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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Out of stock
3M/Peltor - Tactical Sport Electronic Earmuff - NRR 22
3M/Peltor
MSRP: $142.99$129.953M/Peltor - Tactical Sport Electronic Earmuff - NRR 22 Featuring proprietary 3M technology that suppresses harmful gunshot noise while amplifying low-level sounds, the Tactical 100 Electronic Hearing Protector is ideal for both indoor and outdoor...MSRP: $142.99$129.95 -
4" .45 ACP Medium Black Nitride Barrel
Black Rifle Depot
MSRP: $115.00$106.954" .45 ACP Medium Black Nitride Barrel Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting standards, we proudly private label their...MSRP: $115.00$106.95 -
Out of stock
4" 9mm Medium Profile QPQ Nitride Barrel
Black Rifle Depot
MSRP: $84.95$79.954" 9mm Medium Profile QPQ Nitride Barrel Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting standards, we proudly private label their...MSRP: $84.95$79.95 -
Out of stock
4" Slick Side Billet 9mm Nitride Pistol M-LOK Upper Assembly
Black Rifle Depot
MSRP: $269.95$236.954" Slick Side Billet 9mm Nitride Pistol M-LOK Upper Assembly An affordable pistol upper assembly without cutting corners. This means using a nitrided steel gas block from an American Manufacturer as opposed to aluminum and quality American Made...MSRP: $269.95$236.95 -
Out of stock
5" .300 BLK 1:5 Micro Black Nitride Barrel
Black Rifle Depot
MSRP: $119.95$89.955" .300 BLK 1:5 Micro Black Nitride Barrel Compact Power and Precision The 5" .300 BLK 1:5 Micro Black Nitride Barrel by Black Rifle Depot is engineered for top performance in compact AR builds. Crafted in partnership with trusted American Tier 1...MSRP: $119.95$89.95 -
Out of stock
5" 5.56 NATO 1:5 Micro Black Nitride Barrel
Black Rifle Depot
MSRP: $119.95$99.955" 5.56 NATO 1:5 Micro Black Nitride Barrel Precision and Compact Performance The 5" 5.56 NATO 1:5 Micro Black Nitride Barrel by Black Rifle Depot is a high-quality component sourced from trusted American Tier 1 manufacturers. Designed to provide...MSRP: $119.95$99.95 -
Out of stock
5.25" .45 ACP Medium Black Nitride Barrel
Black Rifle Depot
MSRP: $115.00$104.955.25" .45 ACP Medium Black Nitride Barrel Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting standards, we proudly private label their...MSRP: $115.00$104.95 -
Out of stock
5/8-24 Extended Flash Hider - .308/6.5
Black Rifle Depot
MSRP: $29.95$24.955/8-24 Extended Flash Hider - .308/6.5 This extended A2 flash hider is perfect for pin and weld jobs on 14.5" barrels, adds 1.75" of length to the barrel when pinned and welded with a crush washer. Machined from 4140 bar stock, Blacknitride+™...MSRP: $29.95$24.95 -
Out of stock
6.5 Creedmoor 20" Midlength 1:8 Stainless Straight Fluted Heavy Barrel
Black Rifle Depot
MSRP: $189.95$179.956.5 Creedmoor 20" Midlength 1:8 Stainless Straight Fluted Heavy Barrel Precision-Machined Barrel for Superior Long-Range Accuracy Experience unparalleled performance with the 6.5 Creedmoor 20" Midlength Heavy Barrel. Sourced from top-tier American...MSRP: $189.95$179.95 -
6.5 Grendel 18" Midlength 1:8 Stainless Steel Heavy Barrel
Black Rifle Depot
MSRP: $159.95$147.956.5 Grendel 18" Midlength 1:8 Stainless Steel Heavy Barrel We collaborate with top-tier machine shops and barrel manufacturers to bring you premium barrels under our BRD brand. When we find a barrel maker that meets our high standards, we private label...MSRP: $159.95$147.95 -
6.5 Grendel 20" Black Nitride Heavy Barrel 1:8 Twist Rifle Length Gas System
Black Rifle Depot
MSRP: $169.95$139.956.5 Grendel 20" Black Nitride Heavy Barrel 1:8 Twist Rifle Length Gas System Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting...MSRP: $169.95$139.95 -
Out of stock
6.5 Grendel, 16" Black Nitride M4 Barrel, 1:8 Twist, Carbine Length Gas System
Black Rifle Depot
MSRP: $125.99$114.956.5 Grendel, 16" Black Nitride M4 Barrel, 1:8 Twist, Carbine Length Gas System This AR-15 16" Black Nitride M4 Contour barrel with a 1:8 twist rate and Carbine length gas system. Our 6.5 Grendel black nitride rifle barrels are made from the finest...MSRP: $125.99$114.95 -
6.5 Grendel, 18" Stainless Straight Fluted Heavy Barrel, 1:8 Twist, Mid Length
Black Rifle Depot
MSRP: $156.99$127.956.5 Grendel, 18" Stainless Straight Fluted Heavy Barrel, 1:8 Twist, Mid Length This AR-15 18" heavy straight fluted stainless 6.5 Grendel barrel has a mid length gas system with a 1:8 twist. Our 6.5 Grendel stainless rifle barrels are made from the...MSRP: $156.99$127.95 -
Out of stock
7" Aero Precision M4E1 Enhanced Upper Receiver and M-LOK Handguard Combo Gen 2
Aero Precision
MSRP: $251.98$229.957" Aero Precision M4E1 Enhanced Upper Receiver and M-LOK Handguard Combo Gen 2 Aero Precision M4E1 Enhanced Upper Receiver and M-LOK handguard combo comes with the upper and handguard mounting platform. . Gen 2 Aero handguards include many...MSRP: $251.98$229.95 -
7.5" 5.56 DRP Pistol Quad Rail Complete Upper
Black Rifle Depot
MSRP: $499.95$399.957.5" 5.56 DRP Pistol Quad Rail Complete Upper The 7.5" 5.56 DRP Pistol Quad Rail Complete Upper is an affordable yet high-quality option for your pistol build. It features a 7.5" Nitride-treated barrel chambered in 5.56 NATO, paired with American-made...MSRP: $499.95$399.95 -
7.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel
Black Rifle Depot
MSRP: $109.95$98.957.5" 5.56 NATO 1:7 Parkerized Pistol Length Barrel Black Rifle Depot prides itself on partnering with premier machine shops and barrel manufacturers across the USA. When we discover a barrel maker that meets our exacting standards, we proudly private...MSRP: $109.95$98.95 -
Out of stock
8" Pistol 5.56 Stainless M-LOK Upper Assembly
Black Rifle Depot
MSRP: $319.95$284.958" Pistol 5.56 Stainless M-LOK Upper Assembly Compact and Reliable Upper for AR-15 Pistol Builds The 8.5" Pistol 5.56 Stainless M-LOK Upper Assembly is designed for shooters seeking a compact, reliable upper for AR-15 pistol builds. Featuring an 8.5"...MSRP: $319.95$284.95 -
Out of stock
8.3" 9mm M-LOK Complete Upper with LRBHO
Black Rifle Depot
MSRP: $398.95$349.958.3" 9mm M-LOK Complete Upper with LRBHO High-Performance Upper for Pistol or SBR Builds The BRD 8.3" 9mm M-LOK Complete Upper with Last Round Bolt Hold-Open (LRBHO) functionality is the perfect choice for your next pistol or NFA-compliant SBR build...MSRP: $398.95$349.95 -
Out of stock
8.5" 300 Blackout 1:8 Pistol Length Barrel - Parkerized
Black Rifle Depot
MSRP: $99.95$87.958.5" 300 Blackout 1:8 Pistol Length Barrel - Parkerized We take pride in partnering with top-tier machine shops and barrel manufacturers to offer you the best barrels under our BRD brand. When we identify a barrel maker that meets our high standards, we...MSRP: $99.95$87.95 -
Out of stock
8.5" 300 Blackout Parkerized Heavy Barrel, 1:8 Pistol Length
Black Rifle Depot
MSRP: $71.99$64.958.5" 300 Blackout Parkerized Heavy Barrel, 1:8 Pistol Length Precision and Durability in a Compact 300 Blackout Barrel The 8.5" 300 Blackout Parkerized Heavy Barrel is crafted for the AR-15 platform with precision and durability in mind. Featuring a 1:8...MSRP: $71.99$64.95 -
9mm 1/2-28 A2 Birdcage Flash Hider
Black Rifle Depot
MSRP: $13.00$9.959mm 1/2-28 A2 Birdcage Flash Hider Enhance your firearm with the 9mm 1/2-28 A2 Birdcage Flash Hider. Featuring a 1/2x28 thread, this flash hider is compatible with both 9mm and 5.56 calibers. Its durable nitride finish ensures longevity, and it comes...MSRP: $13.00$9.95 -
Out of stock
[S]Color=Red
CMMG
$474.95CMMG 8" Barrel and BCG Kit 9mm The CMMG 8" Barrel and BCG Kit in 9mm is a high-quality kit that allows you to build a Pistol Caliber Carbine using CMMG's Patent Pending Radial Delayed Blowback System. This system reduces felt recoil and produces a...$474.95 -
![[S]Platform=S&W M&P 2.O](https://cdn11.bigcommerce.com/s-xzu7y6hc9m/images/stencil/590x590/products/3199/16889/c862ec07-419c-420e-9baa-bf88027b0b39__05856.1714495285.jpg?c=2 "[S]Platform=S&W M&P 2.O")
[S]Platform=S&W M&P 2.O
Rosco Manufacturing
MSRP: $249.00$219.95Purebred 16" 300 Blackout: This Rosco Purebred 16" 300 Blackout (300 BLK) Barrel is perfectly suited for precision carbine shooters that plan on running only supersonic ammo, or are building a well-balanced hunting platform. Rosco Manufacturing's...MSRP: $249.00$219.95 -
[S]Reticle Color=Green,[S]Reticle=Multi
Cross Machine Tool
MSRP: $98.50$93.95Cross Machine Tool 9mm Tactical ZCOMP Linear Compensator - 1/2-36 Cross Machine Tool's ZCOMP™ LINEAR 9mm 1/2 36 thread provides forward directional muzzle blast control desired on rifles with shorter barrels. The outer...MSRP: $98.50$93.95 -
[S]Reticle Color=Red,[S]Reticle=2 MOA Dot
Cross Machine Tool
MSRP: $49.99$46.99Cross Machine Tool 9mm Mini Combat Recoil Compensator - 1/2x28 If you built a 9mm Blowback operated AR-15 then you probably found out they can have some sharp recoil. With the Cross Machine Tool Mini Combat Recoil Compensator, you can mitigate some of...MSRP: $49.99$46.99 -
Out of stock
A*B Arms AR-15 Free Float M-LOK Handguard
A*B Arms
$119.99 - $129.99A*B Arms AR-15 Free Float M-LOK Handguard The A*B Arms A*B Pro Aluminum Free Float Hand Guard for AR-15 rifles is designed to be slim and lightweight. Features: Made in the USA from American sourced 6061 T6 extruded aluminum Hand guards are hard...$119.99 - $129.99 -
Out of stock
A*B Arms AR-15 Lower Parts Kit
A*B Arms
MSRP: $61.43$59.99A*B Arms AR-15 Lower Parts Kit Genuine, Mil-spec, high quality parts for those AR-15/M-16 lower parts that wear down, break, or simply get lost. With this builders kit on hand, you'll always have the lower parts you need to keep your rifle running...MSRP: $61.43$59.99 -
Out of stock
A*B Arms AR-15 MOD1 Carbine Polymer Handguard
A*B Arms
$29.99A*B Arms AR-15 MOD1 Carbine Polymer Handguard American Built Arms MOD1 Handguard. Available in Black or Flat Dark Earth, this 2-piece polymer handguard features upper and lower heat shields for improved cooling. This hand guard is designed to work...$29.99 -
A*B Arms AR-15 Urban Sniper Stock
A*B Arms
$99.99A*B Arms AR-15 Urban Sniper Stock A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The Urban Sniper Stock is the...$99.99 -
A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts Kit
A*B Arms
$59.99A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts Kit A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The AR...$59.99 -
A*B Arms AR-15/M16 Firing Pin - Chrome
A*B Arms
$10.99A*B Arms AR-15/M16 Firing Pin - Chrome AR-15 Mil-Spec Firing Pin. Made from AISI 8740 steel and chrome plated$10.99 -
Out of stock
A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron
A*B Arms
$199.99A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The A*B...$199.99 -
A*B Arms SBR P*Grip AR-15 Pistol Grip
A*B Arms
$17.99A*B Arms SBR P*Grip AR-15 Pistol Grip A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The SBR P*Grip, designed...$17.99 -
A*B Arms SBR V*Grip AR-15 Vertical Grip - Black
A*B Arms
$39.99A*B Arms SBR V*Grip AR-15 Vertical Grip - Black A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The SBR V*Grip,...$39.99 -
Out of stock
Aero BREACH Ambi Charging Handle -Tan/Black - Small Lever
Aero Precision
MSRP: $94.00$76.95AERO Precision BREACH Ambidextrous AR15 Charging Handle -Tan/Black - Small Lever The AERO Precision BREACH Ambidextrous AR15 Charging Handle with Small Lever is a rugged, precision-manufactured charging handle designed to excel in the...MSRP: $94.00$76.95 -
Out of stock
Aero Precision .224 Valkyrie/6.8 SPC Bolt Carrier Group, Complete - Black Nitride
Aero Precision
MSRP: $159.00$147.95Aero Precision .224 Valkyrie/6.8 SPC Bolt Carrier Group, Complete - Black Nitride The Aero Precision .224 Valkyrie Bolt Carrier Group for AR-15 rifles is made from high quality materials with quality assurance measures like high pressure testing and...MSRP: $159.00$147.95 -
Aero Precision .308 Winchester 16" M5 Rifle Build Kit
Aero Precision
MSRP: $1,134.95$914.95Aero Precision .308 Winchester 16" M5 Rifle Build Kit Aero Precision M5 Barreled Uppers are changing the way you shoot large calibers out of a semi-automatic AR-10 platform. The AR-308 platform is not as plug and play as the AR-15 platform and can be a...MSRP: $1,134.95$914.95 -
Aero Precision 11.5" 5.56 M4E1 Threaded Pistol Build Kit
Aero Precision
MSRP: $830.00$759.95Aero Precision 11.5" 5.56 M4E1 Threaded Pistol Build Kit The Aero Precision 11.5" 5.56 M4E1 Threaded Pistol Build Kit is the pinnacle of design and functionality, combining top-tier components suited for enthusiasts seeking superior performance and...MSRP: $830.00$759.95 -
Out of stock
Aero Precision 12" M5 (.308) Enhanced M-LOK Handguard, Gen 2 w/BAR Barrel Nut (FDE)
Aero Precision
MSRP: $199.99$174.95Aero Precision 12" M5 (.308) Enhanced M-LOK Handguard, Gen 2 w/BAR Barrel Nut (FDE) The Aero Precision Enhanced M-LOK (EM) Handguards provide a lightweight free float design for your custom M5 .308 build. The M-LOK system allows advanced...MSRP: $199.99$174.95 -
Out of stock
AERO Precision 16" .223 Wylde Fluted Stainless Steel Barrel
Aero Precision
MSRP: $260.00$219.95Aero Precision 16" .223 Wylde Fluted Stainless Steel AR 15 Barrel, Mid-Length The Aero Precision .223 Wylde Fluted 16 Stainless Steel Barrel is one of the best designs on the market. It combines unique design aesthetics, reduced weight, high...MSRP: $260.00$219.95