800-741-0015

Live Chat

Live Chat

Brownells 75th Anniversary - A Shooting Heritage
Menu
Menu

Sub Categories

Narrow By…

View All Filters

30.00 TO 79.99, Available Outside USA, New, AR-15, Receiver Parts

(130 items)
  • then GO
  • Grid View List View
AR-15 CARBINE BUFFER KITS

AERO PRECISION

(In Stock)

$49.99 - $79.99

4.9 (11)
AR-15/M16 MIL-SPEC BUFFER TUBE ASSEMBLY

BROWNELLS

(In Stock)

$59.99

4.6 (17)
AR-15 LOWER GUNBUILDER'S LOWER PARTS KIT

CMMG

(In Stock)

$39.99

4.6 (20)
AR-15 GI LOWER PARTS KIT

KE ARMS LLC

(In Stock)

$59.99

0.0
AR-15 RATCHET CASTLE NUT QD END PLATE SET

PRIMARY WEAPONS

(In Stock)

$34.95

4.6 (13)
AR-15 LOWER PARTS KIT

CMMG

(In Stock)

$68.99 - $71.99

3.6 (13)
AR-15 HEAVY CARBINE BUFFERS

BROWNELLS

(In Stock)

$23.99 - $42.99

4.7 (10)
AR-15/M16 BUFFER TUBE ASSEMBLY

BROWNELLS

(In Stock)

$59.99

4.8 (8)
SUPER 42 BRAIDED WIRE SPRING & BUFFER

GEISSELE AUTOMATICS LLC

(In Stock)

$66.99

5.0 (17)
AR-15/M16 A1 RIFLE BUFFER TUBE ASSEMBLY

BROWNELLS

(In Stock)

$64.99

4.3 (8)
AR-15 MIL-SPEC CARBINE BUFFER ASSEMBLY PACKAGE

LUTH-AR LLC

(In Stock)

$49.99

5.0 (3)
AR-15 RECEIVER SMALL PARTS KIT

WILSON COMBAT

(In Stock)

$49.95

0.0
AR-15 BUFFER TUBE ASSEMBLY

LUTH-AR LLC

(In Stock)

$49.99

5.0 (2)
AR-15 LOWER PARTS KIT 5.56

BROWNELLS

(In Stock)

$41.99

3.0 (28)
AR-15 ENHANCED BUFFERS CARBINE BLACK

PRIMARY WEAPONS

(In Stock)

$39.95 - $84.99

5.0 (2)
AR-15 GUN BUILDERS LOWER PARTS KITS STAINLESS .223/5.56

ARMASPEC

(In Stock)

$51.99

3.7 (3)
AR-15 M4E1 LOWER PARTS KITS W/ MOE GRIP

AERO PRECISION

(In Stock)

$74.99

4.3 (3)
AR-15 RIFLE BUFFER TUBE KIT

BROWNELLS

(In Stock)

$64.99

4.1 (7)
AR-15 80% LOWER RECEIVER BLACK ANODIZED

ANDERSON MANUFACTURING

(In Stock)

$63.99

3.2 (6)
AR-15/CAR-15/ 308 AR STAINLESS STEEL SPRINGS

DAVID TUBB

(In Stock)

$27.99 - $30.99

4.5 (24)
AR-15/M16 ENHANCED PIN SETS

BATTLE ARMS DEVELOPMENT INC.

(In Stock)

$29.99 - $40.99

4.5 (12)
AR-15 LOWER PARTS KIT

GEISSELE AUTOMATICS LLC

(In Stock)

$49.00

3.7 (24)
AR-15 BUFFER TUBE

BROWNELLS

(In Stock)

$33.99

0.0
458 SOCOM STRIPPED UPPER RECEIVER

ANDERSON MANUFACTURING

(In Stock)

$73.99

5.0 (1)
AR-15 COMMERCIAL CARBINE BUFFER ASSEMBLY PACKAGE

LUTH-AR LLC

(In Stock)

$46.99

0.0
AR-15 MAGAZINE RELEASE TITANIUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$37.99 - $44.99

3.0 (1)
AR-15/M16 CARBINE RECOIL BUFFERS

SPIKES TACTICAL

(In Stock)

$35.99 - $43.99

5.0 (27)
AR-15 LOWER PARTS KIT

CRITICAL CAPABILITIES LLC

(In Stock)

$41.99 - $47.99

4.0 (31)
AR-15 CASTLE NUT TITANIUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$29.99 - $33.99

0.0
AR-15 STRIPPED LOWER RECEIVER

ANDERSON MANUFACTURING

(In Stock)

$58.99

4.8 (36)
AR-15/M16 ENHANCED REPAIR KIT

CMMG

(In Stock)

$38.99

4.0 (2)
AR-15/M16 A2 RIFLE BUFFER TUBE ASSEMBLY

BROWNELLS

(In Stock)

$64.99

4.5 (10)
AR-15 DOUBLE TUNGSTEN H2 BUFFER

LUTH-AR LLC

(In Stock)

$41.99

0.0
AR-15 80% LOWER RECEIVER

ANDERSON MANUFACTURING

(In Stock)

$62.99

4.1 (15)
AR-15 BILLET ULTIMATE DUST COVER 223

STRIKE INDUSTRIES

(In Stock)

$33.99 - $35.99

5.0 (1)
AR-15 FREEDOM FIGHTER FIXED MAGAZINE CONVERSION REFILL KIT

HOGUE

(In Stock)

$38.99

0.0
AR-15 LOWER PARTS KIT

CMC TRIGGERS

(In Stock)

$40.99

3.3 (6)
AR-15 ENHANCED MAGAZINE RELEASE AMBIDEXTROUS

FORWARD CONTROLS DESIGN LLC

(In Stock)

$66.50

0.0
AR-15 9MM BUFFER KIT

ANGSTADT ARMS, LLC

(In Stock)

$64.99

4.3 (3)
AR-15 STAINLESS LOWER PARTS KITS .223/5.56

ARMASPEC

(In Stock)

$56.99

5.0 (1)
AR-15 SURVIVAL KIT

CMMG

(In Stock)

$65.99

0.0
AR-15 MAGAZINE RELEASE AMBIDEXTROUS EXTENDED

KE ARMS LLC

(In Stock)

$69.99

0.0
AR-15 80% POLYMER LOWER RECEIVER & JIG KIT

POLYMER80

(In Stock)

$68.99 - $75.99

2.8 (20)
AR ENHANCED LOWER RECEIVER PARTS KIT

STRIKE INDUSTRIES

(In Stock)

$47.95 - $67.95

3.5 (7)
CARBINE H2 HEAVY BUFFER

COLT

(In Stock)

$47.99 - $62.99

4.0 (4)
AR15A4 RECEIVER EXTENSION

COLT

(In Stock)

$69.99

4.0 (1)
AR-15 ULTRA-LIGHT FORWARD ASSIST

V SEVEN WEAPON SYSTEMS

(In Stock)

$28.99

0.0
AR-15 TRIPLE TUNGSTEN H3 BUFFER

LUTH-AR LLC

(In Stock)

$52.99

0.0
AR-15 ULTRA-LIGHT EJECTION PORT COVER

V SEVEN WEAPON SYSTEMS

(In Stock)

$33.99

4.4 (5)
AR-15/M16 MIL-SPEC BUFFER TUBE

BRAVO COMPANY

(In Stock)

$39.99

4.0 (2)
CAR-15/M4 9MM CARBINE BUFFER

ROCK RIVER ARMS

(In Stock)

$37.99

3.3 (3)
AR-15 45 ACP BUFFER KIT

ANGSTADT ARMS, LLC

(In Stock)

$64.99

0.0
AR-15 PISTOL LENGTH RECEIVER EXTENSON

CMMG

(In Stock)

$62.79

0.0
AR-15 FM-45 HEAVY BUFFER

FOXTROT MIKE PRODUCTS

(In Stock)

$36.99

5.0 (1)
AR-15/M16 NON-ROTATING PIN SET

KNS PRECISION, INC.

(In Stock)

$30.99 - $31.99

4.7 (21)
AR-15 ENHANCED CARBINE BUFFER KITS

AERO PRECISION

(In Stock)

$54.99 - $84.99

5.0 (2)
AR-15 BLASTER GUTS LOWER PARTS KITS

SONS OF LIBERTY GUN WORKS

(In Stock)

$39.99 - $114.99

4.5 (5)
AR-15 HEAVY CARBINE BUFFER ASSEMBLY

LUTH-AR LLC

(In Stock)

$30.99

0.0
AR-15 RIFLE RECEIVER EXTENSION TUBE

BROWNELLS

(In Stock)

$39.99

4.5 (8)
AR-15/M16 AMBIDEXTROUS MAGAZINE RELEASE

TROY INDUSTRIES, INC.

(In Stock)

$58.00

4.3 (12)
AR CARBINE LENGTH PISTOL RECEIVER EXTENSION BUFFER TUBE

STRIKE INDUSTRIES

(In Stock)

$43.95 - $44.95

3.0 (1)
ADVANCED RECEIVER EXTENSION BUFFER TUBE

STRIKE INDUSTRIES

(In Stock)

$44.95 - $46.95

5.0 (2)
AR-15 LOWER RECEIVER PARTS KIT

RISE ARMAMENT

(In Stock)

$37.99

5.0 (1)
AR-15/M16 MAGAZINE WELL

ARREDONDO

(In Stock)

$45.99

3.7 (7)
AR .308 MK3 CARBINE BUFFER ASSEMBLY

CMMG

(In Stock)

$38.95

0.0
AMBIDEXTROUS MAGAZINE RELEASE

STRIKE INDUSTRIES

(In Stock)

$33.95 - $35.95

2.8 (4)
AR-15 RECEIVER EXTENSION KIT

CMMG

(In Stock)

$76.99

0.0
AR-15/M16 LOW-MASS RECOIL BUFFER

J P ENTERPRISES

(In Stock)

$56.99

0.0
AR-15/M16 MK9 9MM BOLT REHAB KIT

CMMG

(In Stock)

$53.99

0.0
AR-15/M16 MIL-SPEC BUFFER TUBE

VLTOR WEAPON SYSTEMS

(In Stock)

$46.99

4.4 (9)
AR-15/M16 BOLT REHAB KIT

CMMG

(In Stock)

$36.99

3.0 (1)
AR-15 ALTERNATE 5 SPRING PACK FOR JPSCS-15

J P ENTERPRISES

(In Stock)

$37.99

0.0
AR-15 BUILDER KIT

LUTH-AR LLC

(In Stock)

$35.99

4.5 (2)
AR-15/M16 AMBI MAGAZINE RELEASE ASSEMBLY

KNIGHTS ARMAMENT

(In Stock)

$63.99

4.5 (6)
AR-15 RECEIVER EXTENSIONS

CMMG

(In Stock)

$39.95 - $40.09

0.0
AR-15 EJECTION PORT COVER TITANIUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$55.99

0.0
AR-15 RECEIVER EXTENSION

CMMG

(In Stock)

$42.99

0.0
AR-15 LOWER PARTS KIT

LUTH-AR LLC

(In Stock)

$56.99

4.6 (5)
AR-15 QD ENDPLATE & CASTLE NUT COMBO TITANIUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$58.99 - $67.99

5.0 (2)
AR-15/M16 STRIPPED UPPER RECEIVER

AERO PRECISION

(In Stock)

$79.99 - $89.99

3.8 (54)
AR-15/M16 A5 MIL-SPEC BUFFER TUBE

VLTOR WEAPON SYSTEMS

(In Stock)

$49.99

5.0 (2)
AR-15/M16 A5 SPRING KIT

VLTOR WEAPON SYSTEMS

(In Stock)

$56.99

5.0 (1)
ADJUSTABLE BUFFER

ODIN WORKS INC.

(In Stock)

$14.99 - $60.99

5.0 (2)
AR-15/M16 LOWER RECEIVER GUNSMITH SPRING KIT

STRIKE INDUSTRIES

(In Stock)

$75.00

0.0
AR-15 QD ENDPLATE TITANIUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$35.99

0.0
AR-15 INVESTMENT CAST ENHANCED LOWER PARTS KIT

BATTLE ARMS DEVELOPMENT INC.

(In Stock)

$33.99

0.0
AR6721 RECEIVER EXTENSION

COLT

(In Stock)

$54.99

5.0 (3)
AR-15 SUPER-STOC RETRO-FIT BUTTSTOCK KIT

WILSON COMBAT

(In Stock)

$51.95

0.0
AR-15 END PLATE W/ 3-QD SLING SWIVEL SOCKETS STEEL

FORWARD CONTROLS DESIGN LLC

(In Stock)

$55.10

0.0
AR15A4 FORWARD ASSIST ASSEMBLY

COLT

(In Stock)

$30.99

5.0 (1)
AR-15 STRIPPED XL UPPER RECEIVER

AERO PRECISION

(In Stock)

$79.99

5.0 (1)
AR-15 CQB STOCK REPLACMENT BUFFERS & SPRINGS

MAXIM DEFENSE INDUSTRIES

(In Stock)

$37.99

0.0
AR-15 MILITARY MIL-SPEC BUFFER TUBE ASSEMBLY PACKAGE

ADVANCED TECHNOLOGY

(In Stock)

$59.99

5.0 (1)
AR-15/M16 22LR BOLT REHAB KIT

CMMG

(In Stock)

$31.99

5.0 (1)
AR-15 SLOPED QUICK DISCONNECT END PLATE

PHASE 5 TACTICAL

(In Stock)

$39.99

0.0
AR-15 M4 STRIPPED UPPER RECEIVER BLACK

BROWNELLS

(In Stock)

$69.99

4.4 (26)