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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

2,728 Items

Browse Rifle Barrels, Stocks, Triggers, Bolt Carriers & More - 2,728 Products / 323 Models

Our range of rifle parts (2,728) 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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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

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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

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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
Product badge GEISSELE AUTOMATICS LLC - SUPER 42 BRAIDED WIRE SPRING & BUFFERS GEISSELE AUTOMATICS LLC - SUPER 42 BRAIDED WIRE SPRING & BUFFERS
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$63.99 - $90.99

$85.00 - $142.00

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Product badge GEISSELE AUTOMATICS LLC - B-G2S-E BROWNELLS/GEISSELE ENHANCED 2-STAGE TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - B-G2S-E BROWNELLS/GEISSELE ENHANCED 2-STAGE TRIGGER FOR AR-15
5 Stars
(4.4)

$160.99

$179.99

In stock
Product badge GEISSELE AUTOMATICS LLC - SD-E SUPER DYNAMIC ENHANCED 2-STAGE FLAT TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - SD-E SUPER DYNAMIC ENHANCED 2-STAGE FLAT TRIGGER FOR AR-15
5 Stars
(4.8)

$217.99

$250.00

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)

$103.99 - $143.99

$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
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$129.99 - $133.99

$153.00 - $158.00

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Product badge PRECISION ARMAMENT - THREAD ADAPTER 1/2-28 TO 5/8-24 PRECISION ARMAMENT - THREAD ADAPTER 1/2-28 TO 5/8-24
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(5.0)

$22.99 - $26.99

$27.99 - $31.99

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Product badge GEISSELE AUTOMATICS LLC - SD-3G SUPER DYNAMIC 3-GUN FLAT TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - SD-3G SUPER DYNAMIC 3-GUN FLAT TRIGGER FOR AR-15
5 Stars
(5.0)

$218.99

$250.00

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Product badge PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER PRIMARY WEAPONS - BROWNELLS EXCLUSIVE MK1 ALPHA LT 223 WYLDE COMPLETE UPPER
5 Stars
(5.0)

$1,178.99

$1,349.00

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Product badge CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS
5 Stars
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$157.99 - $186.99

$184.99 - $189.99

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Product badge PRECISION ARMAMENT - THREAD ADAPTER 9/16-24 TO 5/8-24 PRECISION ARMAMENT - THREAD ADAPTER 9/16-24 TO 5/8-24
5 Stars
(4.9)

$25.99 - $29.99

$35.99

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Product badge CMMG - AR-15/M16 LOWER SPRING KIT CMMG - AR-15/M16 LOWER SPRING KIT
5 Stars
(4.3)

$10.99

$12.49

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

$22.99

$31.00

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Product badge CMMG - GUNBUILDER'S LOWER PARTS KIT FOR AR-15 LOWER CMMG - GUNBUILDER'S LOWER PARTS KIT FOR AR-15 LOWER
5 Stars
(4.6)

$31.99

$34.99

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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)

$1,132.99 - $1,271.99

$1,325.00 - $1,450.00

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Product badge GEISSELE AUTOMATICS LLC - B-GC BROWNELLS/GEISSELE COMPETITION 1-STAGE TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - B-GC BROWNELLS/GEISSELE COMPETITION 1-STAGE TRIGGER FOR AR-15
5 Stars
(4.3)

$168.99

$189.99

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Product badge CMMG - AR-15 GAS TUBE STAINLESS STEEL CMMG - AR-15 GAS TUBE STAINLESS STEEL
5 Stars
(4.7)

$13.99 - $16.99

$16.54 - $20.00

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Product badge CMMG - AR-15 FORWARD ASSIST KIT CMMG - AR-15 FORWARD ASSIST KIT
5 Stars
(5.0)

$13.99

$16.92

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Product badge GEISSELE AUTOMATICS LLC - SD-C SUPER DYNAMIC COMBAT 2-STAGE FLAT TRIGGER FOR AR-15 GEISSELE AUTOMATICS LLC - SD-C SUPER DYNAMIC COMBAT 2-STAGE FLAT TRIGGER FOR AR-15
5 Stars
(4.8)

$218.99

$250.00

In stock
Product badge GEISSELE AUTOMATICS LLC - AR-15 LOWER PARTS KIT GEISSELE AUTOMATICS LLC - AR-15 LOWER PARTS KIT
5 Stars
(3.5)

$51.99

$62.00

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Product badge CMMG - AR-15 A2 COMPENSATOR KIT 5.56MM CMMG - AR-15 A2 COMPENSATOR KIT 5.56MM
5 Stars
(5.0)

$10.99

$13.38

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Product badge CMMG - AR-15 PISTOL GRIP SCREW CMMG - AR-15 PISTOL GRIP SCREW
5 Stars
(4.5)

$0.99

$1.03

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Product badge CMMG - AR-15 HELICAL GAS RING CMMG - AR-15 HELICAL GAS RING
5 Stars
(4.8)

$2.99

$3.78

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Product badge BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED BROWNELLS - BRN-4 STRIPPED BARRELS CHROME LINED
5 Stars
(3.9)

$274.23 - $349.99

$349.99

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Product badge GEISSELE AUTOMATICS LLC - AR-15 AMBIDEXTROUS POSI-LOCK SAFETY GEISSELE AUTOMATICS LLC - AR-15 AMBIDEXTROUS POSI-LOCK SAFETY
5 Stars
(3.9)

$35.99

$42.00

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Product badge M & P - M&P AR-15 COMPLETE UPPER PARTS KIT M & P - M&P AR-15 COMPLETE UPPER PARTS KIT
5 Stars
(5.0)

$21.51

$25.99

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Product badge RUGER - TAKE DOWN SCREW RUGER - TAKE DOWN SCREW
5 Stars
(4.5)

$5.07

$7.99

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Products:  1  –  32  of 288