800-741-0015

Live Chat

Live Chat

Brownells 75th Anniversary - A Shooting Heritage
Menu
Menu

Sub Categories

Narrow By…

View All Filters

300.00 TO 799.99, AR-15 Rifle Parts

(200 items)
  • then GO
  • Grid View List View
AR-15 9MM UPPER RECEIVERS M-LOK ASSEMBLED

FOXTROT MIKE PRODUCTS

(In Stock)

$379.99 - $429.99

4.9 (34)
6MM ARC COMPLETE UPPER RECEIVER GROUPS

AERO PRECISION

(In Stock)

$749.99 - $799.99

4.3 (6)
M4 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$549.99 - $969.99

4.5 (21)
14.5" M4 SOCOM Barrel Assembly with Sight Tower

COLT

(In Stock)

$246.99 - $349.99

3.7 (20)
AR-15 KP-15 COMPLETE LOWER RECEIVERS AMBIDEXTROUS POLYMER

KE ARMS LLC

(In Stock)

$449.99

4.8 (6)
AR-15 BARREL 5.56MM NATO HEAVY PROFILE

COLT

(In Stock)

$399.99

5.0 (3)
AR-15 M4A1 5.56 BARREL 14.5IN

COLT

(In Stock)

$261.99 - $338.99

0.0
AR-15 BOLT CARRIER GROUP LIGHTWEIGHT ADJUSTABLE

2A ARMAMENT

(In Stock)

$312.99

5.0 (1)
AR DIAMOND TRIGGERS

TRIGGERTECH

(In Stock)

$299.99 - $319.99

5.0 (4)
BRN-4 STRIPPED LOWER RECEIVER

BROWNELLS

(In Stock)

$399.99

4.6 (9)
AR-15 LE6920 5.56 BARREL 16IN

COLT

(In Stock)

$246.99 - $384.99

0.0
AR-15 FM-45 COMPLETE UPPER RECEIVERS

FOXTROT MIKE PRODUCTS

(In Stock)

$379.99 - $439.99

4.7 (5)
AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER™ STOCK

BRAVO COMPANY

(In Stock)

$395.00 - $395.99

4.4 (12)
AR-15 STREAMLINE HANDGUARDS FREE FLOAT M-LOK

FAXON FIREARMS

(In Stock)

$312.99 - $360.99

5.0 (1)
AR-15 458 SOCOM BARREL

BROWNELLS

(In Stock)

$319.99

2.0 (3)
AR-15 LOWER RECEIVER SEMI COMPLETE

SONS OF LIBERTY GUN WORKS

(In Stock)

$345.99

5.0 (1)
AR6720 UPPER RECEIVER GROUP LIGHTWEIGHT BARREL

COLT

(In Stock)

$639.99

0.0
AR-15 CARBON FIBER BARRELS 223 WYLDE

PROOF RESEARCH, INC

(In Stock)

$799.99

5.0 (2)
AR-15 COMPLETE LOWER RECEIVER W/ SBA3 PISTOL BRACE

BRAVO COMPANY

(In Stock)

$498.99

5.0 (2)
AR-15 RAS HANDGUARD FREE FLOAT

KNIGHTS ARMAMENT

(In Stock)

$325.99 - $512.99

5.0 (2)
AR-15/M16 HYBRID RIFLE BARRELS

CRITERION BARRELS INC

(In Stock)

$390.99

0.0
AR-15/M16 MK 4 SUPER MODULAR RAILS, M-LOK

GEISSELE AUTOMATICS LLC

(In Stock)

$250.99 - $325.99

4.9 (6)
AR-15 SUPERMATCH BARRELS .224 VALKYRIE

J P ENTERPRISES

(In Stock)

$339.00 - $389.00

4.0 (1)
AR-15 BFSIII TRIGGER

FRANKLIN ARMORY

(In Stock)

$386.99 - $390.99

4.6 (18)
AR-15 CQB STOCK STANDARD BUFFER & SPRING

MAXIM DEFENSE INDUSTRIES

(In Stock)

$339.99

0.0
AR-15/M16 MK 8 SUPER MODULAR RAILS, M-LOK

GEISSELE AUTOMATICS LLC

(In Stock)

$256.99 - $325.99

4.7 (4)
AR-15 224 VALKYRIE HEAVY FLUTED BARRELS

FAXON FIREARMS

(In Stock)

$341.99 - $360.99

2.0 (1)
AR-15/M16 HBAR RIFLE BARRELS

CRITERION BARRELS INC

(In Stock)

$349.99

5.0 (1)
AR-15 5.56 LOW MASS COMPLETE BOLT CARRIER GROUPS

J P ENTERPRISES

(In Stock)

$335.99 - $342.99

5.0 (3)
AR-15 COMPLETE LOWER RECEIVER W/ BCMGUNFIGHTER SOPMOD STOCK

BRAVO COMPANY

(In Stock)

$395.00 - $395.99

5.0 (3)
M4E1 ASSEMBLED UPPER RECEIVER 5.56 MID-LENGTH

AERO PRECISION

(In Stock)

$474.99 - $499.99

4.0 (1)
RIFLE SKELETON CARBINE STOCK WITH CHEEK RISER

MODULAR DRIVEN TECHNOLOGIES

(In Stock)

$349.95

5.0 (2)
AR-15 DROP-IN ECHO TRIGGER

FOSTECH OUTDOORS, LLC.

(In Stock)

$483.99

4.0 (12)
M16 5.56 TITANIUM BOLT CARRIER GROUP DLC

BROWNELLS

(In Stock)

$319.99

3.8 (5)
KE-9 BILLET MIL-SPEC COMPLETE LOWER RECEIVER 9MM

KE ARMS LLC

(In Stock)

$399.95

0.0
M4 ENHANCED PATOL RIFLE 5.56 UPPER RECEIVER GROUPS

COLT

(In Stock)

$779.99 - $1,215.99

0.0
AR-15/M16 ARMORER'S SMALL PARTS KIT

BROWNELLS

(In Stock)

$599.99

4.0 (2)
AR-15 SUPER SELECT-FIRE SOPMOD TRIGGER

GEISSELE AUTOMATICS LLC

(In Stock)

$405.99

5.0 (1)
BLADE HANDGUARD WOVEN CARBON FIBER LIGHTWEIGHT

BRIGAND ARMS LLC

(In Stock)

$242.99 - $350.99

0.0
AR-15 ENHANCED LIGHTWEIGHT BARREL ASSEMBLY KITS

BRAVO COMPANY

(In Stock)

$342.99 - $349.99

4.0 (3)
KE-9 BILLET COMPLETE LOWER RECEIVER W/ DROP-IN TRIGGER 9MM

KE ARMS LLC

(In Stock)

$599.95

0.0
AR-15 MK14 SUPER MODULAR RAIL HANDGUARD

GEISSELE AUTOMATICS LLC

(In Stock)

$250.99 - $325.99

3.7 (3)
AR-15/M16 223 WYLDE MATCH BARRELS

WHITE OAK ARMAMENT

(In Stock)

$275.00 - $370.00

4.6 (45)
AR-15 LE6933 5.56 BARREL 11.5IN

COLT

(In Stock)

$246.99 - $323.99

5.0 (1)
AR-15/M16 5.56 HAMMER FORGED BARRELS

DANIEL DEFENSE

(In Stock)

$275.99 - $332.99

5.0 (12)
AR-15 SLH M-LOK ASSEMBLED UPPER RECEIVER

MIDWEST INDUSTRIES, INC.

(In Stock)

$535.99

3.0 (2)
AR-15/M16 FREE FLOAT RAS

KNIGHTS ARMAMENT

(In Stock)

$362.99

4.3 (3)
AR-15 FM-9 9MM BUILD KITS

FOXTROT MIKE PRODUCTS

(In Stock)

$369.99 - $419.00

4.8 (3)
AR-15 M4CQB 5.56 BARREL 10.3IN

COLT

(In Stock)

$246.99 - $307.99

0.0
308 AR TITANIUM BOLT CARRIER GROUP DLC

BROWNELLS

(In Stock)

$399.99

3.0 (1)
AR-15 M5 RIFLE RAS HANDGUARD

KNIGHTS ARMAMENT

(In Stock)

$316.99

5.0 (1)
AR-15 ATLAS HANDGUARD FREE FLOAT CARBON FIBER WEAVE

BRIGAND ARMS LLC

(In Stock)

$251.99 - $359.99

0.0
AR-15/M16 URX III & 3.1 FORENDS

KNIGHTS ARMAMENT

(In Stock)

$301.99

5.0 (2)
AR-15 A1 COMPLETE UPPER RECEIVER 5.56 PISTON

WOLF

(In Stock)

$539.99

3.7 (3)
M4 UPPER RECEIVER 5.56 SOCOM BARREL

COLT

(In Stock)

$629.99

0.0
AR-15 MATCH BARRELS 223 WYLDE FLAME FLUTED

FAXON FIREARMS

(In Stock)

$280.99 - $308.99

3.5 (4)
AR-15 URX 4 M-LOK HANDGUARDS

KNIGHTS ARMAMENT

(In Stock)

$284.99 - $302.99

0.0
AR-15 SD MOD 5 9MM UPPER RECEIVERS M-LOK COMPLETE

STERN DEFENSE, LLC

(In Stock)

$470.99 - $486.99

5.0 (1)
AR-15 BARREL CARBON FIBER 45ACP 1-16 TWIST

BSF BARRELS

(In Stock)

$341.55 - $436.55

0.0
AR-15 CARBON BLACK EDGE HANDGUARDS M-LOK

BRIGAND ARMS LLC

(In Stock)

$229.99 - $309.99

3.5 (2)
AR-15/M16 MATCH BARREL/BOLT SET

SHILEN

(In Stock)

$480.00

4.8 (13)
AR-15 450 BUSHMASTER BARREL STAINLESS STEEL

BROWNELLS

(In Stock)

$319.99

4.7 (3)
AR-15 FM-9 COMPLETE MONOLITHIC COLT STYLE UPPER RECEIVER 9MM

FOXTROT MIKE PRODUCTS

(In Stock)

$375.99 - $434.99

4.4 (10)
AR-15 BARREL CARBON FIBER 223 WYLDE 1-8 TWIST

BSF BARRELS

(In Stock)

$569.99

5.0 (2)
M4E1 ASSEMBLED UPPER RECEIVER .300 BLACKOUT BLACK

AERO PRECISION

(In Stock)

$444.99 - $509.99

0.0
AR-15 SUPER SNIPER BARREL 223 WYLDE

WILSON COMBAT

(In Stock)

$284.95 - $304.95

0.0
AR-15/M16 CARBON FIBER 16" BARREL

CHRISTENSEN ARMS

(In Stock)

$546.99

4.5 (2)
AR-15 SD MOD 4 9MM UPPER RECEIVER 4IN M-LOK COMPLETE

STERN DEFENSE, LLC

(In Stock)

$429.99

5.0 (1)
AR-15 MK16 SUPER MODULAR RAILS M-LOK

GEISSELE AUTOMATICS LLC

(In Stock)

$300.00 - $325.00

0.0
KE-15 FORGED COMPLETE LOWER RECEIVER W/ SELECTOR 5.56MM

KE ARMS LLC

(In Stock)

$399.95

0.0
M16 BOLT CARRIER GROUP TITANIUM

RUBBER CITY ARMORY

(In Stock)

$370.99

5.0 (3)
AR-15 MODEL 1 BILLET UPPER & MLOK HANDGUARD SET

RADIAN WEAPONS

(In Stock)

$458.99

0.0
AR-15 BARREL CARBON FIBER 6.5 GRENDEL RIFLE GAS SYSTEM 1-8 TWIST

BSF BARRELS

(In Stock)

$569.99

5.0 (5)
AR-15 COMPLETE LOWER RECEIVER W/ A5 BUFFER & BCMGUNFIGHTER STOCK

BRAVO COMPANY

(In Stock)

$444.99

0.0
AR-15/ 308 AR STAINLESS STEEL BARRELS

PROOF RESEARCH, INC

(In Stock)

$459.99 - $479.99

5.0 (1)
HI-SPEED NATIONAL MATCH TRIGGER SET, LARGE PIN

GEISSELE AUTOMATICS LLC

(In Stock)

$350.99

5.0 (2)
M16 FULL AUTO TRIGGERS

CMC TRIGGERS

(In Stock)

$300.99

0.0
M4E1 ASSEMBLED UPPER RECEIVER 10.5" 5.56MM CARBINE LENGTH

AERO PRECISION

(In Stock)

$439.99 - $444.99

5.0 (2)
AR-15 UPPER RECEIVER LITHIUM ALUMINUM

V SEVEN WEAPON SYSTEMS

(In Stock)

$338.99

0.0
AR-15 2-STAGE MATCH TRIGGER

KNIGHTS ARMAMENT

(In Stock)

$332.99

4.0 (1)
AR-15/M16 DDM4 HANDGUARDS

DANIEL DEFENSE

(In Stock)

$347.99 - $375.99

0.0
AR-15 RAIL INTERFACE SYSTEM II

DANIEL DEFENSE

(In Stock)

$418.99

5.0 (4)
AR-15 BARRELS 6.5 CREEDMOOR HEAVY PROFILE

FAXON FIREARMS

(In Stock)

$379.99 - $407.99

3.5 (2)
AR-15 SD MOD 4 9MM UPPER RECEIVER M-LOK COMPLETE

STERN DEFENSE, LLC

(In Stock)

$544.99

5.0 (1)
AR-15 LCH5 HANDGUARD CARBON FIBER FREE FLOAT FULL TOP RAIL

LANCER SYSTEMS

(In Stock)

$199.99 - $289.99

0.0
.22LR BARREL & BOLT GROUP KIT M4

CMMG

(In Stock)

$336.99

5.0 (1)
KAK SHOCKWAVE PISTOL BRACE & LAW TACTICAL FOLDING STOCK ADAPTER

BROWNELLS

(In Stock)

$364.99 - $372.99

4.0 (2)
M4E1-T ATLAS R-ONE COMPLETE UPPER RECEIVERS 10.5" 5.56MM

AERO PRECISION

(In Stock)

$434.99 - $464.99

0.0
AR-15 AMBIDEXTROUS LOWER RECEIVER 5.56 BLACK

RADIAN WEAPONS

(In Stock)

$351.99

4.7 (3)
AR-15 MATCH GRADE BARRELS 300 HAM'R

WILSON COMBAT

(In Stock)

$249.95

5.0 (2)
M16 R0901 5.56 COMPLETE UPPER RECEIVER GROUPS

COLT

(In Stock)

$529.99 - $729.99

0.0
AR-15 CTR STOCK COLLAPSIBLE MIL-SPEC W/ FOLDING STOCK ADAPTER

BROWNELLS

(In Stock)

$304.99

0.0
AR-15/M16 M4 UPPER RECEIVER

SPIKES TACTICAL

(In Stock)

$625.99

4.7 (3)
AR-15 RELIABILITY ENHANCEMENT KITS

GEISSELE AUTOMATICS LLC

(In Stock)

$325.00 - $359.00

0.0
AR-15 PREMIUM BARRELS 6.5 GRENDEL STAINLESS STEEL

BALLISTIC ADVANTAGE

(In Stock)

$251.99 - $308.99

5.0 (1)
A4 9MM UPPER RECEIVER

ROCK RIVER ARMS

(In Stock)

$692.99

5.0 (2)