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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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 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 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 -
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 -
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 -
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 -
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 -
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 -
Out of stock
AR 15 Extended Takedown Pin (Rear)
Black Rifle Depot
MSRP: $8.95$7.95AR 15 Extended Takedown Pin (Rear) The AR-15 Extended Takedown Pin (Rear) is a great replacement for the one that was lost. It is a drop-in heavy-duty replacement part for every type of sportsman or sportswoman. Remember that Black Rifle Depot is...MSRP: $8.95$7.95 -
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 -
AR 15 Bolt Catch Roll Pin
Black Rifle Depot
$1.49AR 15 Bolt Catch Roll Pin The quality of the Black Rifle Depot AR 15 Bolt Catch Roll Pin is Mi-Spec. It is exactly what you need, so be sure to get a few on hand before you find out you need one while at the range or on that big hunt. Remember...$1.49 -
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 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 -
Strike Industries MOD-1 Stock (Black, FDE, Red, Blue)
Strike Industries
MSRP: $45.95 - $46.95$40.95 - $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$40.95 - $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 -
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 -
Magpul MOE Enhanced Trigger Guard (Black)
Magpul
MSRP: $9.95$9.45Magpul MOE Enhanced Trigger Guard (Black) The Magpul MOE Enhanced Trigger Guard is a black polymer drop-in replacement for the AR15/M4 weapons platform. This upgraded trigger guard is easily installed without the use of specialized tools, using three set...MSRP: $9.95$9.45 -
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 -
Strike Industries AR 15 Lower Receiver Spring Kit
Strike Industries
MSRP: $9.95$8.25Strike Industries AR 15 Lower Receiver Spring Kit The Strike Industries AR 15 lower Receiver spring replacement kit includes 9 important springs that are commonly replaced or easily lost when building stripped AR 15 lower receivers. The...MSRP: $9.95$8.25 -
Aero Precision AR 15/AR10 Carbine Buffer Tube
Aero Precision
MSRP: $44.00$36.95Aero Precision AR 15 Carbine Buffer Tube Aero Precision AR 15 Carbine Receiver Extension Features: Mil spec Dimension 7075 Aluminum Buffer Tube 6-position Buffer Length: 2.5" Made in the USAMSRP: $44.00$36.95 -
AR 15 Receiver Pivot Pin
Black Rifle Depot
MSRP: $3.99$3.75AR 15 Receiver Pivot Pin The OEM AR 15 Receiver Pivot Pin from Black Rifle Depot is a steel constructed, Mil-Spec receiver pin that has been parkerized for durability and longevity. Remember that Black Rifle Depot is your online shop...MSRP: $3.99$3.75 -
Out of stock
Strike Industries Billet Magazine Catch Assembly - OD Green
Strike Industries
MSRP: $19.95$18.95Strike Industries Billet Magazine Catch Assembly - OD Green The Strike Industries Billet magazine catch assembly was designed from the ground up to build to enhance the aesthetics of your AR-15 or AR-308. Machined from billet 6061-T6 aluminum, the...MSRP: $19.95$18.95 -
Out of stock
ATI X1 AR-15 Recoil Reducing Pistol Grip
Advanced Technology
MSRP: $29.99$26.95ATI X1 AR-15 Recoil Reducing Pistol Grip The ATI X1 Recoil Reducing Pistol Grip features a special material that absorbs the initial shock felt punch of the recoil. This increases the shooter’s comfort while reducing the muzzle lift...MSRP: $29.99$26.95 -
Out of stock
Aero Precision AR-15 Mil-Spec Carbine Buffer 3oz
Aero Precision
MSRP: $15.00$12.95Aero Precision AR-15 Mil-Spec Carbine Buffer 3oz Aero Precision AR-15 Mil-Spec Carbine Buffer. This true mil-spec buffer is AMERICA Made and features three separate weights which adds reciprocating mass to the buffer and prevents bolt bounce. The same...MSRP: $15.00$12.95 -
AR 15 Magazine Release Button
Black Rifle Depot
$2.95AR 15 Magazine Release Button The Black Rifle Depot AR 15 Magazine Release Button is a must have for any serious sportsman. You cannot afford to get to the range or hunt and need a replacement part you don't have. Be sure to add these and the other...$2.95 -
Out of stock
Rise Armament RA-140 Drop-in Trigger
Rise Armament
MSRP: $149.99$129.95Rise Armament RA-140 Drop-in Trigger Upgrade Your AR-15 for Precision and Speed with a Single-Stage, 3.5lb. Trigger Pull The Rise Armament RA-140 Super Sporting Trigger (SST) is designed for shooters looking to improve their AR-15 with a...MSRP: $149.99$129.95 -
SB Tactical SBA4X Brace Only
SB Tactical
MSRP: $124.99$99.99SB Tactical SBA4X Brace Only The SBA4 is the next evolution in adjustable stabilizing braces designed by SB Tactical. Based on the original design of the SBM4, the SBA4 offers a more comfortable cheek weld and a more rugged, reinforced design. Designed...MSRP: $124.99$99.99 -
Strike Industries AR Stock Stop
Strike Industries
MSRP: $5.95$4.50Strike Industries AR Stock Stop (for Featureless/Fixed Stock Conversion) Keep the look of your existing stock and buffer tube but be able to convert it to fixed! The Stock Stop is the most affordable, easiest, and quickest way to convert your...MSRP: $5.95$4.50 -
JE4 AR 15 Stock
JE Machine Tech
MSRP: $43.99$29.95JE4 AR 15 Stock The JE4 Stock features many design elements from a LE-style stock while incorporating a host of upgrades. The unlocking buffer tube lever allows for easy stock removal from the rifle, and the recoil pad aids in contact point...MSRP: $43.99$29.95 -
AR 15 Safety Selector
Black Rifle Depot
$7.95AR 15 Safety Selector The OEM AR 15 Safety Selector is a Mil-Spec selector for those who want reliability without frills or bling. You might not think that having a spare AR safety selector in your bag or bech arsenal is important, but the peace of mind...$7.95 -
BLP AR-15 Lower Kit - No Stock
Budget Line Products
MSRP: $109.90$74.95BLP AR 15 Lower Kit - No Stock The BLP AR 15 Lower Kit is a complete package designed to improve the functionality of your AR 15 rifle's lower receiver. This kit includes a comprehensive BLP Lower Parts kit that provides all the essential components,...MSRP: $109.90$74.95