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LIMITED EDITION
BRN-180® SCNR
TIGER STRIPE
Only 50 Build Kits Available
When They're Gone, They're Gone
Save $300 W/ Code!
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Important NFA Update
NEW GUIDANCE
FOR SILENCERS
Now In Effect
See Local Laws & Guidelines
Before Purchasing.
 
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Brownells
BRN®-180 SCNR
IS BACK IN STOCK
You've been waiting. Don't miss out again.
Brownells
BRN®-180
SCNR
Back In Stock
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Back In Stock!
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SMALLER.
LIGHTER.
STRONGER.
Meet the New
LAW FOLDER GEN S
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Brownells Exclusive
DANIEL DEFENSE
MK18 & M4A1
STRIPPED UPPERS
 
Featuring RIS II & RIS III rails, cold hammer forged barrels & legendary Daniel Defense quality.
Explore The Uppers

Rifle Parts

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Rifle Parts - 2,607 Products / 319 Models

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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)

$27.99

$34.99

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

$1.89 - $2.39

$2.35 - $2.95

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Product badge RISE ARMAMENT - AR-15 ANTI-WALK TRIGGER PINS RISE ARMAMENT - AR-15 ANTI-WALK TRIGGER PINS
5 Stars
(5.0)

$11.99

$14.99

In stock
Product badge CMMG - M16 FIRING PIN RETAINER CMMG - M16 FIRING PIN RETAINER
5 Stars
(4.9)

$0.79

$0.91

In stock
Product badge CMMG - AR-15 PIVOT PIN DETENT SPRING CMMG - AR-15 PIVOT PIN DETENT SPRING
5 Stars
(5.0)

$0.89

$1.03

In stock
Product badge CMMG - AR-15 PISTOL GRIP WASHER CMMG - AR-15 PISTOL GRIP WASHER
5 Stars
(5.0)

$0.89

$1.03

In stock
Product badge RISE ARMAMENT - AR-15 LOWER RECEIVER PARTS KIT RISE ARMAMENT - AR-15 LOWER RECEIVER PARTS KIT
5 Stars
(4.6)

$35.99

$44.99

In stock
Product badge CMMG - AR-15 PIVOT PIN DETENTS CMMG - AR-15 PIVOT PIN DETENTS
5 Stars
(5.0)

$7.99

$10.00

In stock
Product badge CMMG - AR-15 Ejection Cover Hinge Pin Snap Ring CMMG - AR-15 Ejection Cover Hinge Pin Snap Ring
5 Stars
(5.0)

$1.19

$1.38

In stock
Product badge CMMG - AR-15 HAMMER TRIGGER PIN CMMG - AR-15 HAMMER TRIGGER PIN
5 Stars
(5.0)

$2.29

$2.83

In stock
Product badge RISE ARMAMENT - OH SH#T SPARE PARTS KIT FOR AR-15 RISE ARMAMENT - OH SH#T SPARE PARTS KIT FOR AR-15
5 Stars
(5.0)

$12.79

$15.99

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

$3.09

$3.78

In stock
Product badge CMMG - AR-15 LOWER PARTS KIT CMMG - AR-15 LOWER PARTS KIT
5 Stars
(4.1)

$45.59

$56.99

In stock
Product badge CMMG - AR-15 PARTS KIT HD PIVOT & TAKEDOWN PINS CMMG - AR-15 PARTS KIT HD PIVOT & TAKEDOWN PINS
5 Stars
(4.8)

$15.09

$18.85

In stock
Product badge CMMG - AR-15 PS90 THREAD ADAPTER CMMG - AR-15 PS90 THREAD ADAPTER
5 Stars
(0.0)

$49.59

$61.99

In stock
Product badge CMMG - AR-15 MIL-SPEC TRIGGER KIT CMMG - AR-15 MIL-SPEC TRIGGER KIT
5 Stars
(3.3)

$26.39

$32.99

In stock
Product badge RISE ARMAMENT - AR-15 UPPER RECEIVER PARTS KIT RISE ARMAMENT - AR-15 UPPER RECEIVER PARTS KIT
5 Stars
(0.0)

$27.99

$34.99

In stock
Product badge CMMG - AR-15 BOLT CATCH PLUNGER CMMG - AR-15 BOLT CATCH PLUNGER
5 Stars
(5.0)

$1.49

$1.86

In stock
Product badge CMMG - AR-15 SAFETY SELECTOR CMMG - AR-15 SAFETY SELECTOR
5 Stars
(4.8)

$22.79

$28.46

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

$9.99

$12.49

In stock
Product badge CMMG - FIRING PIN FOR AR-15 CMMG - FIRING PIN FOR AR-15
5 Stars
(0.0)

$7.69

$9.54

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

$13.59

$16.92

In stock
Product badge RISE ARMAMENT - M16 BOLT CARRIER GROUP NICKEL BORON RISE ARMAMENT - M16 BOLT CARRIER GROUP NICKEL BORON
5 Stars
(5.0)

$143.99

$179.99

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

$0.89

$1.03

In stock
Product badge CMMG - AR-15 MAGAZINE CATCH AMBIDEXTROUS CMMG - AR-15 MAGAZINE CATCH AMBIDEXTROUS
5 Stars
(4.7)

$26.79

$33.46

In stock
Product badge CMMG - AR-15 BARREL NUT CMMG - AR-15 BARREL NUT
5 Stars
(5.0)

$9.19

$11.38

In stock
Product badge CMMG - M16 EXTRACTOR PIN CMMG - M16 EXTRACTOR PIN
5 Stars
(5.0)

$1.49

$1.86

In stock
Product badge CMMG - AR-15 STANDARD MIL-SPEC CAM PIN CMMG - AR-15 STANDARD MIL-SPEC CAM PIN
5 Stars
(5.0)

$5.49

$6.79

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

$13.29 - $18.08

$16.54 - $20.00

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Product badge CMMG - AR-15/M16 EJECTION PORT COVER KIT WITH GAS DEFLECTOR CMMG - AR-15/M16 EJECTION PORT COVER KIT WITH GAS DEFLECTOR
5 Stars
(3.5)

$11.89

$14.77

In stock
Product badge CMMG - AR-15 EJECTION PORT COVER KIT CMMG - AR-15 EJECTION PORT COVER KIT
5 Stars
(5.0)

$7.69

$9.54

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

$147.99 - $207.99

$184.99 - $259.95

Select Items In Stock
Products:  1  –  32  of 138

Our range of rifle parts (2,607) and AR15 Parts provides everything you need to maintain, repair, or customize your rifle for any purpose.  View all our Gun Parts.