Your shopping cart is empty!
Lower Parts
AR15 Lower Receiver Parts
-
Product DescriptionConstructed of Cation Electrodeposition coated steel, these drums reliably feed 75 rounds of 7.62x39mmthrough its central tower. Featuring a hinged lid with a two latch system for rear loading, they can be stored at full capacity indefinitely without tension. Disclaimer: Lifetime ..Product DescriptionConstructed of Cation Electrodeposition coated s...$99.95 -
HEXMAG, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Red Follower and Latch Plate, Carbon Fiber, Dark Grey30 - Round CapacityPrecise ManufacturingLong Term ReliabilityDurable ConstructionHigh CapacityProduct DescriptionHigh quality components and precise manufacturing make Hexmag idea..HEXMAG, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles,...$16.95
-
AR-15 / AR-10 BLACKHAWK KNOXX BUTTSTOCK/ MIL-SPEC / Burnt BronzeButtstock designed for you! The Adjustable Carbine Buttstock has precision fit at your disposal .Includes:AR-15 M4 Blackhawk Knoxx Collapsible Mil-spec StockFinish: Cerakote Burnt BronzeMaterial: Reinforced PolymerQD Sli..AR-15 / AR-10 BLACKHAWK KNOXX BUTTSTOCK/ MIL-SPEC / Burnt Bro...$39.95 -
Manufacturer: KCIModel: AR-15 100 Round Drum MagazineCALIBER: 5.56Large/High Capacity Magazine Restrictions: Large/high capacity magazines are not legal in all areas of the U.S. Please be aware of your local laws prior to ordering.Orders with prohibited items shipping to areas that ..Manufacturer: KCIModel: AR-15 100 Round Drum MagazineCAL...$169.99 -
DURAMAG, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Black Anti-tilt AGF Follower, Aluminum, BlackProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme environments, vulnerable to changes in humidity, and unable to retain shape ..DURAMAG, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles...$17.95 -
HEXMAG, Magazine, Series 2, 223 Rem/556NATO, 30Rd, Fits AR Rifles, BlackPRODUCT SPECIFICATIONSUPC Code: 085992200706Manufacturer: HEXMAGManufacturer Part #: HX30-AR15S2-BLKType: MagazineModel: Series 2Caliber: 556NATOCaliber: 223 RemingtonCapacity: 30RdFinish/..HEXMAG, Magazine, Series 2, 223 Rem/556NATO, 30Rd, Fits AR Rifles, ...$14.95 -
AR-15 Magpul PMAG 30 Round 5.56x45/.223 Magazine. The PMAG 30 AR/M4 GEN M2 MOE is a 30-round 5.56x45 NATO (.223 Remington) AR15/M4 compatible magazine that offers a cost competitive upgrade from the aluminum USGI. It features an impact resistant polymer construction, easy to disassemble design with ..AR-15 Magpul PMAG 30 Round 5.56x45/.223 Magazine. The PMAG 30 AR/M4...$15.95 -
DURAMAG, DuraMag SS, Magazine, 6.5 Grendel, 20 Rounds, Fits AR Rifles, Blue AGF Anti-tilt Follower, Stainless Steel, BlackProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme environments, vulnerable to changes in humidity, and unable to retai..DURAMAG, DuraMag SS, Magazine, 6.5 Grendel, 20 Rounds, Fits AR Rifl...$29.99 -
DURAMAG, DuraMag SS, Magazine, 224 Valkyrie/6.8 SPC, 20 Rounds, Fits AR Rifles, Gray AGF Anti-tilt Follower, Stainless Steel, BlackProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme environments, vulnerable to changes in humidity, and unable..DURAMAG, DuraMag SS, Magazine, 224 Valkyrie/6.8 SPC, 20 Rounds, Fit...$29.99 -
AR-15 7.62x39 ASC 30 Round Magazine. Made in U.S.A. Technical Information Caliber: 7.62x39 Capacity: 30-Rounds Metal Jacket, BlackFits AR platformLarge/High Capacity Magazine Restrictions: Large/high capacity magazines are not legal in all areas of the U.S. Please be aware of your local ..AR-15 7.62x39 ASC 30 Round Magazine. Made in U.S.A. Technical In...$27.95 -
DURAMAG, DuraMag Speed, Magazine, 300 Blackout, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Black Anti-Tilt AFG follower, Aluminum, Desert GoldProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme environments, vulnerable to changes in hu..DURAMAG, DuraMag Speed, Magazine, 300 Blackout, 223 Remington/556NA...$18.95 -
AR-15 Duramag 30Rd / Aluminum / OD GreenDURAMAG, DuraMag Speed, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Black AGF Anti-tilt Follower, Aluminum, Olive Drab GreenProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme envi..AR-15 Duramag 30Rd / Aluminum / OD GreenDURAMAG, DuraMag Spee...$18.95 -
AR-15 DURAMAG 30RD / ALUMINUM / PINKDURAMAG, DuraMag Speed, Magazine, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Black AGF Anti-tilt Follower, Aluminum, PinkProduct DescriptionPlastic works fine for toys and casual use, but has proven molecularly unstable in extreme environments, vulnerable t..AR-15 DURAMAG 30RD / ALUMINUM / PINKDURAMAG, DuraMag Speed, Magazin...$18.95 -
-1000x1000-200x200.jpeg "AR-15 Featureless Stock - HERA CQR - Juggernaut Tactical")
Features:Uses standard 6 position buffer tube Customizable spacer to operator needs. Default: 0.5” spacer. Allows you to remove the bullet button from your AR15/M4* and go back to the normal magazine release buttonColor BlackWeights 2lbsStock has an 8 slot picatinny rail in the stock for p..Features:Uses standard 6 position buffer tube Customizable spa...$139.95 -
AR-15 MAG MFT EXTREME DUTY 5.56 30RD / 223 Remington/5.56 NATO - AMFVSpecificationsUPC814002028395ManufacturerMission First TacticalManufacturer Part #EXDPM556D-AMFVTypeMagazineCaliber556NATOCaliber223 RemingtonCapacity30 RoundsFitAR-15SubcategoryRifle Magazines ..AR-15 MAG MFT EXTREME DUTY 5.56 30RD / 223 Remington/5.56 NATO - AM...$19.99$24.95 -
AR-15 Magpul PMAG D-60rd Drum AR/M4 5.56x45mm NATOThe PMAG D-60 is a durable, lightweight, highly reliable 60-round 5.56x45 NATO/.223 Remington* polymer drum magazine for AR15/M4 compatible weapons.With a larger capacity than previous PMAGs, the PMAG D-60 gives the shooter 60 rounds of ammunition, e..AR-15 Magpul PMAG D-60rd Drum AR/M4 5.56x45mm NATOThe PMAG D-60 is ...$129.99 -
AR-15 / M16 100 Round Dual Drum Magazine .223/5.56 With Reinforced Feed Lips in BlackAR-15 / M16 high capacity 100 round dual drum mag. Manufactured in South Korea for Korean military use. This is the Gen II version that list new re-enforced feed lips and does not require a graphite lubricant...AR-15 / M16 100 Round Dual Drum Magazine .223/5.56 With Reinforced ...$169.99 -
Lightweight but incredibly strong, our PMAG D-50 GL9 is a highly reliable, 9x19mm Parabellum, 50-round drum magazine optimized for double-stack 9mm GLOCK handguns.The Magpul D-50 GL9 – GLOCK boasts many of the proven features of its 5.56 and 7.62 predecessors, the PMAG ..Lightweight but incredibly strong, our PMAG D-50 GL9 is a...$124.99
-
HEXMAG, Magazine, Series 2, 223 Remington/556NATO, 30 Rounds, Fits AR Rifles, Polymer, Olive Drab Green30 - Round CapacityAdvanced Composite ConstructionHexture Design PatternSuperior StrengthProduct DescriptionThe next evolution in AR15 magazines is here - the SENTRY Hexmag featuring the iconic Hex..HEXMAG, Magazine, Series 2, 223 Remington/556NATO, 30 Rounds, Fits ...$14.95 -
Mission First Tactical, Magazine, 223 Remington, 556NATO, 30Rd, AR-15SpecificationsUPC810099430523ManufacturerMission First TacticalManufacturer Part #EXDPM556D-RDWTypeMagazineCaliber223 RemingtonCaliber556NATOCapacity30 RoundsFitAR-15SubcategoryRifle Magazines ..Mission First Tactical, Magazine, 223 Remington, 556NATO, 30Rd, AR-...$19.95$24.95 -
Adaptive Tactical EX Performance Adjustable MILSPEC Stock / No ButtpadAdvanced design and high-impact, polymer construction make the EX Performance Adjustable Stock the ideal upgrade for your AR15 or M4.The EX Performance M4-style Stock features an easy-to-reach rapid adjust lever for custom length-..Adaptive Tactical EX Performance Adjustable MILSPEC Stock / No Butt...$29.95$49.95 -
T6 Aluminum Total Weight: 3.1 oz!Airlite Series Extremely LightweightErgonomic Grooves , Non Slip DesignSkeletonized DesignVery DurableMade in USA ..T6 Aluminum Total Weight: 3.1 oz!Airlite Series Extremely...$59.95 -
T6 Aluminum Total Weight: 3.1 ozAirlite Series Anodized Purple FinishExtremely LightweightErgonomic Grooves , Non Slip DesignSkeletonized DesignVery Durable ..T6 Aluminum Total Weight: 3.1 ozAirlite Series Anodized P...$69.95 -
T6 Aluminum Total Weight: 3.1 oz!Airlite Series Cerakote Blue FinishExtremely LightweightErgonomic Grooves , Non Slip DesignSkeletonized DesignVery Durable ..T6 Aluminum Total Weight: 3.1 oz!Airlite Series Cerakote ...$69.95 -
THE BREACH IS AN ATF APPROVED PISTOL STABILIZER BRACE THAT WAS DESIGNED TO BE LOW PROFILE AND EASY TO INSTALL FOR THE END USER. IT IS BUILT TO FIT ON ALL AR-15 PISTOL BUFFER TUBES UP TO 1.25″ AND REQUIRES NO SPECIAL EXTENSIONS OR TOOLS TO INSTALL. THIS SLEEK AND LIGHTWEIGHT BRACE IS PERFECT FOR ANY ..THE BREACH IS AN ATF APPROVED PISTOL STABILIZER BRACE THAT WAS DESI...$34.95$49.95 -
AR- 15/ AR 308 LOWERSAR MAGAZINE CATCH ASSEMBLY - GOLD PLATEDUSA MADE ..AR- 15/ AR 308 LOWERSAR MAGAZINE CATCH ASSEMBLY - GOLD PLATEDUSA MA...$34.95 -
Magpul Industries, MOE Slim Line Carbine Stock, Fits AR-15, Com-Spec, Gray FinishManufacturer: Magpul IndustriesManufacturer Part #: MAG347-GRYModel: MOE Slim Line Carbine StockType: StockFinish/Color: GrayDescription: CommercialSpecFit: AR-15 / AR-10Subcategory:&n..Magpul Industries, MOE Slim Line Carbine Stock, Fits AR-15, Com-Spe...$59.95 -
Looking for a buffer system that offers superior sound mitigation and easy installation for your AR-15 firearm? Introducing the Trinity Force SBA Silent buffer system. This high-quality buffer system features a unique mechanism that absorbs and dissipates energy more effectively than standard buffer..Looking for a buffer system that offers superior sound mitigation a...$44.95$79.95 -
AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACEFEATURESCaliber 5.56/300BLKLightweight, low-profile, and short3-position adjustableIntegral, ambidextrous QD sling socketCompatible with mil-spec bolt carrier groups and AR lowersUS veteran designed and proudly made in the USAPRODUCT INCL..AR-15 / HBPDW PISTOL STABILIZING BRACE / HONEY BADGER SB BRACEFEATU...$299.95 -
AR-15 5.56 80% open trigger lower receiver, raw, billet - by New Frontier Armory. No FFL transfer required.Manufacturer: New Frontier ArmoryModel: 80% C-4Type: 80% AR-15 Lower Receiver - milled from 7075 T6 aircraft grade billet aluminumCaliber: Multi (will accept any upper and/or caliber designed ..AR-15 5.56 80% open trigger lower receiver, raw, billet - by New Fr...$94.95 -
AR-15 80% Anodized BILLET Lower Combo Kit / Stock Kit and LPK **All Sales Are Final. No refunds or Exchanges***SHIPPING RESTRICITONS: This item is restricted from shipping to California, New York, Hawaii, New Jersey, Washington, Rhode Island, Delawar..AR-15 80% Anodized BILLET Lower Combo Kit / Stock Kit and LPK &n...$249.95
-
80% Receiver Restrictions: 80% Receivers are not legal in all areas of the U.S. Please be aware of your local laws before ordering.Orders shipping to NJ, CT, RI, MD, CA, NY, IL, DC, HI and WA containing prohibited 80% Receivers will be canceled and a 20% Restock Fee Assessed80% AR 15 lower receiver ..80% Receiver Restrictions: 80% Receivers are not legal in all areas...$129.95 -
AR-15 80% lower receiver, anodized. These 80% Lower AR15 receivers can be finished with the 80% Lower AR-15 Jig and held to tight tolerances by the DIY Gunsmith. The Mag well is fully broached on all our 80 percent lowers for a perfect fit every time. Our 80% AR 15 Lower receivers are MIL-SPEC and ..AR-15 80% lower receiver, anodized. These 80% Lower AR15 receivers ...$64.95$99.95 -
Full Length A2 SizeSteelFits Full Size Fixed StockMade in USA ..Full Length A2 SizeSteelFits Full Size Fixed StockMade in USA .....$0.95$6.95 -
Skeleton Style Aluminum Stock - Anodized Purple6.67 CalSteel ButtplateRubber Buttpad IncludedLightweightComplete With Buffer Tube, Ambi 1 Point Sling Plate, Castle Nut, CAR 3.8 Buffer, & CAR AR-15 SpringFull Length VersionTotal Length is 10.5" Made in USA ..Skeleton Style Aluminum Stock - Anodized Purple6.67 CalSteel Buttpl...$89.95$129.95 -
The Alpha Stock is versatile enough to work with any AR build. It features a low profile adjustment latch, double injected rubber check rest, and slick sided profile. The butted profile is angled to accommodate plate carriers and the aggressive texturing will ensure minimal movement w..The Alpha Stock is versatile enough to work with any...$69.95 -
AR-15 AR-15 Lower Parts Kit / Cerakote RED - Moriarti Armaments' AR-15 Lower Parts Kit elevates the construction of your rifle. Meticulously crafted with high performance and dependability in mind, our kits provide the essential components required for assembling a superior firearm.All U.S.A. M..AR-15 AR-15 Lower Parts Kit / Cerakote RED - Moriarti Armament...$69.95$99.95 -
AR-15 Carbine Buffer Spring - BlackAR-15 all models compatibleCan be used for mil-spec or commercial modelsLength: 10.875"Net Weight: 1.8 oz.Color: BlackMax per order: 10 ..AR-15 Carbine Buffer Spring - BlackAR-15 all models compatibleCan b...$7.95$14.95 -
Features:Material: 7075-T6 AluminumFinish: CERAKOTE REDLength: 3.5” estimate depending on the lower.Included:Steel Castle NutSteel End PlateSteel Buffer Tube CapAluminum Stubby Buffer TubeSteel Bolt Carrier InsertSteel Guide Rod AssemblySteel Proprietary Recoil Spring Plug Steel Recoil Spring* ..Features:Material: 7075-T6 AluminumFinish: CERAKOTE REDLength: 3.5”...$119.95
-
AR-15 COMPLETE LOWER PARTS KIT WITH ERGONOMIC POLYMER PISTOL GRIP U.S.A. Made Lower Parts Kit Includes the following:(1) Pistol Grip - Ergo (Black)(1) Pistol Grip Screw(1) Pistol Grip Lock Washer(1) Trigger(1) Trigger Pin(1) Trigger Spring(1) Trigger Guard (1) Hammer (1) Hammer Spring(1..AR-15 COMPLETE LOWER PARTS KIT WITH ERGONOMIC POLYMER PISTOL GRIP ...$59.95$84.95 -
AR-15 COMPLETE LOWER PARTS KIT WITH TRIGGER GUARD AND MAGPUL MOE GRIP INCLUDES: Magpul Moe Pistol Grip (comes in black by default, you may choose a Magpul color of the grip on top of page) Hammer Trigger Pistol Grip Sc..AR-15 COMPLETE LOWER PARTS KIT WITH TRIGGER GUARD AND MAGPUL MOE GR...$89.95 -
AR-15 COMPLIANT ULTRA FURNITURE SET / ANODIZED PURPLE / NY/CA COMPLIANTIncludes:Ultralight seriesMachined From 6061 Billet AluminumSkeleton Style Aluminum Stock in anodized purpleRubber Buttpad IncludedLightweight15" Mlok handguard in anodized purple, barrel nut and screws includedT-6 Aluminum BodyF..AR-15 COMPLIANT ULTRA FURNITURE SET / ANODIZED PURPLE / NY/CA COMPL...$319.95 -
T6 AluminumWide For Accepting Tactical GlovesLightweightAnodized Gold Finish ..T6 AluminumWide For Accepting Tactical GlovesLightweightAnodized Go...$19.95 -
Ergonomic Contoured DesignGold Plated FinishFits Over Any 5.56 Milspec Bolt Catch (9mm, 300 Blk, Etc.), And Is Locked In Place With 3 Set ScrewsExtends The Bolt Release Option To The Right Side Of The WeaponLightweightTotal Weight : 0.4 OzUs MadeQuick Bolt On DesignQuick One Hand Acquisition Al..Ergonomic Contoured DesignGold Plated FinishFits Over Any 5.56 Mils...$44.99 -
The extended and grooved head on the pin makes separating the upper and lower receivers easier and faster. Constructed of high-quality 8620 Alloy steel Features:Mil-SpecExtended and grooved grip8620 Alloy steel constructionCerakote PinkFits: AR-15The extended and grooved head on the pin makes s..The extended and grooved head on the pin makes separating the upper...$19.95 -
Complete Front & Rear Takedown Pin SetCNC MachinedLightweightAnodized Red FinishMade in USA ..Complete Front & Rear Takedown Pin SetCNC MachinedLightweightAn...$19.95 -
Mag Catch LeverGen 3 Gate (Recommended For Billet Uppers Only)Multi Degree Short Throw Ambi SafetyForward Assist AssemblyBlack Chrome Finish5.56 Charging HandleExtended Take Down Pin SetAnti-Rotation Pin SetMicro Angle GripExtended Mag Catch ReleaseExtended Bolt Catch ReleaseEnhanced Trigger GuardEx..Mag Catch LeverGen 3 Gate (Recommended For Billet Uppers Only)Multi...$349.95$499.95 -
Mag Catch LeverGen 3 Gate (Recommended For Billet Uppers Only)Multi Degree Short Throw Ambi SafetyForward Assist AssemblyChrome Finish5.56 Charging HandleExtended Take Down Pin SetAnti-Rotation Pin SetMicro Angle GripExtended Mag Catch ReleaseExtended Bolt Catch ReleaseEnhanced Trigger GuardExtreme ..Mag Catch LeverGen 3 Gate (Recommended For Billet Uppers Only)Multi...$499.95 -
Kit Includes: Hammer, Trigger, & DisconnectorUS Made Tin FinishEnhanced Smooth Trigger PullIncreased lubricity Provides Sharper Trigger Break and Better ResetCerakote Increases Wear and Corrosion ResistanceWeight: 2.3 oz ..Kit Includes: Hammer, Trigger, & DisconnectorUS Made Tin F...$79.95 -
AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT - The L-E stock was designed to conform with design parameters for the standard LE style stock found on most Law Enforcement and stock builds. This stock will fit with a Mil-Spec buffer tube and features a quick adjust grip lever and a multiple sling mounts...AR-15 LE M4 6 POSITION MIL-SPEC STOCK KIT - The L-E stock was desig...$69.95
-
U.S.A. Made Lower Parts Kit Includes the following:CERAKOTE PINK Pistol Grip CERAKOTE PINK SAFETY SELECTORCERAKOTE PINK TRIGGERCERAKOTE PINK Takedown Pin-LongCerakote PINK Pivot Pin-LongCerakote PINK Enhanced Bolt CatchBolt Catch Spring, Roll Pin & PlungerB..U.S.A. Made Lower Parts Kit Includes the following:CERAKOTE&nbs...$69.95$99.95 -
AR-15 Lower Parts Kit / Cerakote Tiffany Blue U.S.A. Made Lower Parts Kit Includes the following:CERAKOTE RGB Pistol GripCERAKOTE RGB SAFETY SELECTORCERAKOTE RGB TRIGGERCERAKOTE RGB Takedown Pin-LongCerakote RGB Pivot Pin-LongCerakote RGB Enhanced..AR-15 Lower Parts Kit / Cerakote Tiffany Blue U.S.A. Made Lower ...$69.95$99.95 -
AR-15 Lower Parts Kit / OD GREEN Magpul Grip / Drop-In Trigger Our AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-functioning and sleek Lower. The solid steel AR Competition Drop In TriggerS 3.5 lb. are made in the U.S.A.Comes with Magpul Grip ..AR-15 Lower Parts Kit / OD GREEN Magpul Grip / Drop-In Trigger ...$179.95 -
AR-15 Lower Parts Kit w/ Standard Grip & Trigger Guard. ALL MADE IN USA.Our AR-15 Lower Receiver Parts Kits (LPK's) include everything you'll need to put together a well-functioning and sleek Lower. The solid steel Trigger and Hammer are made in the U.S.A. and each of the pieces are also availab..AR-15 Lower Parts Kit w/ Standard Grip & Trigger Guard. ALL MAD...$54.95$69.95 -
QD sling mounting points on both sidesSmooth design to prevent snags on gearInnovative locking system allows easy install & removalRubber textured butt-padLocking castle nutEnd plateBufferMil-Spec springMil-Spec receiver extension ..QD sling mounting points on both sidesSmooth design to prevent snag...$99.95 -
This Mil-Spec buffer tube kit includes an end plate castle nut aluminum carbine buffer tube buffer and buffer tube spring. The Buffer Tube is constructed of 6061 T6 Aluminum and is durable and weather-resistant. The Gen3 Sound Mitigation Buffer SMB Is A Single Stage Captured Drop-In Replacement..This Mil-Spec buffer tube kit includes an end plate castle nut alum...$99.95$139.95 -
The blue mil-spec buffer tube kit includes an end plate castle nut aluminum carbine buffer tube buffer and buffer tube spring. The Buffer Tube is constructed of 6061 T6 Aluminum and is durable and weather-resistant.Includes:AR-15 Stock Buffer Tube Mil Spec - BlueAR-15 Buffer Castle Nut - BlueStock B..The blue mil-spec buffer tube kit includes an end plate castle nut ...$44.95$59.95 -
This is our standard Mil-Spec AR-15 Magazine Catch Kit. Included is the mag catch, release button and spring. Each piece is finished in a matte black.Includes:Magazine CatchMagazine Catch ButtonMagazine Catch SpringFits: AR-15 ..This is our standard Mil-Spec AR-15 Magazine Catch Kit. Includ...$9.95 -
AR-15 MAGPUL CTR CARBINE STOCK KIT - MIL-SPEC. Compatible with all AR-15/M16 mil spec models. Includes:Magpul CTR stock - mil spec6 position buffer tubeStandard weight carbine bufferCarbine buffer springEnd plateCastle nut..AR-15 MAGPUL CTR CARBINE STOCK KIT - MIL-SPEC. Compatible wit...$99.95 -
AR-15 Magpul moe buttstock kit. Magpul moe stock mil-spec size. Includes:Magpul Moe Stock - mil spec - choose color6 position buffer tube mil-spec sizeStandard weight carbine bufferCarbine buffer springEnd plateCastle nut ..AR-15 Magpul moe buttstock kit. Magpul moe stock mil-spec size. ...$99.95