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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AR 15 Grip Screw Lock Washer
Black Rifle Depot
MSRP: $1.09$0.99AR 15 Grip Screw Lock Washer The OEM AR 15 Grip Screw Lock Washer from Black Rifle Depot is a mil-spec all-steel locking washer. Be sure that your grip screw doesn't work itself loose, lock it into place with this AR15 grip screw lock washer. Remember...MSRP: $1.09$0.99 -
AR 15 Takedown/Pivot Pin Detent
Black Rifle Depot
MSRP: $0.99$0.89AR 15 Takedown/Pivot Pin Detent This OEM AR 15 Takedown/Pivot Pin Detent from Black Rifle Depot is a Steel constructed Mil-Spec detent. It is a small item and as such you should probably keep a few extra in your bag or on your bench. Remember...MSRP: $0.99$0.89 -
Castle Nut for Mil-Spec AR 15 Buffer Tube
Black Rifle Depot
$3.95Castle Nut for Mil-Spec AR 15 Buffer Tube Mil-spec carbine castle nut/lock ring for securing lock plate on an adjustable stock for AR-15/M4. Features: 4140 Steel construction Made In the USA$3.95 -
AR 15 Safety Selector Detent
Black Rifle Depot
MSRP: $0.99$0.89AR 15 Safety Selector Detent This OEM AR 15 Safety Selector Detent from Black Rifle Depot is a Mil-Spec design that is made with reliability in mind. This is one of those little, easy to drop and loose parts that you should have extra of...MSRP: $0.99$0.89 -
AR 15 Buffer Retainer
Black Rifle Depot
MSRP: $1.95$1.75AR 15 Buffer Retainer The OEM AR 15 Buffer Retainer from Black Rifle Depot is made in the United States from steel to Mil-Spec. Remember that Black Rifle Depot is your online shop for all of your AR 15 replacement parts, spare...MSRP: $1.95$1.75 -
Strike Industries Billet Magazine Catch
Strike Industries
MSRP: $18.95 - $20.95$15.50 - $17.15Strike Industries Strike Billet Magazine Catch The Strike Billet Magazine Catch Assembly features a billet magazine release button. Sculpted from a solid piece of 6061 aluminum, the button offers a functional and aesthetic upgrade to your AR. Deep...MSRP: $18.95 - $20.95$15.50 - $17.15 -
Out of stock
Stainless AR 15 Fire Control Group
Anderson Manufacturing
MSRP: $29.99$27.95Anderson Stainless AR 15 Fire Control Group This Fire Control Group is an easy drop in upgrade for your lower. The Anderson Proprietary Hammer is stainless steel. Includes Trigger (Stainless) Trigger spring Trigger Pin Hammer...MSRP: $29.99$27.95 -
AR 15 Receiver Extension Buffer Tube End Plate
Black Rifle Depot
MSRP: $3.99$3.75AR 15 Receiver Extension Buffer Tube End Plate AR 15 Receiver Extension Buffer Tube End Plate replacement for the AR 15 lower receiver buffer tube assembly. This is for Mil-Spec and Commercial AR 15 Buffer Tube Assemblies...MSRP: $3.99$3.75 -
Out of stock
Ambidextrous Safety Selector
Black Rifle Depot
MSRP: $18.95$15.95Ambidextrous Safety Selector Enhanced Ergonomics for Both Right- and Left-Handed Shooters The Ambidextrous AR-15 Safety Selector is designed to improve the usability of your AR platform by enabling smooth and reliable safety manipulation from...MSRP: $18.95$15.95 -
Out of stock
AR 15 Trigger - Stainless
Anderson Manufacturing
MSRP: $13.95$11.50AR 15 Trigger - Stainless These Anderson AR 15 Triggers are single stage and manufactured from quality stainless steel. The stainless AR 15 trigger is compatible with both the AR 15 and AR 10 platform. Features: Fits both AR 15...MSRP: $13.95$11.50 -
Strike Industries Extended Bolt Catch
Strike Industries
MSRP: $16.95$13.95Strike Industries Extended Bolt Catch The SI-XBC Extended bolt catch is a heavy duty, go-fast addition to the Strike Industries line of enhanced parts. Under high stress situations, the oversized bolt release lever aides in rapid thumb or palm...MSRP: $16.95$13.95 -
Magpul MOE+® Grip with Rubber Overmold
Magpul
MSRP: $24.95$23.70Magpul MOE+® Grip with Rubber Overmold Magpul MOE+® Grip with Rubber Overmold combines reinforced polymer body construction with comfortable, wrap-around rubber overmolding for maximum weapon control in adverse environments...MSRP: $24.95$23.70 -
Strike Industries Enhanced Bolt Catch
Strike Industries
MSRP: $15.95$13.95Strike Industries Enhanced Bolt Catch This product is another part of Strike Industries high quality AR-15 parts. The SI AR-EBC features an extra wide bolt catch lever surface making its operation effortless. Its solid construction and clean...MSRP: $15.95$13.95 -
On Sale
Strike Industries Ultra Light Pivot / Takedown Pins
Strike Industries
MSRP: $15.95 - $16.95$10.95 - $14.95Strike Industries Ultra Light Pivot / Takedown Pins For those seeking the ultimate in lightweight builds, the Strike Industries Ultra Light takedown and pivot pins offer a cost-effective yet durable solution. We understand ounces add up to pounds,...MSRP: $15.95 - $16.95$10.95 - $14.95 -
Aero Precision AR10/ AR 15 Fix-It Kit
Aero Precision
MSRP: $20.00$16.95Aero Precision AR15 / M4E1 Field Repair Kit The AERO Precision AR 15 Fix-It Kit gets you the most commonly lost parts to finish your build.. These AR 15 kits are manufactured in the United States and are packed in AERO Precision retail packaging...MSRP: $20.00$16.95 -
Mil-Spec AR-15 Aluminum Trigger Guard
Black Rifle Depot
MSRP: $5.99$3.95Mil-Spec AR-15 Aluminum Trigger Guard Black Anodized (Does not include roll pin)MSRP: $5.99$3.95 -
AR 15 Trigger Disconnector
Black Rifle Depot
MSRP: $4.95$4.50AR 15 Trigger Disconnector The OEM AR 15 Trigger Disconnector from Black Rifle Depot is a drop in replacement for Mil-Spec and OEM AR lower parts that are missing or need replacement. This is a great part to keep in your bag or on your bench...MSRP: $4.95$4.50 -
BCMGUNFIGHTER Trigger Guard
Bravo Company USA Inc.
MSRP: $8.00$7.95Bravo Company BCMGUNFIGHTER Trigger Guard The Bravo Company BCMGUNFIGHTER AR 15 trigger guard is designed from high impact resistant polymer and increases the trigger area for shooter with larger finger or who use gloves. Designed to fit most mil spec AR...MSRP: $8.00$7.95 -
Dirty Bird Industries Single Stage Nickel Teflon Trigger Group
Dirty Bird Industries
MSRP: $44.95 - $49.95$39.95 - $44.95Dirty Bird Industries Single Stage Nickel Teflon Trigger Group Mil-spec trigger groups are reliable, easy to service and inexpensive. The problem is, mil-spec triggers tend to have a heavy trigger pull (sometimes up to 8 or 9 pounds)...MSRP: $44.95 - $49.95$39.95 - $44.95 -
JE5 AR 15 Stock
JE Machine Tech
MSRP: $39.99$29.95JE5 AR 15 Stock The Black Rifle Depot JE5 Mil Spec AR 15 Stock is manufactured in the United Stated of high grade polymer. Its Features skeletonized light weight design with removable rubberized buttpad and a ambidextrous QD swivel mount...MSRP: $39.99$29.95 -
Mil-Spec AR-15 Bolt Catch
Black Rifle Depot
MSRP: $6.95$5.95Mil-Spec AR-15 Bolt Catch The AR-15 Bolt Catch from Black Rifle Depot is a great mil-spec catch to have in your bag in case the worst happens and you need a replacement part. Nobody likes leaving the range early because of a tiny broken, damaged, or...MSRP: $6.95$5.95 -
AR-15 End Plate W/ Center Ambi QD Sling Attachment
Black Rifle Depot
MSRP: $19.95$14.95AR 15 End Plate w/ Center Ambi QD Sling Attachment These OEM end plates from Black Rifle Depot are a great replacement part. AR 15 Receiver Extension Buffer Tube End Plate w/ Center Ambi QD Sling Attachment replacement for the AR 15 lower...MSRP: $19.95$14.95 -
Out of stock
Strike Industries Fang Billet Trigger Guard
Strike Industries
MSRP: $19.95 - $21.95$17.25 - $18.95Strike Industries Fang Billet Trigger Guard Strike Industries' "Fang" Billet Aluminum Trigger Guard, is an aggressively designed AR15 trigger guard that sports both good looks and functional enhancements. Form meets function with the Strike...MSRP: $19.95 - $21.95$17.25 - $18.95 -
Stainless Steel Magazine Catch & Button Kit
Black Rifle Depot
$9.95Stainless Steel Mag Release The Black Rifle Depot stainless steel magazine catch and button kit is the perfect way to add a little wow to your build. Why have an uninspired mag release when you can have stainless steel? Features Manufactured in the...$9.95 -
Out of stock
Hexmag 10 Round 5.56/.223 Series 2 Magazine - Black
Hexmag
MSRP: $16.99$13.95Hexmag 10 Round 5.56/.223 Series 2 Magazine - Black The next evolution in AR 15 magazines is here - the SENTRY Hexmag featuring the iconic Hexture design pattern. Enhancements make this the most compatible" user-friendly magazine on the market" while...MSRP: $16.99$13.95 -
Out of stock
Magpul MOE Mil Spec Stock - Black
Magpul
MSRP: $44.95$42.70Magpul MOE Mil Spec Stock - Black 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 action...MSRP: $44.95$42.70 -
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 -
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 -
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 -
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 Plunger
Black Rifle Depot
MSRP: $1.89$1.69AR 15 Bolt Catch Plunger The Black Rifle Depot AR 15 Bolt Catch Plunger is the go to drop in replacement for the one you lost. Get a few and have them in your spare parts box, because you never know. Remember that Black Rifle Depot is your online...MSRP: $1.89$1.69 -
AR 15 Receiver Takedown Pin
Black Rifle Depot
MSRP: $3.95$3.75AR 15 Receiver Takedown Pin The OEM AR 15 Receiver Takedown Pin from Black Rifle Depot is Mil-Spec and constructed from steel that has a parkerized finish. Remember that Black Rifle Depot is your online shop for all of your AR-15...MSRP: $3.95$3.75 -
Out of stock
Anderson Manufacturing AR 15 Buffer Tube Kit
Anderson Manufacturing
MSRP: $39.95$34.95AR 15 Buffer Tube Kit - Carbine Length The Anderson Manufacturing 6 position AR 15 Buffer Tube Kit is manufactured from 7075-T6 aluminium and comes complete with buffer tube, buffer, buffer spring, castle nut and end plate. The Packaged...MSRP: $39.95$34.95 -
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 -
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 -
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 -
Out of stock
MAGPUL PMAG 10 Round Magazine 5.56/.223
Magpul
MSRP: $14.95$14.20MAGPUL PMAG 10 Round Magazine 5.56/.223 The PMAG 10 AR/M4 GEN M3 is a 10-round 5.56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. Incorporating new material technology and manufacturing processes for enhanced strength,...MSRP: $14.95$14.20 -
Magpul MOE Grip (FDE)
Magpul
MSRP: $20.95$19.90Magpul MOE Grip (FDE) 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 -
Out of stock
AR 15 Lower Parts Kit with Tactical Grip - Tan
Black Rifle Depot
MSRP: $78.95$54.95AR 15 Lower Parts Kit with Tactical Grip - Tan The Black Rifle Depot AR 15 Lower Parts Kit is manufactured from top quality materials and sourced from several of the leading manufactures for firearms parts. So if you are looking for the...MSRP: $78.95$54.95