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AR 15 Build Kits

Looking for AR 15 Build Kits? We have thousands of rifles, handguns, and shotguns in stock. If you don't find what you are looking for on this page, check out the categories listed on the left side for more guns, ammo, and accessories.

We now sell firearms from all of the popular manufacturers including Glock, S&W, Sig Sauer, Colt, and many others. If you need a gun for personal protection, hunting, competition or just plinking, we've got it at the best price you'll find anywhere.

CMMG AR-15 Lower Parts Kit
ARR-0121
$52.93
IN STOCK at Warehouses
2,20,1,4,7,8
MAG Tactical Systems Premium Upgraded AR-15 Complete Lower Parts Kit PLPK
2-MTSPLPK
$74.82
IN STOCK at Warehouse
2
TAPCO AR-15 Commercial Receiver Extension Build Kit Aluminum Black ZAR09108
9-77449
$48.99
IN STOCK at Warehouses
2,1,8,9
TAPCO AR-15 Commercial Receiver Extension Build Kit Aluminum Black ZAR09108
8-TAPCO-ZAR09108
$40.44
IN STOCK at Warehouses
2,1,8,9
TAPCO AR-15 Commercial Receiver Extension Build Kit Aluminum Black ZAR09108
2-TINZAR09108
$41.26
IN STOCK at Warehouses
2,1,8,9
Del-Ton AR-15 M4 Build Kit Semi Auto .223 Rem/5.56 NATO 16  Barrel Collapsible Stock A2 Grip Black RKT100
7-RKT100
$461.95
IN STOCK at Warehouses
3,1,7,8
Del-Ton AR-15 M4 Build Kit Semi Auto .223 Rem/5.56 NATO 16  Barrel Collapsible Stock A2 Grip Black RKT100
8-DTI-RKT100
$451.96
IN STOCK at Warehouses
3,1,7,8
Del-Ton AR-15 M4 Build Kit Semi Auto .223 Rem/5.56 NATO 16  Barrel Collapsible Stock A2 Grip Black RKT100
3-0406566
$468.22
IN STOCK at Warehouses
3,1,7,8
DPMS Oracle 5.56 NATO / .223 Rem Complete AR-15 Rifle Kit KT-OC
8-DPMS-KTOC
$435.34
IN STOCK at Warehouses
2,8
AR-15 Lower Parts Kit Complete DPMS LPK
ARR-522
$59.97
IN STOCK at Warehouses
12,2,1,7,8
DPMS AR-15 Receiver Lower Parts Kit LPK
12-1023939
$64.12
IN STOCK at Warehouses
12,2,1,7,8
DPMS AR-15 Receiver Lower Parts Kit LPK
7-100395
$51.69
IN STOCK at Warehouses
12,2,1,7,8
DPMS AR-15 Receiver Lower Parts Kit  LPK
8-DPMS-LRPK1
$50.05
IN STOCK at Warehouses
12,2,1,7,8
DPMS AR-15 Receiver Lower Parts Kit LPK
2-DPLRPK1
$52.82
IN STOCK at Warehouses
12,2,1,7,8
Bushmaster AR-15 Standard Lower Parts Kit Mil Spec Black 93384
8-BF-93384
$55.57
IN STOCK at Warehouses
7,8
Bushmaster AR-15 Standard Lower Parts Kit Mil Spec Black 93384
7-F1009693
$53.85
IN STOCK at Warehouses
7,8
AR-15 Matched Upper Build Kit with A3  T  Marked Upper, Bolt Carrier Group and Charging Handle , Black
ARR-654
$299.97
IN STOCK at Warehouse
1
DPMS Oracle 5.56 Complete Rifle Kit Minus the Stripped Lower
2-DPKT-OC
$441.86
IN STOCK at Warehouses
2,8
FMK AR-1 Patriot AR-15 Stripped Lower Receiver Polymer Black GAR1P
6-0138386
IN STOCK at Warehouses
3,4,6,8
FMK AR-1 Patriot AR-15 Stripped Lower Receiver Polymer Black GAR1P
3-0138386
IN STOCK at Warehouses
3,4,6,8
FMK AR-1 Patriot AR-15 Stripped Lower Receiver Polymer Black GAR1P
8-FMK-GAR1E
IN STOCK at Warehouses
3,4,6,8
DPMS AP4 AR-15 Carbine Kit Complete Less Lower Reciever KT-AP4-LL
8-DPMS-KTAP4LL
$621.18
IN STOCK at Warehouse
8
FMK AR-1 Patriot AR-15 Stripped Lower Receiver Polymer Black GAR1P
12-0138386
IN STOCK at Warehouse
12
CMMG AR-15 Parts Kit Upper Pins and Springs 55AFF2F
7-55AFF2F
$10.35
IN STOCK at Warehouses
7,8
CMMG AR-15 Parts Kit Upper Pins and Springs 55AFF2F
8-CMMG-55AFF2F
$9.88
IN STOCK at Warehouses
7,8
TAPCO AR-15 Receiver Extension Tube Kit Commercial  ZAR09108
3-1031138
$51.47
IN STOCK at Warehouse
3
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
7-156555
$136.51
IN STOCK at Warehouses
11,12,2,3,6,7,9
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
6-1030385
$177.55
IN STOCK at Warehouses
11,12,2,3,6,7,9
Del-Ton AR-15 Semi Auto Rifle Kit .223 Rem/5.56 NATO 16  Barrel Lower Parts and Stock Kit Black RKT118
7-RKT118
$451.00
IN STOCK at Warehouse
7
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Grip and Six Position Collapsible Stock Aluminum Black LR102T
8-DTI-LR102
IN STOCK at Warehouses
7,8
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Grip and Six Position Collapsible Stock Aluminum Black LR102T
7-GLR102T
IN STOCK at Warehouses
7,8
FMK AR-1 Stripped Polymer AR-15 Lower Receiver Flat Dark Earth FMKGAR1EDE
3-0138387
IN STOCK at Warehouses
3,6
FMK AR-1 Stripped Polymer AR-15 Lower Receiver Flat Dark Earth FMKGAR1EDE
6-0138387
IN STOCK at Warehouses
3,6
Tactical Industries Target Master AR-15 .22 Conversion Kit 26 Round Black Dog Magazine Black Oxide Finish
ARR-590
$139.97
IN STOCK at Warehouse
1
DPMS Lite 16  AR-15 A3 Complete Rifle Kit Minus the Stripped Lower
2-DPKTA3-L16
$472.66
IN STOCK at Warehouse
2
TAPCO AR-15 Commercial Receiver Extension Tube Kit with Buffer Tube, Castle Nut, End Plate Sling Adaptor, Buffer and Recoil Spring Aluminum Black
ARR-957
$39.93
IN STOCK at Warehouses
2,1,8,9
Black Dawn AR-15 Lower Parts Kit BDR-LPK
9-100907
$109.00
IN STOCK at Warehouse
9
Core Rifle Systems AR-15 Semi Auto Lower Receiver With Lower Parts Kit And Oversized Trigger Guard Installed Black 100430
2-CORE100430
IN STOCK at Warehouse
2
Max-ops H-K Type Hook Kit 1
7-28205
$6.71
IN STOCK at Warehouses
7,8
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
12-1030385
$177.55
IN STOCK at Warehouses
11,12,2,3,6,7,9
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
11-1030385
$177.55
IN STOCK at Warehouses
11,12,2,3,6,7,9
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
9-109471
$144.85
IN STOCK at Warehouses
11,12,2,3,6,7,9
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
2-WH156555
$158.33
IN STOCK at Warehouses
11,12,2,3,6,7,9
Wheeler Delta Series AR-15 Armorer's Professional Kit 19 Piece 156555
3-1030385
$177.55
IN STOCK at Warehouses
11,12,2,3,6,7,9
Bushmaster AR-15 Complete Lower Receiver Standard Trigger ACE Skeleton Rifle Stock Aluminum Black 92960
10-0135835
IN STOCK at Warehouse
10
Fail Zero AR-15 BCG Kit No Hammer Mil-Spec EXO Technology Finish 
009-FZAR15-01-NH
2-FZ009-FZAR15-01-NH
$125.35
IN STOCK at Warehouse
2
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
3-1212506
$88.68
IN STOCK at Warehouses
10,11,12,2,3,6,9
CMMG AR-15 Rifle Length Gas Tube Kit with Pin Stainless Steel SIlver 55DA196
7-55DA196
$13.78
IN STOCK at Warehouse
7
CMMG AR-15 Mid Length Gas Tube Kit with Pin Stainless Steel SIlver 55DA1EE
7-55DA1EE
$12.97
IN STOCK at Warehouses
2,7
CMMG AR-15 Mid Length Gas Tube Kit with Pin Stainless Steel SIlver 55DA1EE
2-CMMG55DA1EE
$11.46
IN STOCK at Warehouses
2,7
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
6-1212506
$88.68
IN STOCK at Warehouses
10,11,12,2,3,6,9
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
12-1212506
$88.68
IN STOCK at Warehouses
10,11,12,2,3,6,9
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
11-1212506
$88.68
IN STOCK at Warehouses
10,11,12,2,3,6,9
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
10-1212506
$88.68
IN STOCK at Warehouses
10,11,12,2,3,6,9
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
9-109466
$70.84
IN STOCK at Warehouses
10,11,12,2,3,6,9
Wheeler AR-15 Delta Series Armorer's 7 Piece Essentials Kit with Carry Bag 156111
2-WH156111
$77.42
IN STOCK at Warehouses
10,11,12,2,3,6,9
FMK Firearms AR-15 AR1 eXtreme Stripped Lower Polymer Black AR1EXTREME
90315
IN STOCK at Warehouses
3,4,6,8
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
7-55BA22C
$93.46
IN STOCK at Warehouses
2,7
CMMG Mk4 AR-15 Upper Assembly Flat Top Aluminum Black 55BA22C
2-CMMG55BA22C
$92.21
IN STOCK at Warehouses
2,7
Windham Weaponry AR-15 Lower Receiver Parts Kit KIT-LOWER-AR
8-WW-KITLOWERAR
$66.92
IN STOCK at Warehouse
8
Daniel Defense AR-15 Lower Parts Kit with MagPul Trigger Guard 05-013-21007
2-DD05-013-21007
$99.00
IN STOCK at Warehouses
2,7
Daniel Defense AR-15 Lower Parts Kit with MagPul Trigger Guard 05-013-21007
7-DD21007
$99.00
IN STOCK at Warehouses
2,7
VLTOR EMOD AR-15 Basic EMOD Combo Stock Assembly Complete Kit Mil-Spec Black AEBKMB
7-AEBKMB
$187.10
IN STOCK at Warehouse
7
VLTOR IMOD Improved Modstock AR-15 Military Specification Clubfoot Combo Kit Black AIBK-MCB
7-AIBKMCB
$151.95
IN STOCK at Warehouse
7
Del-Ton AR-15 Carbine Completion Kit 5.56 NATO 16  Barrel 1:9  Twist A2 Flash Hider Carbine Length Gas System MOE Polymer Furniture Mil-Spec BCG/Buffer Tube Flat Dark Earth RKT100MOEDE
8-DTI-RKT100MOEDE
$499.79
IN STOCK at Warehouse
8
Del-Ton AR-15 Carbine Completion Kit 5.56 NATO 16  Barrel 1:9  Twist A2 Flash Hider Carbine Length Gas System Polymer Handguard Mil-Spec BCG M4 Butstock Mil-Spec Buffer Tube Black RKT101
8-DTI-RKT101
$451.96
IN STOCK at Warehouse
8
DRD Tactical AR-15 Stripped Lower Receiver Multi Cal Billet Aluminum Black LOWERBILAR
2-DRDLOWERBILAR
IN STOCK at Warehouses
2,4
ATI AR-15 Omni Hybrid Stripped Lower Receiver Steel Reinforced Polymer Multi Caliber Black ATIGLOW200
8-ATI-GLOW200
IN STOCK at Warehouse
8
TAPCO AR-15 Mil-Spec Complete Receiver Extension Kit Aluminum Black ZAR09106
9-77448
$53.99
IN STOCK at Warehouses
2,4,8,9
TAPCO AR-15 Mil-Spec Complete Receiver Extension Kit Aluminum Black ZAR09106
8-TAPCO-ZAR09106
$42.70
IN STOCK at Warehouses
2,4,8,9
TAPCO AR-15 Mil-Spec Complete Receiver Extension Kit Aluminum Black ZAR09106
81929
$44.12
IN STOCK at Warehouses
2,4,8,9
TAPCO AR-15 Mil-Spec Complete Receiver Extension Kit Aluminum Black ZAR09106
2-TINZAR09106
$43.58
IN STOCK at Warehouses
2,4,8,9
AR-15 Del-ton Rifle Kit Flat Top M4 Mid Length 16  1:9 Twist 5.56 Chamber Adjustable Mil Spec Stock Set Full LPK
7-RKT104
$461.95
IN STOCK at Warehouses
1,7,8
AR-15 Del-ton Rifle Kit Flat Top M4 Mid Length 16  1:9 Twist 5.56 Chamber Adjustable Mil Spec Stock Set Full LPK
ARR-706
$479.97
IN STOCK at Warehouses
1,7,8
AR-15 Del-ton Rifle Kit Flat Top M4 Mid Length 16  1:9 Twist 5.56 Chamber Adjustable Mil Spec Stock Set Full LPK
8-DTI-RKT104
$451.96
IN STOCK at Warehouses
1,7,8
M4 Rifle Kit Complete Less Lower, 16  M-4 Barrel 1x7  Twist Standard Carbine Handguards and 6 Position Stock
ARR-646
$499.97
IN STOCK at Warehouse
1
M4 Rifle Kit Complete Less Lower, 16  M-4 Barrel 1x9  Twist CAR Handguards and 6 Pos Stock
ARR-647
$499.97
IN STOCK at Warehouse
1
TAPCO INTRAFUSE AR-15 Stock Set Commercial Flat Dark Earth ZSTK09161FDE
9-107341
$134.99
IN STOCK at Warehouse
9
Max-Ops Hk Hook Kit For 1.25  2 Each Steel Hooks With Slip Locks
7-28206
$6.71
IN STOCK at Warehouses
7,8
Max-ops H-K Type Hook Kit 1
8-OC-HK28205
$6.80
IN STOCK at Warehouses
7,8
 
 
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