AR Lower Parts Kits

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LPK Kit, Lower Receiver Parts, AR-15/M4/M16 Semi-Auto

$59.95$69.95

100% Made in USA.Kit Includes:Pistol GripPistol Grip ScrewPistol Grip Lock WasherBuffer RetainerBuff..

5 for $29.95 CARBINE LENGTH Chrome Silicon Recoil Buffer Spring, AR-15 M4

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5 for $29.95 CARBINE LENGTH Chrome Silicon Recoil Buffer Spring, AR-15 M4

$29.95$64.75

Five (5) Count of SpringsFor AR-15 / M4 Carbine:Made in the USA and 100% quality inspected by hand f..

AR-15/M4 2pc Carbine Buffer & Enhanced Chrome Silicon Recoil Spring Combo

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AR-15/M4 2pc Carbine Buffer & Enhanced Chrome Silicon Recoil Spring Combo

$17.95$34.95

AR-15/M4 2pc Buffer & Enhanced Spring ComboCarbine Standard Buffer, 3oz PinnedEnhanced Chr..

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AR15/M4/M16 Kit, 36pc Builder's Small Parts Pack

$16.95$34.95

Small Parts Pack for AR15/M4/M16 PlatformsAll Parts Made in USA1 Delta Slip Ring Spring1 Delta Snap ..

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AR15/M4 Kit, LPK Lower Receiver Parts, AR-15 Semi-Auto, w/o Pistol Grip and Trigger Guard

$49.95$65.95

AR15/M4 Lower Parts Kit26pc Kit Includes:Buffer RetainerBuffer Retainer SpringDisconnectorDisconnect..

5pc Kit, Complete Receiver Extension, Mil-Spec AR-15 M4 Carbine

$49.95

AR15/M4 Buffer Tube KitKit includes:• Mil-spec receiver extension (6 position) 7075 Aluminum, Hardco..

AR-15/ M4 2pc Buffer & Stainless Steel Carbine Spring Combo

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AR-15/ M4 2pc Buffer & Stainless Steel Carbine Spring Combo

$15.95$24.95

AR-15 M4 2pc Buffer & Spring ComboCarbine Standard Buffer, 3oz PinnedCarbine Length Stainl..

AR15/M4 USGI 4pc Sliding Stock Pin/Nut/Spring Kit

$6.95

AR15/M4 USGI 4pc Sliding Stock Pin/Nut/Spring Kit Includes:- Locking Pin, Steel, Mag Phosphate- Lock..

2Pc Combo A2 Pistol Grip & Buttstock, AR15 M4 Carbine W/QD Mount, Mil-Spec, Black

$44.95

2PC Combo Includes:M4 USGI Sliding Buttstock AssemblyBlack Molded Polymer ConstructionAdjustable, Fi..

4pc Kit, ECS Buttstock, Spring, Tube, Nut- Comm Coyote/FDE

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4pc Kit, ECS Buttstock, Spring, Tube, Nut- Comm Coyote/FDE

$79.95$125.95

Enhanced Combat System Buttstock Kit Includes:1 x ECS Buttstock, Commercial Spec, Battery Stor..

5pc Kit, AR15 M4 Enhanced, Complete Receiver Extension, Chrome Silicon Spring, QD End plate, Castle Nut

$69.95

AR15/M4 Kit Includes: Mil-Spec receiver extension (6 position Buffer Tube) 7075 aluminum, Hardcoat A..

5pc Nickel Teflon Parts Kit AR15 M4 M16 5.56/.223

$12.95

Nickel Teflon KitAR15 M4 M16 (A1-A4) 5.56/.223 Compatible Parts Kit Includes:1- Cam Pin1- Selector D..

6pc AR15/M4/M16 Takedown & Pivot Pins & Springs Kit

$8.95

6pc AR15/M4/M16 Compatible Kit Includes:1 Takedown Pin1 Pivot Pin2 Springs (Takedown & Pivot Pin..

8 Pcs Kit, Complete Buttstock, M4 Telescoping, Mil-Spec

$95.95

Mil-Spec, made in the USA.Kit includes:• M4 telescoping buttstock w/Quick Detach Ambi Socket• Mil-sp..

9pc OD Green Buttstock Pistol Grip Kit M4/AR15

$103.95

Kit includes:M4 telescoping buttstock w/Sling Loop in OD GreenA2 Pistol Grip in OD GreenPistol Grip ..

AR15 M4 Castle Nut & End Plate 2pc Combo Mil-Spec

$9.95

AR-15 & M4 Platforms Castle Nut & End Plate Combo Includes:1 - Castle NutThreaded..

AR15 M4 USGI 5pc Sliding Stock Lever Replacement Kit

$9.95

BACK IN STOCKUSGI M4/AR15 Adjustable Stock Lever Replacement Kit, Mil-SpecKit Includes:- Release Lev..

AR15/M16 Rifle Length Buffer Kit, Mil-Spec w/Enhanced Chrome Silicon Spring

$59.95

Kit Includes: Rifle-Length Receiver Extension/Buffer TubeMil-Spec 6061 T6 Aluminum with a hard coat..

Sale

AR15/M4 5pc Pistol Buffer Tube Kit w/QD Socket, Chrome Silicon Spring OD, Black

$34.95$74.95

AR15/M4 Pistol Tube Kit Includes: (1) Receiver Extension Buffer Tube, 1.19" Pistol W/Quick Deta..

AR15/M4 5pc Sliding Stock Lever Replacement Kit, Knurled

$9.95

M4/AR15 Adjustable Stock Lever Replacement Kit, Knurled Includes:- Release Lever, Black Polymer, Knu..

AR15/M4 Carbine H2 Buffer Upgrade Kit, 4pc EnhancedChrome Silicon Recoil Spring, Buffer, Detent/Spring

$55.95

AR15/M4 Platforms, Including Pistol BuildsH2 Buffer Upgrade Kit includes:H2 Buffer, Mil-Spec 4.7 ozE..

AR15/M4 Castle Nut & End Plate Combo Enhanced QD Socket STEEL or ALUM

$25.95

Now Available in Choice of Steel or AluminumAR15/M4 Castle Nut & End Plate Combo Enhanced Quick ..

AR15/M4 ECS Stock & Furniture Kit, Commercial Spec, 6pc Coyote Tan Mil FDE

$119.95

AR15/M4 Enhanced Combat System Stock & Furniture Kit.US Military's Coyote Tan coordinates with ..

AR15/M4 Kit, 3pc Selector Assembly

$14.95

AR-15/M4 Standard Selector KitIncludesSelector x 1 (Black Oxide finish)Selector Detent x 1Selector D..

AR15/M4 Spring Kit - Hammer/Trigger Springs & Pins

$6.95

Mil-spec, made in USAIncludesTrigger Spring x 1Hammer Spring x 1Disconnector Spring x 1Trigger/Hamme..

AR15/M4 Spring Kit Lower Receiver 9pc

$9.95

Mil-spec, made in USAIncludesHammer Spring x 1Trigger Spring x 1Magazine Catch Spring x 1Selector De..

Enhanced Combat Stock & Grip Kit, Coyote Commercial

$94.95

* Easy Drop-in Installation, fits Commercial Buffer Tubes* Full length storage compartments hold bat..

Kit, 3pc Magazine Catch Assembly AR15/M16/M4

$12.95

AR15/M4/M16 Magazine Catch KitIncludesMagazine catch x 1Magazine catch button x 1Magazine catch spri..

Kit, Buffer Retainer & Spring

$2.25

AR15 M4 M16 (A1-A4) Buffer Retainer and Buffer Retainer Spring kitBuffer Retainer: Steel with Mag Ph..

Kit, Hammer & Trigger Disconnector Group AR15/M4 8pc

$47.95

AR15 M4 Semi Auto Hammer Trigger KitKit includes:• Hammer• Hammer Spring• Trigger• Trigger Spring• D..

LPK Kit, Lower Receiver Parts, AR-15/M4 Semi-Auto, w/o Fire Control - 18pc

$48.95

AR15/M4 Lower Receiver Parts Kit W/O Hammer/Trigger/Disconnector18pc Parts Kit Includes:SelectorSele..

Kit, Bolt Catch Assembly AR15/M4/M16

$12.95

Made in USA.IncludesBolt Catch x 1Bolt Catch Roll Pin x 1Bolt Catch Plunger, Black Oxide x 1Bolt Cat..

Kit, Hammer Assembly AR15/M4 Semi

$22.95

Semi-Auto, AR15 Hammer Kit Includes:Mil-Spec Dimensions, 8620 Alloy Steel, Black Oxide HammerMil-Spe..

Enhanced Combat System Furniture Kit, Commercial Spec, Foliage Green

$116.95

Available in Foliage Green, Coyote, and FDE 30118.ECS Stock* Drop-in Installation on M4 receive..

Kit, Trigger 3pc Assembly Kit AR15/M4

$22.95

Kit Includes:Mil-Spec TriggerMil-Spec Trigger SpringMil-Spec Trigger PinAll Made in the USA..

AR-15/M4 Pin, Detent & Clip 20pc Kit

$39.95

Made in USA.Includes:Upper:Post, Front SightDetent, Front Sight PostPin, Gas TubePin, Firing Pin Ret..

AR-15/M4 Spring Kit, Complete

$14.95

Every single spring you'll need for an AR-15/M4. Made in USA.Includes:Barrel:Spring, Front Sight Det..