Hunting & Archery Equipment › brownells ar 15 lower parts

Cmmg 308 Ar Lower Parts Kit

Complete kit contains every internal part needed to complete or rebuild an AR lower receiver. High-quality components are designed to work in coordination with each other to ensure smooth operation, and they come packaged in color-coded bags that... more

Magpul Industries MOE Fixed Carbine Mil-Spec Stock AR-10/AR-15/SR-25 8.8 in Flat Dark Earth MAG480-FDE

Magpul Industries MOE Fixed Carbine Mil-Spec Stock AR-10/AR-15/SR-25 8.8 in Flat Dark Earth MAG480-FDE. These MOE Gun Stocks from Magpul Industries are designed to provide a high-quality economical alternative to standard weapon parts. The Magpul Fixed... more

Magpul Industries MOE Fixed Carbine Mil-Spec Stock AR-10/AR-15/SR-25 8.8 in Black MAG480-BLK

Magpul Industries MOE Fixed Carbine Mil-Spec Stock AR-10/AR-15/SR-25 8.8 in Black MAG480-BLK. These MOE Gun Stocks from Magpul Industries are designed to provide a high-quality economical alternative to standard weapon parts. The Magpul Fixed Carbine... more

Hogue AR-15/M-16 Carbine Knurled Free Float Aluminum Forend 15054

Hogue AR-15/M-16 Carbine Knurled Free Float Aluminum Forend 15054. OpticsPlanet is an Authorized US Distributor for Hogue Gun Parts. Note: Requires replacing stock gas tube with our pre-bent gas tube item 00014. You may also bend your stock gas tube... more

TruGlo TG131AR Tritium Fiber Optic Sight AR-15 Green TG131AR

TruGlo TG131AR Tritium Fiber Optic Sight AR-15 Green TG131AR. OpticsPlanet is an Authorized US Distributor for TruGlo Gun Parts. Combines Truglo fiber optics with the illuminating properties of Tritium. Always on and never off - perfect for all... more

Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight for AR-15 Black SSIG-FBS-TTBT-00

Troy Dioptic Apeture DOA Top Mounted Deployable Rear Sight for AR-15 Black SSIG-FBS-TTBT-00. Constant illumination with tritium makes these AR 15 Parts from Troy Industries ideal for shooting at sunrise and sunset when most hunting happens. The folding... more

Spikes Tactical Top Mounted Deployable Rear Sight Black SAS81R1

Spikes Tactical Top Mounted Deployable Rear Sight Black SAS81R1. These AR 15 Parts developed by the pros at Spikes Tactical feature a sliding dual peephole that offers a smaller or larger hole for aiming depending on your preferences. Another great... more

Magpul MBUS Rear Flip-Up Back Up Sight Gen 2 Black MAG248BLK

Magpul MBUS Rear Flip-Up Back Up Sight Gen 2 Black MAG248BLK. These AR 15 Parts from Magpul Industries are spring loaded for fast engagement and easily clamp for Mil Spec 1913 Picatinny rail systems. The Magpul MBUS Rear Gen II Flip-Up Back Up Sight... more

Magpul MBUS Rear Flip-Up Back Up Sight Gen 2 OD Green MAG248OD

Magpul MBUS Rear Flip-Up Back Up Sight Gen 2 OD Green MAG248OD. These AR 15 Parts from Magpul Industries are spring loaded for fast engagement and easily clamp for Mil Spec 1913 Picatinny rail systems. The Magpul MBUS Rear Gen II Flip-Up Back Up Sight... more

Daniel Defense Rail Mount Fixed Front Sight

Daniel Defense Rail Mount Fixed Front Sight. Daniel Defense machined these one-piece AR 15 Parts from hard anodized 6061-T6 aluminum for optimal strength at a lighter weight than other materials and the coating ensures your new sights will outlast... more

KRISS USA Top Mounted Deployable Front Sight for Picatinny Black DAFSBL00

KRISS USA Top Mounted Deployable Front Sight for Picatinny Black DAFSBL00. For more great deals on AR 15 Parts by KRISS USA please browse our Kriss USA Gun Parts page. KRISS USA DAFSBL00: Top Mounted Deployable Front Sight for Picatinny Black more

Spikes Tactical Top Mounted Deployable Front Sight Black SAS81F1

Spikes Tactical Top Mounted Deployable Front Sight Black SAS81F1. Spikes Tactical constructed these AR 15 Parts from Type III anodized 7075 T6 aluminum this is tough lightweight and extremely resistant to corrosion and abrasion giving you countless... more

Griffin Armament M2 Micro Modular Rear Sight Black Small GAM2R

Griffin Armament M2 Micro Modular Rear Sight Black Small GAM2R. Each of these AR 15 Parts by Griffin Armament is constructed from QPQ treated 17-4 ordinance grade steel for extreme ruggedness in rough conditions and to support harsh recoil. What makes... more

Brownells Ar-15/M16 Armorer's Small Parts Kit - Ar-15 Armorer's Small Parts Kit

Designed for the armorer or gunsmith who services a lot of ARs! This extensive kit includes the key small components for both the upper and lower receiver to keep your customers', department's, or agency's AR-15s ready for action. Also great for doing... more

Sons Of Liberty Gun Works Ar-15 M4-Exo3-16 Build Kit - Ar-15 M4-Exo3-16 5.56 Build Kit 16"

You've seen what happens when Sons of Liberty Gun Works and Brownells partner up on unique products before, and now it's happened again with the M4-EXO3 Rifle Build Kit. This M4-EXO3 Rifle Build Kit includes every single component, less a lower... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 16" Assembled Upper Receiver Medium Barrel

Assembled from All New Components Fits Standard AR-15 Lowers The BRN-4 Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HK 416 compatible handguard and any 1/2-28 muzzle device, and... more

Guntec USA AR-15 Complete Lower Parts Kit w/Ergonomic Polymer Pistol Grip LPK-GRIP

Guntec USA AR-15 Complete Lower Parts Kit w/Ergonomic Polymer Pistol Grip LPK-GRIP. Specifications for Guntec USA AR-15 Complete Lower Parts Kit: Manufacturer: Guntec USA Color: Black Gun Model: AR-15 Condition: New Package Contents: Guntec USA AR-15... more

Wilson Combat Lower Receiver Small Parts Kit AR-Style TR-LOWERK

Wilson Combat Lower Receiver Small Parts Kit AR-Style TR-LOWERK. These quality parts are built by Wilson Combat's machine shop or USGI contractors to meet or exceed Military Specifications. This kit includes a right hand safety selector. Specifications... more

NcSTAR Ar-15/M4 LED Flashlight w/ A2 Iron Front Sight Post CR123A White 200 Lumens Black VAFLFSP

NcSTAR Ar-15/M4 LED Flashlight w/ A2 Iron Front Sight Post CR123A White 200 Lumens Black VAFLFSP. NcSTAR designed these AR 15 Parts with a bright 150 lumen CREE LED that is easily activated with the ambidextrous buttons that have off constant on and... more

Wheeler Delta Series Bolt Catch Installation Punch Kit SKU - 451097

The Wheeler Engineering AR-15 Punch Kit includes everything you'll need for installing the bolt catch pin. The kit includes a starter punch and a finishing punch which are rubber coated to help prevent scratching your lower receiver. The Delta Series... more

YLmarket 12x36inch Gun Cleaning Bench Mat with Parts Diagram for AR15 AK47 Remington 870

Specifications: Perfect cleaning and repair mat for your AR-15 or M-16. Poft top protects your gun from scratches while the neoprene rubber backing protects your work surface from chemicals. With the exploded view drawings and accompanying parts list.... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 14.5" Assembled Upper Receiver Heavy Barrel

Assembled from All New Components Fits Standard AR-15 Lowers The BRN-4 Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HK 416 compatible handguard and any 1/2-28 muzzle device, and... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 14.5" Assembled Upper Receiver Medium Barrel

Assembled from All New Components Fits Standard AR-15 Lowers The BRN-4 Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HK 416 compatible handguard and any 1/2-28 muzzle device, and... more

Brownells Brn-4 Assembled Upper Receivers - Brn-4 16" Assembled Upper Receiver Heavy Barrel

Assembled from All New Components Fits Standard AR-15 Lowers The BRN-4 Upper Receiver is now available as an Assembled Upper, with Barrel and Gas System installed. Simply add your preferred HK 416 compatible handguard and any 1/2-28 muzzle device, and... more

Strike Industries Ar-15/M16 Lower Receiver Gunsmith Spring Kit - Lower Receiver Gunsmith Spring Kit

Tool box comes with 20 each of springs used in AR-15 lower receiver: bolt catch spring, buffer retainer spring, trigger spring, hammer spring, disconnector spring, magazine catch spring, selector spring and detent spring. Ideal for department armorers,... more

Brownells Ar-15 M16 A1 Upper Receiver - Brn-16a1 M16a1 Upper Receiver Black

Designed in conjunction with Nodak Spud, the Brownells M16A1 Upper Receiver matches the features of the original M16A1 Receiver. Perfect for a "Retro" or reproduction build, these uppers precisely mirror the original profile. This match is only... more

Brownells Ar-15/M16 Dust Cover Safety Flag - Ar-16/M16 Dust Cover Safety Flag

Bright, highly-visible yellow insert instantly lets the RSO and other shooters know your weapon is unloaded and safe. Perfect for training exercises and classroom activities where itX'Xs vital to quickly identify that weapons are safe at all times.... more

Double Star Ar-15 Lower Parts Kit - Ar-15 Lower Parts Kit Small Pin

The Double Star AR-15 Lower Receiver Parts Kit includes everything needed to complete a stripped AR-15 lower receiver. The Kit includes: Fire control group Fire control group pins and springs Bolt catch assembly Magazine catch assembly Front pivot pin... more

Brownells Ar-15 Heavy Carbine Buffers - Ar-15 H1 Carbine Buffer

Heavy buffers are sometimes needed on short barreled AR-15 rifles or to smooth out operation on certain guns. H2 buffers are standard issue on US M4 Carbines. Select from H1, H2 or H3 buffers. Mfg: Brownells H1 - 3.8 oz, H2 - 4.8oz, H3 - 5.4oz more

Spikes Tactical Ar-15 Complete M4 Lower Receiver - Complete Ar-15 Lower Receiver W/Buttstock

Semi-auto lower receiver is machined from a 7075 T6 aluminum forging to mil-spec dimensions for precise fit and outstanding performance. Ruggedized hardcoat anodized finish resists scuffs, scratches, and wear. Stamped and color-coded bullet selector... more

Geissele Automatics Ar-15/M4 Reaction Block - Ar-15/M4 Reaction Block(Mil-Spec Buffer Tube Only)

The Geissele Reaction Block is designed to aid in the assembly of lower receivers. Once the armorer has installed the buffer tube onto the lower; the buffer tube and lower receiver assembly can be slid into the Reaction Block at the 12, 3, 6 and 9... more

Brownells Ar-15 Heavy Carbine Buffers - Ar-15 H2 Carbine Buffer

Heavy buffers are sometimes needed on short barreled AR-15 rifles or to smooth out operation on certain guns. H2 buffers are standard issue on US M4 Carbines. Select from H1, H2 or H3 buffers. Mfg: Brownells H1 - 3.8 oz, H2 - 4.8oz, H3 - 5.4oz more

Brownells Ar-15/M16 Lower Receiver Vise Block - Ar-15/M16 Action Block & Lower Vise Block Set

Heavy-duty blocks allow you to firmly clamp AR-15/M16 receiver halves in a vise without risk of crushing, twisting, or otherwise distorting them when applying vise pressure or torquing the barrel nut. Keeps your rifle secure for safe, effective... more

Hahn Precision Ar-15/M16 9mm Dedicated Conversion Block - Dedicated 9mm Conversion Block

Designed, manufactured, and field-tested specifically for law enforcement personnel who require an AR-15/M16 dedicated to 9mm ammo using Colt and modified Uzi-type magazines. Integral X"XlegX"X hooks over the top of the lower receiver to prevent... more

Black Dog Machine Ar-15/M16 .22 Lr Magazine Loader - .22 Lr Magazine Loader

Easy to use loader helps you quickly fill up your Brownells/Black Dog .22 LR AR-15 conversion magazines without finger strain. Slide the loader over the magazine, push down, insert round, release and repeat until magazine is full. Molded from durable,... more

Brownells Ar-15 Heavy Carbine Buffers - Ar-15 H3 Carbine Buffer

Heavy buffers are sometimes needed on short barreled AR-15 rifles or to smooth out operation on certain guns. H2 buffers are standard issue on US M4 Carbines. Select from H1, H2 or H3 buffers. Mfg: Brownells H1 - 3.8 oz, H2 - 4.8oz, H3 - 5.4oz more

Brownells Ar-15 Moe Stock Assy Collapsible Mil-Spec - Ar-15 Moe Stock Assy Collapsible Mil-Spec Fd

Magpul Original Equipment (MOE) carbine buttstock provides the quality, durability, and ergonomic benefits of Magpul's CTR stock in a rugged, economical, drop-in package. Strong, A-frame design is lightweight and comfortable, yet provides operator with... more

Zro Delta Ar-15 Lower Parts Kit - Ar-15 Lpk No Trigger Guard Or Grip

ELG stands for 'Enhanced Longitudinal Grind'.At the heart of this kit stands the longitudinally-ground trigger, which is ground in-line with the direction of pull along the long axis of the trigger, and then finish-polished. This grind and polish... more