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During the Bench Revival Sale - Save Now!

Shop Big Savings & Exclusive Offers
During the Bench Revival Sale - Save Now!

Daily Deal: Vortex AMG 1-10x Scope w/ EBR9 MRAD $3,999.99 $3,399.99 - Get Yours! 

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Small Upgrades. Major Results.
BENCH REVIVAL
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EXCLUSIVE DANIEL DEFENSE
MK18 & M4A1 STRIPPED UPPERS

RISII & RISIII Rails, Cold Hammer Forged Barrels
& Legendary Daniel Defense Quality
Explore The Uppers
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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 Now!
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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!
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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
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Rifle Receivers & Parts

345 Items

Rifle Receivers & Parts — 345 Products In Stock / 107 Models

Our Rifle Receivers & Parts selection features 345 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.

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Products:  1  –  32  of 648
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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
FIGHTLITE INDUSTRIES - MCR BELT-FED UPPER RECEIVER FULL AUTO FIGHTLITE INDUSTRIES - MCR BELT-FED UPPER RECEIVER FULL AUTO
5 Stars
(4.8)

$5,799.99

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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
BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22® BROWNELLS - BRN-22 STRIPPED RECEIVER FOR RUGER® 10/22®
5 Stars
(4.2)

$102.65 - $149.99

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)

$1,325.00 - $1,450.00

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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)

$899.99 - $949.99

In stock
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)

$1,199.99

In stock
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
CMMG - AR-15 BUFFER RETAINER CMMG - AR-15 BUFFER RETAINER
5 Stars
(5.0)

$2.35 - $2.95

In stock
VOLQUARTSEN - 10/22® RECOIL BUFFER PIN VOLQUARTSEN - 10/22® RECOIL BUFFER PIN
5 Stars
(4.2)

$12.38

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

$31.00

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

$0.99 - $2.99

In stock
VOLQUARTSEN - RUGER® 10/22® BOLT RELEASE VOLQUARTSEN - RUGER® 10/22® BOLT RELEASE
5 Stars
(4.6)

$12.38

In stock
SPIKES TACTICAL - STRIPPED LOWER RECEIVER II NO-LOGO FOR AR-15 SPIKES TACTICAL - STRIPPED LOWER RECEIVER II NO-LOGO FOR AR-15
5 Stars
(0.0)

$96.99

In stock
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MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15 MAGPUL - ENHANCED EJECTION PORT COVERS FOR AR-15
5 Stars
(4.1)

$11.49 - $16.10

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 ZERMATT ARMS - TL3 SHORT ACTION RECEIVER ZERMATT ARMS - TL3 SHORT ACTION RECEIVER
5 Stars
(5.0)

$1,300.00

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KIDD INNOVATIVE DESIGN - RECEIVER CROSS PINS FOR RUGER 10/22 KIDD INNOVATIVE DESIGN - RECEIVER CROSS PINS FOR RUGER 10/22
5 Stars
(0.0)

$8.00

In stock
BROWNELLS - BRN-180® SPRING KIT BROWNELLS - BRN-180® SPRING KIT
5 Stars
(4.0)

$19.99

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

$19.00

In stock
AMERICAN DEFENSE MANUFACTURING - AR-15 UIC STRIPPED LOWER AMBI RECEIVER AMERICAN DEFENSE MANUFACTURING - AR-15 UIC STRIPPED LOWER AMBI RECEIVER
5 Stars
(4.6)

$399.99

Online Only - In stock
GEISSELE AUTOMATICS LLC - ULTRA DUTY CHECKERED TAKEDOWN PIN SET GEISSELE AUTOMATICS LLC - ULTRA DUTY CHECKERED TAKEDOWN PIN SET
5 Stars
(0.0)

$28.00

In stock
PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 GEN III 5.56X45 NATO UPPER RECEIVER PRECISION REFLEX, INC. - AR-15 MK12 MOD 0 GEN III 5.56X45 NATO UPPER RECEIVER
5 Stars
(0.0)

$1,709.00 - $1,729.00

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

$399.99 - $429.99

Select Items In Stock
CMMG - AR-15 PIVOT PIN DETENTS CMMG - AR-15 PIVOT PIN DETENTS
5 Stars
(5.0)

$10.00

In stock
PHASE 5 TACTICAL - AR-15 EBR V3 EXTENDED BOLT RELEASE PHASE 5 TACTICAL - AR-15 EBR V3 EXTENDED BOLT RELEASE
5 Stars
(4.8)

$54.99

In stock
PRIMARY WEAPONS - MK1 MOD 2-M STRIPPED AMBIDEXTROUS LOWER RECEIVER PRIMARY WEAPONS - MK1 MOD 2-M STRIPPED AMBIDEXTROUS LOWER RECEIVER
5 Stars
(5.0)

$319.95

In stock
B5 SYSTEMS - AR-15 QD END PLATE B5 SYSTEMS - AR-15 QD END PLATE
5 Stars
(5.0)

$19.00

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

In stock
KIDD INNOVATIVE DESIGN - BOLT BUFFER FOR RUGER 10/22 KIDD INNOVATIVE DESIGN - BOLT BUFFER FOR RUGER 10/22
5 Stars
(3.4)

$10.22

In stock
Products:  1  –  32  of 648