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EXCLUSIVE DANIEL DEFENSE
MK18 & M4A1 STRIPPED UPPERS

RISII & RISIII Rails, Cold Hammer Forged Barrels
& Legendary Daniel Defense Quality
$749.99 This Week!
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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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MIDWEST INDUSTRIES

Serious Gear For Serious Shooters

Shop Midwest Industries
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THE BETTER HALF
OF YOUR BRN-180®

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

Rifle Parts

2,677 Items

Browse Rifle Barrels, Stocks, Triggers, Bolt Carriers & More - 2,677 Products / 323 Models

Our range of rifle parts (2,677) and AR15 Parts provides everything you need to maintain, repair, or customize your rifle for any purpose.

We have rifle barrels for precision shooting, stocks for added stability, triggers to enhance control, and bolt carriers for reliable cycling. With options tailored for various rifle platforms, you’ll find the right components to improve rifle's performance.

Shop trusted brands like BROWNELLS, AERO PRECISION, COLT, and MAGPUL and take advantage of savings Up To 80% Off on rifle parts built for quality and reliability. View all our Gun Parts.

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LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER
5 Stars
(5.0)

$269.99

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

$749.99

$899.99

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

$749.99

$899.99

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

$749.99

$899.99

In stock
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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
LMT DEFENSE - FLARE LAUNCHER LMT DEFENSE - FLARE LAUNCHER
5 Stars
(5.0)

$1,516.50

In stock
Product badge GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY RIFLE BUILD KIT 5.56MM GEISSELE AUTOMATICS LLC - AR-15 SUPER DUTY RIFLE BUILD KIT 5.56MM
5 Stars
(4.8)

$1,545.99 - $1,658.99

$1,711.99 - $1,834.99

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
(2.9)

$1,199.99

In stock
Product badge GEISSELE AUTOMATICS LLC - SSA-E X 2-STAGE TRIGGER WITH LIGHTNING BOW® FOR AR-15 GEISSELE AUTOMATICS LLC - SSA-E X 2-STAGE TRIGGER WITH LIGHTNING BOW® FOR AR-15
5 Stars
(4.4)

$239.99

$335.00

In stock
Product badge GEISSELE AUTOMATICS LLC - SSA-E SUPER SEM-AUTOMATIC ENHANCED 2-STAGE TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - SSA-E SUPER SEM-AUTOMATIC ENHANCED 2-STAGE TRIGGER FOR AR-15
5 Stars
(4.9)

$174.99

$245.00

In stock
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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
SUREFIRE - SOCOM 4 PRONG AR-15/M16 5.56MM FLASH HIDER SUREFIRE - SOCOM 4 PRONG AR-15/M16 5.56MM FLASH HIDER
5 Stars
(4.7)

$179.00

In stock
BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME BROWNELLS - BRN-4® BOLT CARRIER GROUP PHOSPHATE & CHROME
5 Stars
(4.2)

$349.99

In stock
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HOWA - M1500 6.5 CREEDMOOR BARRELED ACTION HOWA - M1500 6.5 CREEDMOOR BARRELED ACTION
5 Stars
(4.5)

$552.31

Online Only - In stock
RADIAN WEAPONS - AR-15 AMBIDEXTROUS RAPTOR-LT CHARGING HANDLE WITH TALON SAFETY RADIAN WEAPONS - AR-15 AMBIDEXTROUS RAPTOR-LT CHARGING HANDLE WITH TALON SAFETY
5 Stars
(5.0)

$129.95

In stock
Product badge GEISSELE AUTOMATICS LLC - SUPER 42 BRAIDED WIRE SPRING & BUFFERS GEISSELE AUTOMATICS LLC - SUPER 42 BRAIDED WIRE SPRING & BUFFERS
5 Stars
(5.0)

$60.99 - $85.99

$85.00 - $142.00

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DANIEL DEFENSE - M16 5.56 BOLT CARRIER GROUP DANIEL DEFENSE - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.9)

$235.00

In stock
BROWNELLS - AR-15 HEAVY CARBINE BUFFERS BROWNELLS - AR-15 HEAVY CARBINE BUFFERS
5 Stars
(4.8)

$40.14 - $112.69

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REDMAN'S - .22 CALIBER RIMFIRE BARREL LINERS REDMAN'S - .22 CALIBER RIMFIRE BARREL LINERS
5 Stars
(4.9)

$39.99 - $139.99

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RADIAN WEAPONS - AR-15 RAPTOR-SD CHARGING HANDLE 5.56 RADIAN WEAPONS - AR-15 RAPTOR-SD CHARGING HANDLE 5.56
5 Stars
(4.9)

$134.95 - $139.95

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)

$1,290.99 - $1,291.99

$1,525.00

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DIE FREE CO - PLUG FOR KUNG FU GRIP DIE FREE CO - PLUG FOR KUNG FU GRIP
5 Stars
(5.0)

$11.99

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
DIE FREE CO - KUNG FU GRIP FOR AR15 / M4 RIFLE GRIP DIE FREE CO - KUNG FU GRIP FOR AR15 / M4 RIFLE GRIP
5 Stars
(4.7)

$18.00

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BROWNELLS - BRN-22 TAKEDOWN STRIPPED RECEIVER FOR RUGER 10/22® BROWNELLS - BRN-22 TAKEDOWN STRIPPED RECEIVER FOR RUGER 10/22®
5 Stars
(4.4)

$169.99

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)

$100.99 - $139.99

$133.00 - $197.00

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Product badge GEISSELE AUTOMATICS LLC - AR-15 ULTRA DUTY LOWER PARTS KITS GEISSELE AUTOMATICS LLC - AR-15 ULTRA DUTY LOWER PARTS KITS
5 Stars
(5.0)

$123.99 - $127.99

$153.00 - $158.00

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COLT - AR15A4 UPPER RCVR, FLATTOP, MOD. CARB COLT - AR15A4 UPPER RCVR, FLATTOP, MOD. CARB
5 Stars
(4.3)

$129.99

In stock
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AMERICAN DEFENSE MANUFACTURING - UIC-180 STRIPPED LOWER AMBIDEXTROUS RECEIVER AMERICAN DEFENSE MANUFACTURING - UIC-180 STRIPPED LOWER AMBIDEXTROUS RECEIVER
5 Stars
(5.0)
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Online Only - In stock
LMT DEFENSE - MARS-H SOPMOD COMPLETE LOWER RECEIVER LMT DEFENSE - MARS-H SOPMOD COMPLETE LOWER RECEIVER
5 Stars
(0.0)

$1,363.50

Online Only - In stock
BREEK ARMS - AR-15 WARHAMMER MOD2 AMBIDEXTROUS CHARGING HANDLE BREEK ARMS - AR-15 WARHAMMER MOD2 AMBIDEXTROUS CHARGING HANDLE
5 Stars
(4.7)

$49.95 - $119.99

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SUPERLATIVE ARMS LLC - AR-15 SOLID ADJUSTABLE GAS BLOCK SUPERLATIVE ARMS LLC - AR-15 SOLID ADJUSTABLE GAS BLOCK
5 Stars
(5.0)

$89.99 - $188.99

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Products:  1  –  32  of 3911