B5 Systems
Shop B5 Systems at Arms East. U.S. shipping and Canadian PAL export available.
B5 Systems — AR Lower Parts (28)
- AR Braces/Stocks Add to cart
B5 Systems Sierra K delivers a lightweight, compact stock engineered specifically for PDW and compact weapon systems with ambidextrous QD sling mounts and snag-free adjustment. Its reduced profile and slim cheek design maximize maneuverability while the durable Flat Dark Earth finish resists wear.
$57.95Low Stock - AR Braces/Stocks Add to cart
B5 Systems Sierra K Stock delivers compact, mil-spec durability with snag-free adjustment and integrated QD mounts for PDW and short-barreled platforms.
$57.95In Stock - AR Buffer System Add to cart
B5 Systems Quick Disconnect End Plate offers a durable one-piece steel alternative attachment point for single point slings, with milspec manganese phosphate finish and made in the USA.
$19.00In Stock - AR Buffer System Add to cart
B5 Systems Sierra K Extension Kit delivers a complete AR-15 receiver extension upgrade with buffer and spring included for immediate installation.
$128.95In Stock - AR Grips Add to cart
B5 Systems LS2 Grip combines classic A1 styling with enhanced ergonomics and built-in storage, all constructed from Mil-Spec materials for improved performance.
$19.00In Stock - AR Grips Add to cart
B5 Systems LS2 Grip combines classic A1 styling with enhanced ergonomics and integral storage in durable Mil-Spec materials. A modern take on traditional design that delivers contemporary performance without compromising fidelity to the original.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip 22 features an increased vertical grip angle with no backstrap to position your hand higher for enhanced ergonomics and proper trigger control. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip 22K delivers a 13° angle and aggressive texture for superior ergonomics and trigger control on compact AR platforms. Made in the USA with Mil-Spec construction.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip 22K delivers superior ergonomic control with its 13° angle and aggressive texture, optimized for AR-15 PDW and compact weapon systems. Made in the USA with Mil-Spec materials.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip 22 in Wolf Gray features a 13° angle that enhances ergonomics and proper trigger index for AR platform rifles. Made in USA with aggressive surface texture and reduced height for PDW and compact systems.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip 22K features aggressive texture and a 13° angle optimized for PDW and compact weapon systems, positioning your hand higher for maximum engagement and natural shooting stance. Constructed from Mil-Spec materials and Made in USA, this Flat Dark Earth grip delivers reliable performance across AR-platform rifles and pistols.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip Type C delivers enhanced ergonomics with its increased vertical grip angle and extended tang to promote proper trigger index. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip C delivers enhanced ergonomics through increased vertical grip angle and extended tang to promote proper trigger index. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems P-Grip features an increased vertical grip angle that enhances ergonomics and supports proper trigger index, with no backstrap to position your hand higher on the grip. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems Type 22 P-Grip delivers an increased vertical grip angle for superior ergonomics and proper trigger control. Made in USA, this backstrap-free design positions your hand higher on the grip for enhanced engagement.
$19.00In Stock - AR Grips Add to cart
B5 Systems Type 22 P-Grip delivers enhanced ergonomics with its increased vertical grip angle and extended tang to promote proper trigger index. Made in the USA.
$27.55In Stock - AR Grips Add to cart
B5 Systems Type 22 P-Grip features an increased vertical grip angle that enhances ergonomics and promotes proper trigger index, all proudly made in the USA. The gripless backstrap design positions your hand higher for maximum firearm engagement.
$19.00In Stock 
B5 Systems Type 23 P-Grip 8.55 Inch Flat Dark Earth Ergonomic Pistol Grip Accessory
B5 SystemsAdd to cartAR Grips Add to cartB5 Systems Type 23 P-Grip delivers enhanced ergonomics with its increased vertical grip angle and extended tang for superior trigger control. Made in the USA, this 8.55 inch Flat Dark Earth grip optimizes hand positioning and support.
$19.00In Stock- AR Grips Add to cart
B5 Systems Type 23 P-Grip delivers enhanced ergonomics with its increased vertical grip angle and extended tang to support correct trigger index. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems Type 23 P-Grip features an increased vertical grip angle and extended tang for superior ergonomics and proper trigger index. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems Type 23 P-Grip delivers improved ergonomics through increased vertical grip angle and extended tang for optimal trigger index. Made in the USA.
$19.00In Stock - AR Grips Add to cart
B5 Systems Type 23 P-Grip delivers enhanced ergonomics with an increased vertical grip angle and extended tang that promotes proper trigger index. Made in the USA.
$19.00Low Stock
B5 Systems — AR15 Parts (27)
- AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo delivers the trusted SOPMOD cheekweld and sling mount in a slimmer, lighter design—made in the USA with mil-spec durability. This 10.25 inch collapsible stock features an improved latch, no-slip buttpad, and angled geometry for consistent shoulder and cheek placement.
$57.95In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo 10.7 inch delivers the trusted SOPMOD cheekweld and quick-disconnect sling mount in a lighter, more compact mil-spec design made in the USA. This refined collapsible stock eliminates unnecessary bulk while retaining strength and adding an angled rear for faster, more consistent shoulder positioning.
$57.95In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo 9.8 Inch collapsible stock delivers a lighter, more compact, and stronger platform than the Enhanced SOPMOD while retaining proven features like the cheekweld and quick disconnect sling mount. Proudly made in the USA with milspec materials and finishes.
$57.95In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo Multi-Cam stock delivers a slimmer profile than the SOPMOD platform while maintaining the same premium cheekweld and quick-disconnect sling mount, all in just 9.3 ounces of USA-made mil-spec durability.
$84.55In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Bravo-C fixed stock delivers the signature cheekweld and anti-rotation sling mount in a durable, made-in-USA design. Simple setscrew installation fits most carbine receiver extensions.
$53.20In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo delivers a lighter, stronger evolution of their SOPMOD design with angled geometry for faster shouldering—all built from mil-spec materials and made in the USA. It retains the SOPMOD cheekweld and quick disconnect sling mount while eliminating storage for a slimmer profile.
$57.95In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Bravo Mil-Spec stock delivers a lighter, more compact design than the Enhanced SOPMOD while retaining proven features like the SOPMOD cheekweld and quick disconnect sling mount—all made in the USA.
$57.95Low Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ classic CAR15 stock delivers authentic retro styling with modern Mil-Spec polymer construction, sharp checkering, and practical features like a fixed sling loop and cleaning rod egress channel.
$47.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems CAR15 buttstock combines authentic retro design with modern Mil-Spec durability, featuring classic polymer construction, sharp checkering, and a fixed sling loop for reliable performance.
$47.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Long features an adjustable cheekpiece and buttpad built on proven Sopmod/Bravo geometry, optimized for side-charging rifles and made in the USA. Milspec-compatible with internal tensioners, ambidextrous sling mounts, and M-LOK accessory integration for maximum
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Short delivers an adjustable cheekpiece and buttpad built on proven Sopmod ergonomics, all made in the USA with Milspec compatibility. Internal tensioners and ambidextrous sling mounts provide stability and versatile attachment options.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Long delivers a proven cheek profile with adjustable cheekpiece and buttpad, built in the USA for superior ergonomics on AR platforms. Features internal tensioners, ambidextrous sling mounts, and M-LOK accessory compatibility.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Collapsible Precision Stock features an adjustable cheekpiece and buttpad while maintaining full Milspec compatibility and ambidextrous sling mounts. Made in the USA with internal tensioners for stability and M-LOK accessory mounting.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Medium delivers an adjustable cheekpiece and buttpad built on the proven B5 SOPMOD profile, fully compatible with Milspec carbine extensions and made in the USA.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock features an adjustable cheekpiece and buttpad built on proven SOPMOD cheek geometry, plus integrated ambidextrous sling mounts and M-LOK accessory compatibility—Made in the USA.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock Medium features an adjustable cheekpiece and buttpad built on the proven profile of the SOPMOD and Bravo stocks. Made in the USA with Milspec compatibility, ambidextrous sling mounts, and M-LOK accessory mounting.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Short offers an adjustable cheekpiece and buttpad with established cheek profile compatibility, all made in the USA and Milspec carbine receiver extension compatible.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Collapsible Precision Stock (CPS) Short delivers proven Sopmod cheek profile with adjustable cheekpiece and buttpad for enhanced stability. Made in the USA with Milspec compatibility, internal tensioners, ambidextrous sling mounts, and M-LOK accessory mounting.
$218.50In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Enhanced SOPMOD collapsible stock features military-grade construction with color-matched hardware, quick disconnect sling mounts, and dual water-resistant storage—proudly made in the USA.
$95.00In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Enhanced SOPMOD buttstock combines Crane NSWC-designed refinement with military-grade features including dual water resistant storage compartments and color-matched steel hardware. Built with quick disconnect sling mounts and a non-slip cushioned buttpad for reliable field performance.
$121.60In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Enhanced SOPMOD buttstock delivers military-grade reliability with integrated sling mounts, cushioned buttpad, and dual water-resistant storage—proudly made in the USA. Mil-spec construction refines the Crane NSWC design for professional and enthusiast performance.
$95.00Low Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Enhanced SOPMOD is a mil-spec adjustable carbine stock refined from NSWC design with color-matched hardware, quick-disconnect sling mounts, and dual water-resistant storage compartments. Made in the USA with military-grade materials and finishes.
$95.00Low Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ SOPMOD stock brings genuine military-grade design to civilian shooters with dual storage compartments and a no-slip cushioned pad, proudly made in the USA.
$95.00In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems Enhanced SOPMOD delivers military-proven design with color-matched hardware, quick disconnect sling mounts, and dual water-resistant storage—proudly made in the USA.
$95.00In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Enhanced SOPMOD collapsible stock features military-grade construction with dual storage compartments and a no-slip cushioned buttpad, made in the USA.
$95.00In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Enhanced SOPMOD buttstock features color-matched steel hardware, quick disconnect sling mounts, and dual water-resistant storage compartments—all made in the USA with milspec materials.
$121.60In Stock - AR15 Stocks, Forends, Forearms Add to cart
B5 Systems’ Enhanced SOPMOD delivers military-proven design with color-matched hardware, quick disconnect sling mounts, and dual water-resistant storage—all built from milspec materials and proudly made in the USA.
$121.60In Stock
B5 Systems — Rifle Parts (11)
- Rifle Stocks Add to cart
B5 Systems Enhanced SOPMOD stock delivers military-grade durability originally engineered for special forces, featuring ergonomic cheek weld, quick-disconnect sling mounts, and dual water-resistant storage compartments. Made in the United States.
$95.00Low Stock - Rifle Stocks Add to cart
B5 Systems Precision Stock delivers rock-solid stability with 12 internal tensioners eliminating rattle, plus adjustable cheekpiece and buttpad for perfect scope alignment on your AR-15.
$218.50Low Stock - Rifle Stocks Add to cart
B5 Systems CPS Cheekpiece adds 3/8″ of height to enhance your sight picture on any B5 collapsible stock. This black cheekpiece mounts securely via undercut adjustment for a custom fit.
$19.95In Stock - Rifle Stocks Add to cart
B5 Systems Modular Picatinny Stock combines adjustable length of pull with a spring-assist cheekpiece and left-side folding steel hinge for versatile shooter comfort. Made in the USA with durable composite materials and integrated steel hardware, it delivers reliable performance for tactical and precision applications.
$190.00In Stock - Rifle Stocks Add to cart
B5 Systems Modular Picatinny Stock MPS1554 features a spring-assist cheekpiece and integral left-side folding steel hinge for versatile rifle configurations. Built from durable composite and steel with ambidextrous sling mounts and nonslip buttpad.
$190.00In Stock - Rifle Stocks Add to cart
B5 Systems Modular Platform Stock in OD Green features a spring-assist cheekpiece and integral left-side folding steel hinge for superior ergonomics and compact storage. Adjustable length of pull and ambidextrous sling mounts deliver customizable performance on any 1913 Picatinny-railed platform.
$190.00In Stock - Rifle Stocks Add to cart
B5 Systems Modular Picatinny Stock delivers tool-free adjustment and integrated Picatinny rails for maximum AR platform customization. Compact 13.2″ design balances control with maneuverability.
$190.00In Stock - Rifle Stocks Add to cart
B5 Systems Modular Picatinny Stock in Wolf Gray features spring-assist cheekpiece adjustment and left-side folding steel hinge for tactical flexibility. Built with durable composite materials and ambidextrous sling mounts for any platform.
$190.00Low Stock
B5 Systems — AR Upper Parts (10)
- AR Foregrip/Handstop Add to cart
B5 Systems Vertical Grip M-LOK delivers superior weapon handling with aggressive four-sided texture and ergonomic design. Includes M-LOK installation hardware in Coyote Brown.
$19.00In Stock - AR Foregrip/Handstop Add to cart
B5 Systems Vertical Grip M-LOK delivers superior ergonomic design with aggressive four-sided texture for optimized weapon handling, complete with M-LOK installation hardware.
$27.55In Stock - AR Foregrip/Handstop Add to cart
B5 Systems Vertical M-LOK Grip delivers ergonomic optimization for improved weapon handling with aggressive four-sided texture and included installation hardware.
$19.00In Stock - AR Foregrip/Handstop Add to cart
B5 Systems VFG1574 Vertical Grip delivers superior ergonomic weapon handling with aggressive four-sided texture and M-LOK mounting in OD Green.
$19.00In Stock - AR Handguards Add to cart
B5’s CAR 15 Handguard delivers lightweight, slim-profile performance with authentic retro design—a drop-in replacement featuring the original 6 hole configuration and heat shield, built with Mil-Spec materials.
$23.75In Stock - AR Handguards Add to cart
B5 CAR15 Handguard delivers classic 6-hole design with a lightweight, slim profile using Mil-Spec materials. Drop-in replacement handguard with heat shield for retro rifle setups.
$23.75In Stock - AR Handguards Add to cart
B5 Systems M-LOK Carbine handguard delivers improved ergonomics with a slim profile and built-in handstop, featuring six sides of M-LOK slots for flexible accessory mounting. This 7 Inch OD Green two-piece drop-in design directly replaces standard clamshell handguards.
$27.55In Stock - AR Handguards Add to cart
B5 Systems’ slim M-LOK Carbine handguard drops in to replace your standard clamshell with improved ergonomics and six sides of accessory mounting. Built-in handstop and black finish.
$27.55Low Stock - AR Trigger Guards Add to cart
B5 Systems Bravo trigger guard features an enlarged profile for reliable gloved operation in cold weather and tactical scenarios while maintaining the original swing-down function. Made in the USA.
$19.00In Stock - AR Trigger Guards Add to cart
B5 Systems Bravo trigger guard features an enlarged profile for gloved operation in cold weather and tactical environments while maintaining the original swing-down function. Made in the USA.
$19.00In Stock
B5 Systems — AK Parts (4)
- AK Stocks, Forends, Forearms Add to cart
B5 Systems’ Made-in-USA AK handguard delivers aggressive ergonomics and M-LOK accessory mounting for standard AKM pattern receivers. Features integral stainless steel heat shield and durable composite construction.
$38.00In Stock - AK Stocks, Forends, Forearms Add to cart
B5 Systems AK M-LOK Handguard offers M-LOK attachment points and aggressive ergonomic texture for AKM pattern rifles, built in the USA from durable composite with an integral stainless steel heat shield.
$38.00In Stock - AK Stocks, Forends, Forearms Add to cart
B5 Systems AK Stock 4.5 Inch delivers AR-15 platform compatibility for AK-pattern rifles in a compact 4.5-inch design. This black accessory stock is engineered for shooters seeking modern ergonomics on traditional platforms.
$118.75Low Stock - AK Stocks, Forends, Forearms Add to cart
B5 Systems AK Stock 5.5mm Plum offers drop-in compatibility with factory 5.5mm folding stocks while delivering improved ergonomics, adjustable length of pull, and QD/fixed sling mounts—all proudly made in the USA.
$118.75Low Stock
B5 Systems — Gun Parts (3)
- Other Gun Accessories & Parts Add to cart
B5 Systems’ 7 Inch M-LOK Rail Cover in Flat Dark Earth features soft no-slip material with ribbed texturing for superior grip and heat resistance on most machined rails and polymer handguards.
$17.10Low Stock - Other Gun Accessories & Parts Add to cart
B5 Systems Collapsible Precision Stock in Wolf Grey delivers smooth, reliable operation for 5.56 NATO platforms with a medium-length design for enhanced cheek weld and control.
$225.00Low Stock - Other Gun Accessories & Parts Add to cart
B5 Systems M-LOK Rail Cover delivers secure grip with soft no-slip material and ribbing for extra traction and heat resistance. This 7 inch Coyote Brown cover fits most machined rails and polymer handguards.
$17.10In Stock
B5 Systems — Ammunition (1)
B5 Systems — Shooting Supplies (1)
- Gunsmithing Tools & Gunsmith Supplies Add to cart
B5 Systems’ precision-engineered MultiTasker M:4 nests seamlessly inside your buttpad for quick, tool-free access on the AR-15 M4 platform. This single-piece multi-tool features wire-EDM and CNC machining with dot-coded function indicators for reliable field use.
$23.70In Stock
