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AR 15 Lower Receiver Kits

Looking for AR 15 Lower Receiver 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 Receiver Parts Kit LPK
10-1030148
$70.17
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Receiver Parts Kit LPK
11-1030148
$70.17
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Receiver Parts Kit LPK
3-1030148
$70.17
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Receiver Parts Kit LPK
7-55CA6C5
$62.39
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Receiver Parts Kit LPK
2-CMMG55CA6C5
$60.04
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Receiver Parts Kit LPK
8-CMMG-55CA6C5
$61.17
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
11-1030664
$43.08
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
3-1030664
$43.08
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
6-1030664
$43.08
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
8-CMMG-55CA601
$36.77
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
7-55CA601
$37.49
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
10-1030664
$43.08
IN STOCK at Warehouses
10,11,2,3,6,7,8
CMMG AR-15 Lower Parts Kit Gun Builder Kit 55CA601
2-CMMG55CA601
$36.09
IN STOCK at Warehouses
10,11,2,3,6,7,8
DPMS AR-15 Receiver Lower Parts Kit LPK
3-1023939
$67.03
IN STOCK at Warehouses
10,11,2,3,6,8
DPMS AR-15 Receiver Lower Parts Kit LPK
6-1023939
$67.03
IN STOCK at Warehouses
10,11,2,6,8
DPMS AR-15 Receiver Lower Parts Kit  LPK
8-DPMS-LRPK1
$54.05
IN STOCK at Warehouses
10,11,2,6,8
DPMS AR-15 Receiver Lower Parts Kit LPK
10-1023939
$67.03
IN STOCK at Warehouses
10,11,2,3,6,8
DPMS AR-15 Receiver Lower Parts Kit LPK
11-1023939
$67.03
IN STOCK at Warehouses
10,11,2,3,6,8
DPMS AR-15 Receiver Lower Parts Kit LPK
2-DPLRPK1
$55.22
IN STOCK at Warehouses
10,11,2,3,6,8
Bushmaster AR-15 Standard Lower Parts Kit Mil Spec Black 93384
7-F1009693
$56.29
IN STOCK at Warehouse
7
MAG Tactical Systems Premium Upgraded AR-15 Complete Lower Parts Kit PLPK
2-MTSPLPK
$78.22
IN STOCK at Warehouse
2
Del-Ton AR-15 .223 Remington/5.56 NATO Complete Lower Receiver Less Stock Kit Anodized Aluminum Black LR101
8-DTI-LR101
$148.70
IN STOCK at Warehouse
8
Bushmaster AR-15 Complete Lower Receiver Standard Trigger ACE Skeleton Rifle Stock Aluminum Black 92960
10-0135835
$366.83
IN STOCK at Warehouses
10,12,3,8
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Grip and Six Position Collapsible Stock Aluminum Black LR102T
7-GLR102T
$226.45
IN STOCK at Warehouse
7
Del-Ton AR-15 Complete Forged Lower Receiver with A2 Stock/Grip Aluminum Black LR102-F
7-GLR102F
$226.45
IN STOCK at Warehouse
7
Stag Arms AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Black TACTLOWER
11-0129059
$278.76
IN STOCK at Warehouses
10,11,12,3,6
Stag Arms AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Black TACTLOWER
10-0129059
$278.76
IN STOCK at Warehouses
10,11,12,3,6
Stag Arms AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Black TACTLOWER
3-0129059
$278.76
IN STOCK at Warehouses
10,11,12,3,6
Stag Arms AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Black TACTLOWER
12-0129059
$278.76
IN STOCK at Warehouses
10,11,12,3,6
Stag Arms AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Black TACTLOWER
6-0129059
$278.76
IN STOCK at Warehouses
10,11,12,3,6
FMK AR-1 Patriot AR-15 Stripped Lower Receiver Polymer Black GAR1P
12-0138386
$45.54
IN STOCK at Warehouses
12,4
LBE Unlimited AR-15 Buffer Tube Kit Commercial-Spec Aluminum Black Anodized CBUFKit
2-LBCBUFKIT
$38.72
IN STOCK at Warehouses
2,1
LBE Unlimited AR-15 Buffer Tube Kit Mil-Spec Aluminum Black Anodized MBUFKIT
2-LBMILBUFKT
$43.10
IN STOCK at Warehouses
2,1
DS Arms ZM4R AR-15 Complete Lower Receiver Multi Caliber 6 Position Collapsible Stock Black ZM4R8988-A
2-DSAZM4R8988-A
$204.40
IN STOCK at Warehouse
2
ERGO Grip AR-15 Lower Receiver Spring Replacement Kit 9 Piece 4612
8-ERGO-4612
$4.27
IN STOCK at Warehouse
8
DRD Tactical AR-15 Stripped Lower Receiver Multi Cal Billet Aluminum Black LOWERBILAR
2-DRDLOWERBILAR
$266.14
IN STOCK at Warehouse
2
Black Dawn AR-15 Stripped Lower Receiver Aluminum MILS 8625 Type III Class 2 Black Anodized Finish BDR-15SL
9-100886
$106.80
IN STOCK at Warehouse
9
Black Dawn AR-15 Stripped Lower Receiver Aluminum Flat Dark Earth BDR-15SL-FDE
9-102193
$126.00
IN STOCK at Warehouse
9
ATI AR-15 Omni Hybrid Stripped Lower Receiver Steel Reinforced Polymer Multi Caliber Black ATIGLOW200
8-ATI-GLOW200
$41.94
IN STOCK at Warehouse
8
ATI Omni Hybrid AR-15 Polymer Complete Lower Receiver with Collapsible Stock Black ATIGLOW201
7-GATIGLOW201
$139.14
IN STOCK at Warehouse
7
Black Dawn AR-15 Lower Parts Kit BDR-LPK
9-100907
$103.88
IN STOCK at Warehouse
9
FMK Firearms AR-15 AR1 eXtreme Stripped Lower Polymer Black AR1EXTREME
90315
$35.22
IN STOCK at Warehouses
12,4
Windham Weaponry AR-15 Lower Receiver Parts Kit KIT-LOWER-AR
9-102145
$66.08
IN STOCK at Warehouses
4,9
DPMS AP4 AR-15 Carbine Kit Complete Less Lower Reciever KT-AP4-LL
2-DPKT-AP4-LL
$594.46
IN STOCK at Warehouses
2,8
DPMS AP4 AR-15 Carbine Kit Complete Less Lower Reciever KT-AP4-LL
8-DPMS-KTAP4LL
$649.42
IN STOCK at Warehouses
2,8
DPMS Oracle 5.56 NATO / .223 Rem Complete AR-15 Rifle Kit KT-OC
8-DPMS-KTOC
$476.62
IN STOCK at Warehouses
2,8
DPMS Oracle 5.56 Complete Rifle Kit Minus the Stripped Lower
2-DPKT-OC
$461.94
IN STOCK at Warehouses
2,8
DPMS AR15 Lower Receiver Parts Kit Two Stage Trigger Group LRPK-TS
8-DPMS-LRPKTS
$165.00
IN STOCK at Warehouse
8
Windham Weaponry AR-15 Lower Receiver Parts Kit KIT-LOWER-AR
84216
$64.37
IN STOCK at Warehouses
4,9
CMMG AR-15 Lower Receiver Parts Kit LPK
6-1030148
$70.17
IN STOCK at Warehouses
10,11,2,3,1,6,7,8
Wheeler AR-15 Receiver Link 156000
7-156000
$8.46
IN STOCK at Warehouses
7,8
CMMG AR-15 California Compliant Lower Receiver Parts Kit With Bullet Button 55CA668
9-189763
$78.15
IN STOCK at Warehouse
9
Wheeler AR-15 Receiver Link 156000
8-WH-156000
$8.74
IN STOCK at Warehouses
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
Doublestar Complete AR-15 Lower Parts Kit Mil Spec AR270
8-DSC-AR270
$68.99
IN STOCK at Warehouse
8
IO Inc Colt M16A1 Surplus Parts Kit with 100 Round Drum Magazine
8-IO-AR15100RDKIT
$344.94
IN STOCK at Warehouse
8
Spike's Tactical AR-15 Semi Automatic Complete Lower Receiver Mil Spec 6 Position Stock Color Fill Black STLC200
2-SPKSTLC200
$274.51
IN STOCK at Warehouse
2
DPMS AR-15 .308 Lower Receiver Parts Kit  LPK
2-DPLRPK308
$67.94
IN STOCK at Warehouse
2
Heckler and Koch MR556 Complete Upper Receiver Kit 235975A5
82558
$2,011.90
IN STOCK at Warehouses
4,8
CMMG .22LR Conversion Auto Sear Trip and Anti Bounce Kit Stainless Steel 22BA64D
8-CMMG-22BA64D
$29.87
IN STOCK at Warehouse
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 Warehouse
1
HK MR556A1 AR-15 Complete Upper Receiver .223 Rem/5.56 NATO 16.5  CHF Barrel Picatinny Quad Rail Flat Top Proprietary Buffer Black 235975-A5
9-98227
$2,059.96
IN STOCK at Warehouse
9
HK MR556A1 AR-15 Complete Upper Receiver .223 Rem/5.56 NATO 16.5  CHF Barrel Picatinny Quad Rail Flat Top Proprietary Buffer Black 235975-A5
8-HK-235975A5
$2,078.97
IN STOCK at Warehouses
4,8
Troy Industries M7 Complete Upgrade Kit for 5.56 Lower SM7A-CUK-00BT-01
9-71878
$1,528.46
IN STOCK at Warehouses
6,9
Troy Industries M7 Complete Upgrade Kit for 5.56 Lower SM7A-CUK-00BT-01
6-0406516
$1,454.01
IN STOCK at Warehouses
6,9
Primary Weapons Systems AR-15 Enhanced Pistol Buffer Tube Black Ambi Push Button Sling Points 4BTPSTB1
2-PWS4BTPSTB1
$141.45
IN STOCK at Warehouse
2
CMMG M10 Semi Auto Rifle 5.56 NATO 16  Barrel 30 Rounds Magpul MOE Stock and Grip Black 55AD33B
9-89658
$1,120.88
IN STOCK at Warehouse
9
CMMG M10 Semi Auto Rifle 5.56 NATO 16  Barrel 30 Rounds Magpul MOE Stock and Grip Flat Dark Earth 55AD33C
9-89660
$1,120.88
IN STOCK at Warehouse
9
CMMG M10 Semi Auto Rifle 5.56 NATO 16  Barrel 30 Rounds Collapsible Stock Black 55AD3B2
9-89663
$1,076.04
IN STOCK at Warehouse
9
 
 
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