B5 Systems
B5 Systems is a leading manufacturer of high-quality firearms components and accessories. Their product line includes stocks, handguards, grips, and more, each designed to provide superior performance, comfort, and durability. B5 Systems products are made with the user in mind, and are constructed using only the finest materials and advanced manufacturing techniques. Whether you're looking to upgrade your existing firearm or build a new one, B5 Systems has the products and expertise to help you achieve your goals. Browse their selection of stocks, handguards, grips, and other components to find the perfect products for your needs.
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AERO Precision Forward Assist Assembly Kit
Aero Precision
MSRP: $15.00$12.95AERO Precision Forward Assist Assembly Kit The AERO Precision Forward Assist Assembly Kit fits both AR 15 and M5 .308 Upper Receivers Includes Forward Assist Assembly Forward Assist Spring Forward Assist Roll Pin Made In The USAMSRP: $15.00$12.95 -
On Sale
UTG Ultra Slim Angled Fore Grip - M-LOK
Leapers / UTG
$17.95 - $22.97UTG Ultra Slim Angled Foregrip - M-LOK Leapers UTG Ultra Slim Angled Foregrip, 6061-T6 Aluminum Construction Finished in a Matte Black Anodization, Lightweight, Ergonomic, and Slim Profile with Machined Grip Serrations Features 6061-T6 Aluminum...$17.95 - $22.97 -
AR 15 Forward Assist
Black Rifle Depot
MSRP: $11.95$9.95AR 15 OEM Forward Assist This OEM Black Rifle Depot true Mil-spec AR-15 / AR-308 Forward Assist Assembly Kit features a tool steel forward assist pawl and press fit and pinned cap. It is a solid replacement part for those who want quality without frill...MSRP: $11.95$9.95 -
AR 15 Stock - LE - TAN
Black Rifle Depot
MSRP: $16.99$15.95AR 15 Stock - LE - TAN The Black Rifle Depot Mil-Spec LE AR 15 Stock is the standard issue for most law enforcement as well as military rifles that are issued to service men and woman. It features a lightweight design with a textured adjustment lever as...MSRP: $16.99$15.95 -
Dirty Bird .30 A2 Birdcage Flash Hider
Dirty Bird Industries
MSRP: $17.95$15.95Dirty Bird .30 A2 Birdcage Flash Hider The .30 A2 Birdcage Flash Hider is designed to reduce muzzle rise as well as the flash signature when firing a Rifle. These A2 Birdcages are made from 4140 Steel and is Black Nitride treated to add life and...MSRP: $17.95$15.95 -
MFT BATTLELINK Minimalist AR-15 Lower Build Kit - Black
Mission First Tactical
MSRP: $169.95$139.95MFT BATTLELINK Minimalist AR 15 Lower Build Kit - Black The Mission First Tactical Battlelink Minimalist Lower Build kit comes with everything you need to finish your AR 15 and variant Lower Receiver into a functional firearm. With a light weight design...MSRP: $169.95$139.95 -
Strike Industries Ambidextrous Magazine Release - Version 2
Strike Industries
MSRP: $41.95 - $43.95$34.95 - $36.95Strike Industries Ambidextrous Magazine Release Strike Industries Ambidextrous Magazine Release was designed to slip into lowers designed to accept a mil-spec magazine catch. They have a low profile and ergonomic design. The Ambidextrous magazine...MSRP: $41.95 - $43.95$34.95 - $36.95 -
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $149.95$99.95Toolcraft Black Nitride .223/5.56/300BLK M16 Profile Bolt Carrier Group Toolcraft is known for their unsurpassed quality and durability in their BCG's. Mil-Spec is just the beginning, they have spent attention to detail in every aspect of the...MSRP: $149.95$99.95 -
AERO Precision AR 15 Ejection Port Cover Kit
Aero Precision
MSRP: $15.00$12.95AERO Precision AR 15 Ejection Port Cover Kit The AERO Precision Ejection port cover kit for AR 15 Upper Receivers. Includes Ejection Port Cover Door Ejection Port Cover Rod with c-clip Ejection Port Cover SpringMSRP: $15.00$12.95 -
BCMGUNFIGHTER Pistol Grip - MOD 3
Bravo Company USA Inc.
MSRP: $20.00$19.25BCMGUNFIGHTER Pistol Grip - MOD 3 The BCMGUNFIGHTER Pistol Grip – MOD 3 has a reduced angle to help improve ergonomics as well as trigger control for the shooter. It offers a hinged trap door for water resistant storage inside the grip. Each...MSRP: $20.00$19.25 -
Magpul MOE Grip (Black)
Magpul
MSRP: $20.95$19.90Magpul MOE Grip (Black) The MOE Grip (Magpul Original Equipment) is a drop-in upgrade for the standard AR15/M4 pistol grip. The ergonomic, hand filling design combines anti-slip texturing with storage core capability. With a similar shape to a 'medium'...MSRP: $20.95$19.90 -
DI Enhanced Pistol Grip
Trinity Force
$12.95DI Enhanced Pistol Grip The Trinity force DI Enhanced Pistol Grip is double injected for improved comfort and traction. Designed for the AR platform, this grip utilizes aggressive texturing and a balanced palm swell for pressure point mitigation and more...$12.95 -
Kaw Valley Precision AR 15 Reduced Power Trigger Spring Kit
Kaw Valley Precision
MSRP: $9.95$6.95Kaw Valley Precision AR 15 Reduced Power Trigger Spring Kit Mil-spec AR-15 triggers typically have an 8 to 9 pound trigger pull with factory springs. Utilizing the KVP Reduced Power Spring Kit should achieve a trigger pull reduction of 2 to 4 pounds. A 5...MSRP: $9.95$6.95 -
Magpul MOE Mil Spec Stock (OD Green)
Magpul
MSRP: $44.95$42.70Magpul MOE Mil Spec Stock (OD Green) The MOE Carbine Stock - Mil-Spec model (Magpul Original Equipment) is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec sized receiver extension tubes. Designed for light, fast...MSRP: $44.95$42.70 -
AR 15 Bolt Catch Spring
Black Rifle Depot
$1.69AR 15 Bolt Catch Spring The Black Rifle Depot AR 15 Bolt Catch Spring is a drop in replacement part for your mil-spec lower parts kit. If you lost, damaged, or wore your old one out, this one will fit the bill for reliable use for a long time. You...$1.69 -
10.5" 5.56 NATO Pistol AR-15 Complete Upper Assembly
Black Rifle Depot
MSRP: $329.95$289.9510.5" 5.56 NATO Pistol Upper Assembly This Black Rifle Depot 10.5" 5.56 NATO Pistol Upper Assembly comes equipped with a 10.5" 5.56 NATO barrel with A2 Flash Hider. Covering those with a 10" M-Lok Handguard and a Limited Lifetime Warranty...MSRP: $329.95$289.95 -
BRD Mil-Spec Carbine Buffer Kit
Black Rifle Depot
MSRP: $49.95$34.95BRD Mil-Spec Carbine Buffer Kit Upgrade your AR 15 with the BRD Mil-Spec Carbine Buffer Kit, crafted from 7075-T6 aircraft-grade aluminum for unmatched durability and reliability. This six-position buffer tube kit is hard-anodized for additional...MSRP: $49.95$34.95 -
Surplus Complete Lower Parts Kit
Black Rifle Depot
MSRP: $59.00$39.95Surplus Complete Lower Parts Kit The Surplus complete lower parts kit is a mil-spec or better LPK with well-machined components. Specifications 31 piece set to complete a lower Machined parts, no MIM Hammer 8620 Steel Trigger 8620 Steel Disconnector...MSRP: $59.00$39.95 -
AR 15 Firing Pin - Hard Chrome
Black Rifle Depot
MSRP: $5.99$4.95AR 15 Firing Pin - Hard Chrome Discover the AR-15 Hard Chrome Firing Pin from Black Rifle Depot, the ultimate fusion of precision, durability, and American craftsmanship in a single, robust component. Skillfully machined from resilient 8640 Steel and...MSRP: $5.99$4.95 -
Dirty Bird Industries AR-15 Trigger Reduced Power Single Stage Spring Set
Dirty Bird Industries
MSRP: $9.95$8.95Dirty Bird Industries AR-15 Trigger Reduced Power Single Stage Spring Set Dirty Bird Industries is excited to announce their new Dirty Bird Industries AR-15 Trigger 3.5lb Reduced Power Spring Set! Mil-Spec triggers have been used for decades, but have...MSRP: $9.95$8.95 -
MAGPUL AFG-2 Angled Fore Grip (Black)
Magpul
MSRP: $34.95$33.20MAGPUL AFG-2 Angled Fore Grip (Black) Enhanced Control and Recoil Mitigation in a Compact Design The Magpul AFG-2 (Angled Fore Grip) offers a slimmer, more compact design than the original AFG, making it a versatile and ergonomic addition to any...MSRP: $34.95$33.20 -
AR 15 Lower Parts Kit Minus FCG & Pistol Grip
Dirty Bird Industries
MSRP: $29.95$27.95AR 15 Lower Parts Kit Minus FCG & Pistol Grip The Dirty Bird Industries AR 15 Lower Parts Kit (without FCG & Pistol Grip) consists of high quality, precision machined components made in the USA. It is ideal for AR builders who want to...MSRP: $29.95$27.95 -
AR 15 Magazine Catch Spring
Black Rifle Depot
MSRP: $0.99$0.89AR 15 Magazine Catch Spring The Black Rifle Depot AR-15 Magazine Catch Spring is the perfect replacement for a worn spring. Springs are also notorious for shooting across the room and disappearing when trying to install or replace them. Be sure to pick...MSRP: $0.99$0.89 -
Strike Industries Cobra Billet Aluminum Trigger Guard -Black
Strike Industries
MSRP: $26.95$24.95Strike Industries Cobra Billet Aluminum Trigger Guard (Black) Form meets function with the Strike Industries line of Aluminum trigger guards. Not only does the sculpted, billet aluminum trigger guard make your rifle stand out from the...MSRP: $26.95$24.95 -
Mil-Spec 6 Position Receiver Extension / Buffer Tube
Black Rifle Depot
MSRP: $21.95$18.95Mil-Spec 6 Position Receiver Extension / Buffer Tube The Mil-Spec Buffer Tube is a quality Receiver Extension (AKA Buffer Tube) machined from high strength American 7075-T6 Aluminum. This is a 6 position design and is a finished with Type 3 class 2...MSRP: $21.95$18.95 -
Strike Industries LINK Anchor Polymer Hand Stop
Strike Industries
MSRP: $13.95$12.95Strike Industries LINK Anchor Polymer Hand Stop The Strike Industries LINK Anchor Hand Stop is made from a heat resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any...MSRP: $13.95$12.95 -
AR 15 Disconnector Spring
Black Rifle Depot
MSRP: $1.89$1.75AR 15 Disconnector Spring The OEM AR 15 Disconnector Spring from Black Rifle Depot is a Mil-Spec replacement part for all OEM lower parts kits installed in your weapon. Be sure to have an extra spring or two in your range day bag or building workbench...MSRP: $1.89$1.75 -
Billet Enhanced Trigger Guard
Dirty Bird Industries
MSRP: $16.95$14.95Billet Enhanced Trigger Guard AR 15 Billet Trigger Guard. This enhanced oversized trigger guard is made from 6061 aluminum and is military hard coat anodized black to match the durability and color of your lower receiver. Enhanced shape gives the...MSRP: $16.95$14.95 -
Strike Industries M-LOK Rail Covers - V1 - (Black, FDE)
Strike Industries
MSRP: $8.95$7.50Strike Industries MLOK Rail Covers - V1 The Strike Industries M-LOK Covers provide unlimited placement options without having to cut anything to size. With single slot pieces, you can plug any M-Lok slot you need and still have the useable slots...MSRP: $8.95$7.50 -
Vortex Strike Eagle 1-8x24mm FFP EBR-8 MOA LPVO w/ Cantilever 2" Offset 30mm Mount
Vortex Optics
MSRP: $799.99$599.99Vortex Strike Eagle 1-8x24mm FFP EBR-8 MOA LPVO w/ Cantilever 2" Offset 30mm Mount The Ultimate LPVO Kit for Tactical Precision and All-Day Shooting Comfort The Vortex® Strike Eagle® 1-8x24mm FFP EBR-8 MOA LPVO paired with a Sport Cantilever 2"...MSRP: $799.99$599.99 -
Strike Industries Strike Rail M-LOK Handguard
Strike Industries
MSRP: $159.95 - $214.95$139.95 - $190.95Strike Industries Strike Rail M-LOK Handguard The SI Strike Rail for the AR-15 was developed to fulfill the requirements of certain agency partners, who wanted a lightweight, but feature packed rail that they could depend on when entering harm’s...MSRP: $159.95 - $214.95$139.95 - $190.95 -
Strike Industries Flip Switch Low Profile Ambi Safety Selector
Strike Industries
MSRP: $41.95 - $43.95$35.95 - $38.95Strike Industries Flip Switch Low Profile Ambi Safety Selector When building an AR-15, one of the primary factors to consider is the controls, including safety, magazine release, and others. The one thing you don't want when building an AR is for your...MSRP: $41.95 - $43.95$35.95 - $38.95 -
On Sale
Strike Industries MOD-1 Stock (Black, FDE, Red, Blue)
Strike Industries
MSRP: $45.95 - $46.95$34.95 - $41.95Strike Industries MOD-1 Stock (Black, FDE, Red, Blue) Strike Industries drop-in replacement buttstock for AR/15/M16 carbine using mil-spec sized receiver extension tubes. The Viper stock integrates features sought by military professionals and...MSRP: $45.95 - $46.95$34.95 - $41.95 -
Hogue Mil-Spec Overmold Stock
Hogue
MSRP: $69.95$62.95Hogue Mil-Spec Overmold Stock With soft touch overmolding and a snag-free, beard-friendly design, the Hogue Overmolded Collapsible Buttstock is a great addition to any build! Easy to install, replaces your existing buttstock in seconds. Rubber/polymer...MSRP: $69.95$62.95 -
Dirty Bird 3-Slot Aluminum M-LOK Rail Section (Black)
Dirty Bird Industries
MSRP: $12.95$10.95Dirty Bird 3-Slot Aluminum M-LOK Rail Section (Black) The Dirty Bird 3-Slot Aluminum M-LOK Rail Section is a versatile accessory that works with all M-LOK compatible rail systems. These parts are precision machined right here in the USA from 6061-T6...MSRP: $12.95$10.95 -
Strike Industries Extended Latch Charging Handle - Red
Strike Industries
MSRP: $46.95$38.95Strike Industries Extended Latch Charging Handle - Red The new ARCH-EL Charging Handle from Strike Industries is a T-6 7075 forged hard anodized charging handle featuring a larger aluminum latch surface that functions with ease in adverse...MSRP: $46.95$38.95 -
MFT BATTLELINK Minimalist Stock (Black)
Mission First Tactical
MSRP: $64.99$59.99MFT BATTLELINK Minimalist Stock (Black) The Mission First Tactical Battlelink Minimalist stock was developed with heavy input from operators of every spectrum. The final stock provides all of the functional requirements for a wide range of operational...MSRP: $64.99$59.99 -
Strike Industries AR 15 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector
Strike Industries
MSRP: $55.95$50.95Strike Industries AR 15 Enhanced Lower Receiver Parts Less Trigger, Hammer and Disconnector The Enhanced Lower parts kit offers a convenient upgrade package for the AR 15 for those looking for a complete Strike Industries solution for new builds,...MSRP: $55.95$50.95 -
Strike Industries ISO-Tab
Strike Industries
MSRP: $16.95 - $17.95$14.50 - $15.50Strike Industries ISO-Tab for Phantom Latchless Charging Handles (Red, Blue, FDE or Black) Enhance your speed and effectiveness of the Strike Latchless Charging Handle with the ISO-Tab from Strike Industries. Made out of lightweight but durable...MSRP: $16.95 - $17.95$14.50 - $15.50 -
Vortex Defender-CCW Micro Red Dot
Vortex Optics
MSRP: $349.99$249.99Vortex Defender-CCW Micro Red Dot Compact, Reliable, and Designed for Everyday Carry The Vortex Defender-CCW Micro Red Dot Sight is the ultimate solution for modern concealed carry. Engineered to deliver maximum concealment, reliability, and rapid target...MSRP: $349.99$249.99