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Rifle Parts

2,761 Items

Browse Rifle Barrels, Stocks, Triggers, Bolt Carriers & More - 2,761 Products / 322 Models

Our range of rifle parts (2,761) 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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Products:  65  –  96  of 3884
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LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER LAW TACTICAL LLC - GEN-S AR FOLDING STOCK ADAPTER
5 Stars
(4.9)

$269.99

In stock
DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER DANIEL DEFENSE - MK18 STRIPPED SOCOM UPPER RECEIVER
5 Stars
(4.4)

$899.99

In stock
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)

$1,711.99 - $1,834.99

In stock
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)

$1,525.00

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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

In stock
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
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
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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BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP BROWNELLS - M16 MIL-SPEC MP BOLT CARRIER GROUP
5 Stars
(4.5)

$135.42

In stock
LUTH-AR LLC - AR-15 GAS TUBE ROLL PIN LUTH-AR LLC - AR-15 GAS TUBE ROLL PIN
5 Stars
(4.9)

$1.29

In stock
BRAVO COMPANY - AR-15/M16 QUICK DETACH RECEIVER END PLATE BRAVO COMPANY - AR-15/M16 QUICK DETACH RECEIVER END PLATE
5 Stars
(5.0)

$16.95

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

$235.00

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

In stock
Product badge 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)

$1,029.99

$1,199.99

In stock
Product badge MAGPUL - CTR® COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15 MAGPUL - CTR® COLLAPSIBLE MIL-SPEC CARBINE STOCK FOR AR-15
5 Stars
(4.9)

$49.99 - $61.70

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

$153.00 - $158.00

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CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS CMMG - AR-15/M16 22LR BRAVO CONVERSION KITS
5 Stars
(4.5)

$184.99 - $189.99

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Product badge HOWA - M1500 6.5 CREEDMOOR BARRELED ACTION HOWA - M1500 6.5 CREEDMOOR BARRELED ACTION
5 Stars
(4.5)

$448.99

$552.31

Online Only - In stock
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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CMMG - M16 FIRING PIN RETAINER CMMG - M16 FIRING PIN RETAINER
5 Stars
(4.8)

$0.91

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 - AR-15/M16 MIL-SPEC BUFFER TUBE 6 POSITION BROWNELLS - AR-15/M16 MIL-SPEC BUFFER TUBE 6 POSITION
5 Stars
(4.6)

$29.58

In stock
BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP BRAVO COMPANY - M16 5.56 BOLT CARRIER GROUP
5 Stars
(4.4)

$211.26 - $225.00

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

$34.99

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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REMINGTON - REAR SIGHT ASSEMBLY FOR REMINGTON 700 MAGNUM REMINGTON - REAR SIGHT ASSEMBLY FOR REMINGTON 700 MAGNUM
5 Stars
(0.0)

$20.99

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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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 MAGPUL - MOE-K2® GRIP FOR AR-15/M4 MAGPUL - MOE-K2® GRIP FOR AR-15/M4
5 Stars
(4.8)

$15.99 - $19.90

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

$11.99

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 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 - M-LOK BCMGUNFIGHTER SHORT VERTICAL GRIP BRAVO COMPANY - M-LOK BCMGUNFIGHTER SHORT VERTICAL GRIP
5 Stars
(4.5)

$18.95

In stock
SONS OF LIBERTY GUN WORKS - CASTLE NUT FOR AR-15 SONS OF LIBERTY GUN WORKS - CASTLE NUT FOR AR-15
5 Stars
(5.0)

$10.44

In stock
BROWNELLS - BRN-22® BOLT ASSEMBLY BROWNELLS - BRN-22® BOLT ASSEMBLY
5 Stars
(4.8)

$99.10 - $139.99

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

$1.03

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 - MVG® M-LOK® VERTICAL GRIP MAGPUL - MVG® M-LOK® VERTICAL GRIP
5 Stars
(4.6)

$15.99 - $21.80

In stock
BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP BROWNELLS - M16 5.56 LIGHTWEIGHT BOLT CARRIER GROUP
5 Stars
(4.5)

$142.14

In stock
SONS OF LIBERTY GUN WORKS - GAS BLOCK SET SCREW FOR AR-15 SONS OF LIBERTY GUN WORKS - GAS BLOCK SET SCREW FOR AR-15
5 Stars
(4.6)

$4.99

In stock
AMERICAN DEFENSE MANUFACTURING - UIC-180 STRIPPED LOWER AMBIDEXTROUS RECEIVER AMERICAN DEFENSE MANUFACTURING - UIC-180 STRIPPED LOWER AMBIDEXTROUS RECEIVER
5 Stars
(5.0)
Add to cart to see price

Online Only - In stock
BROWNELLS - AR-15/M16 RECEIVER END PLATE BROWNELLS - AR-15/M16 RECEIVER END PLATE
5 Stars
(5.0)

$2.28

In stock
HOWA - M1500 300 AAC BLACKOUT HEAVY THREADED BARREL MINI ACTION HOWA - M1500 300 AAC BLACKOUT HEAVY THREADED BARREL MINI ACTION
5 Stars
(5.0)

$567.69

Online Only - 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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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

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HOWA - 1500 308 WINCHESTER HEAVY VARMINT THREADED BARRELED ACTION HOWA - 1500 308 WINCHESTER HEAVY VARMINT THREADED BARRELED ACTION
5 Stars
(4.9)

$552.31

Online Only - 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/M16 LOWER SPRING KIT CMMG - AR-15/M16 LOWER SPRING KIT
5 Stars
(4.3)

$12.49

In stock
MAGPUL - MBUS PRO® FLIP-UP FRONT SIGHT FOR AR-15 MAGPUL - MBUS PRO® FLIP-UP FRONT SIGHT FOR AR-15
5 Stars
(3.8)

$79.99

In stock
MAGPUL - MOE K2+® GRIP FOR AR15/M4 MAGPUL - MOE K2+® GRIP FOR AR15/M4
5 Stars
(4.9)

$17.99 - $20.99

In stock
J P ENTERPRISES - ENHANCED EJECTOR KIT WITH SPRING AND ROLL PIN J P ENTERPRISES - ENHANCED EJECTOR KIT WITH SPRING AND ROLL PIN
5 Stars
(5.0)

$8.50 - $12.30

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

$1.86

In stock
BROWNELLS - AR-15/M16 BOLT GAS RINGS BROWNELLS - AR-15/M16 BOLT GAS RINGS
5 Stars
(4.6)

$1.99 - $7.99

In stock
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 - $35.99

In stock
SUREFIRE - FAST-ATTACH HUB SUPPRESSOR MUZZLE ADAPTER SUREFIRE - FAST-ATTACH HUB SUPPRESSOR MUZZLE ADAPTER
5 Stars
(0.0)

$269.00

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BRAVO COMPANY - M-LOK BCMGUNFIGHTER KAG ANGLED GRIP BRAVO COMPANY - M-LOK BCMGUNFIGHTER KAG ANGLED GRIP
5 Stars
(4.8)

$18.95

In stock
FIGHTLITE INDUSTRIES - MCR DUAL-FEED 5.56X45 NATO UPPER RECEIVER FIGHTLITE INDUSTRIES - MCR DUAL-FEED 5.56X45 NATO UPPER RECEIVER
5 Stars
(0.0)
Add to cart to see price

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

$12.38

In stock
BRAVO COMPANY - AR-15 MOD-3 GUNFIGHTER GRIP BRAVO COMPANY - AR-15 MOD-3 GUNFIGHTER GRIP
5 Stars
(4.6)

$19.95

In stock
FAXON FIREARMS - MATCH 300 BLACKOUT GUNNER CONTOUR RIFLE BARRELS FOR AR-15 FAXON FIREARMS - MATCH 300 BLACKOUT GUNNER CONTOUR RIFLE BARRELS FOR AR-15
5 Stars
(5.0)

$170.20 - $179.40

In stock
BROWNELLS - LONG TRIGGERGUARD SCREWS BROWNELLS - LONG TRIGGERGUARD SCREWS
5 Stars
(3.9)

$8.20 - $16.99

In stock
Product badge MAGPUL - AFG® ANGLED FORE GRIP W/M-LOK® MAGPUL - AFG® ANGLED FORE GRIP W/M-LOK®
5 Stars
(4.9)

$18.99 - $25.60

In stock
RADIAN WEAPONS - AR-15 RAPTOR-LT CHARGING HANDLE 5.56 RADIAN WEAPONS - AR-15 RAPTOR-LT CHARGING HANDLE 5.56
5 Stars
(4.8)

$79.95 - $84.95

In stock
MAGPUL - MBUS PRO® FLIP-UP SIGHT SET FOR AR-15 MAGPUL - MBUS PRO® FLIP-UP SIGHT SET FOR AR-15
5 Stars
(5.0)

$169.99

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

$1.32

In stock
BROWNELLS - AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY BROWNELLS - AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY
5 Stars
(4.5)

$54.99

In stock
GEISSELE AUTOMATICS LLC - SUPER CHARGING HANDLES GEISSELE AUTOMATICS LLC - SUPER CHARGING HANDLES
5 Stars
(4.7)

$110.00 - $120.00

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

$27.99 - $31.99

In stock
HOWA - 1500 308 WIN 20" THREADED HEAVY BARRELED ACTION HOWA - 1500 308 WIN 20" THREADED HEAVY BARRELED ACTION
5 Stars
(4.7)

$552.31

Online Only - In stock
SPRINCO USA - AR-15 BOLT & GAS RINGS SPRINCO USA - AR-15 BOLT & GAS RINGS
5 Stars
(5.0)

$2.89 - $8.49

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BROWNELLS - AR-15  1/2" CRUSH WASHER BROWNELLS - AR-15 1/2" CRUSH WASHER
5 Stars
(3.2)

$1.99

In stock
ARMASPEC - ANTI-WALK TRIGGER/HAMMER PINS W/ KEYS ARMASPEC - ANTI-WALK TRIGGER/HAMMER PINS W/ KEYS
5 Stars
(5.0)

$10.79

In stock
MAGPUL - MOE® ENHANCED TRIGGER GUARD FOR AR-15/M16 MAGPUL - MOE® ENHANCED TRIGGER GUARD FOR AR-15/M16
5 Stars
(5.0)

$9.45

In stock
SONS OF LIBERTY GUN WORKS - GAS TUBES FOR AR-15 SONS OF LIBERTY GUN WORKS - GAS TUBES FOR AR-15
5 Stars
(4.8)

$19.00

In stock
BROWNELLS - AR-15 FIRING PIN RETAINING PIN BROWNELLS - AR-15 FIRING PIN RETAINING PIN
5 Stars
(5.0)

$3.99

In stock
GEISSELE AUTOMATICS LLC - AR-15 PREMIUM BUFFER TUBES MIL-SPEC GEISSELE AUTOMATICS LLC - AR-15 PREMIUM BUFFER TUBES MIL-SPEC
5 Stars
(5.0)

$68.00 - $80.00

In stock
BRAVO COMPANY - AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY BRAVO COMPANY - AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY
5 Stars
(4.8)

$61.95

In stock
RISE ARMAMENT - AR-15 RA-140 RAVE SUPER SPORTING TRIGGER RISE ARMAMENT - AR-15 RA-140 RAVE SUPER SPORTING TRIGGER
5 Stars
(4.3)

$139.99 - $149.99

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
Products:  65  –  96  of 3884