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B5 Systems

B5 Systems is an industry leader in U.S. military and aerospace manufacturing. With a passion for quality design and engineering, B5 Systems have created some of the finest firearms accessories on the market.

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B5 Systems Rifle Parts
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B5 Systems Products

1 - 15 of 18 results

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B5 SYSTEMS CAR-15 BUTTSTOCK MIL-SPEC BLACK
CAR-15 BUTTSTOCK MIL-SPEC

B5 SYSTEMS

In stock

£69.90 *

Buttstocks

Brownells, in collaboration with B5 Systems, offers a Mil-Spec buttstock ideal for XM177 clones or early AR builds.
The CAR-15 buttstock is made from durable Mil-Spec polymer and comes in black.
This American made buttstock is a high-quality, accurate, and dependable choice for AR or clone rifle assembly.

B5 SYSTEMS AR-15 SOPMOD BRAVO STOCK COLLAPSIBLE MIL-SPEC BLK
AR-15 SOPMOD BRAVO STOCK COLLAPSIBLE MIL-SPEC

B5 SYSTEMS

In stock

£84.90 * £79.90 - £109.90*

Buttstocks | Rifle Stocks

The B5 Systems AR-15 SOPMOD Bravo Stock is a military-employed, collapsible stock made of reinforced polymer, designed for M4-type receiver extensions.
It features an improved cheekweld for comfort, streamlined contours for snag-free operation, and a Sure-Grip latch for easy length adjustment.
Equipped with a black stainless steel QD swivel mount, anti-slip rubber recoil pad, and two molded sling slots for secure weapon handling.

B5 SYSTEMS GOVERNMENT ISSUE SOPMOD STOCK COLLAPSIBLE MIL-SPEC BLK
AR-15 GOVERNMENT ISSUE SOPMOD STOCK COLLAPSIBLE MIL-SPEC

B5 SYSTEMS

In stock

£129.90 *

Buttstocks

B5 Systems offers Government Issue AR-15 SOPMOD stocks, originally overruns from U.S. Government production runs, ideal for clone rifle builds.
These SOPMOD stocks are similar to Enhanced SOPMOD but lack a QD mount and commercial logo, enhancing their authenticity for military clone setups.
The stocks are available in Black or Coyote, made of polymer, collapsible, and adhere to Mil-Spec standards for AR-15 rifles.

B5 SYSTEMS P-GRIP 23 FLAT DARK EARTH COMPOSITE
AR-15 P-GRIP 23 COMPOSITE

B5 SYSTEMS

In stock

£32.90 * £31.90 - £32.90*

Pistol Grips

B5 SYSTEMS AR-15 GRIP PLUG BLACK
AR-15 BATTERY GRIP PLUGS

B5 SYSTEMS

In stock

£18.90 *

Pistol Grip Components

The Battery Grip Plug is water and dust resistant, ensuring protection for stored items.
Compatible with multiple battery types and the MultiTasker NANO Tool, enhancing its versatility.
Designed with a friction fit for easy installation and removal, and available in standard colors.

B5 SYSTEMS TRIGGER GUARD FLAT DARK EARTH COMPOSITE
AR-15 TRIGGER GUARDS COMPOSITE

B5 SYSTEMS

In stock

£15.90 *

Trigger Guards

The B5 Systems Trigger Guard is an upgrade for AR-15s, offering an enlarged profile suitable for use with gloves.
It retains the swing down function for compatibility with heavier gloves, but replaces the spring-loaded plunger with a screw-in retaining screw.
This trigger guard features a set screw attachment pin and has a Flat Dark Earth finish.

1.5

B5 SYSTEMS COLLAPSIBLE PRECISION STOCK 556 FDE- MEIDUM
556 COLLAPSIBLE PRECISION STOCKS

B5 SYSTEMS

In stock

£279.90 * £279.90 - £284.90*

Buttstocks

The B5 Systems Collapsible Precision Stock is adjustable and can be compacted for easy storage and transport, providing a solid mount for accurate shooting.
It features ambidextrous quick-detach sling-swivel sockets, fixed sling mounts, a lockable adjustment lever, and an M-LOK attachment point for accessories.
Available in multiple colors including black, flat dark earth, and others, the stock is made of polymer and designed to fit mil-spec requirements.

B5 SYSTEMS AR-15 TRIGGER GUARD COMPOSITE COYOTE BROWN
AR-15 BRAVO TRIGGERGUARDS

B5 SYSTEMS

In stock

£15.90 * £15.90 - £31.90*

Trigger Guards

The B5 Systems Bravo trigger guard is an enhanced drop-in replacement for standard AR trigger guards, designed to accommodate glove use.
This trigger guard is made in the USA with either 6061 aluminum or composite material and features a Mil-Spec Type III anodized finish in Coyote Brown.
It maintains the original swing-down function for compatibility with heavier winter gloves and measures 2.10 inches in length and 0.53 inches in height, weighing 3.00 oz.

B5 SYSTEMS M-LOK RAIL COVER OD GREEN
M-LOK RAIL COVERS

B5 SYSTEMS

In stock

£28.90 *

The M-LOK Rail Covers by B5 Systems are low-profile, designed to fit most machined and polymer handguards, and feature a press-in fit that covers 3 M-LOK sections.
These rail covers are made from a soft, no-slip material with ribbing to ensure a secure grip, and are heat and chemical resistant.
Available in OD Green and other standard colors, the rail covers are sold in packs of 4, with each cover measuring 4.6 inches in length and 0.62 inches in width.

B5 SYSTEMS AR-15 BRAVO STOCK MIL-SPEC FIXED GRAY
AR-15 BRAVO STOCKS FIXED

B5 SYSTEMS

In stock

£84.90 *

Buttstocks

The B5 Systems AR-15 Bravo Stock is a fixed, A1 length buttstock incorporating features like an ergonomic cheek weld, one-piece anti-rotational QD sling mount, and a cushioned buttpad.
Made of Mil-Spec materials and finishes, the stock fits Mil-Spec carbine receiver extensions and is available in standard colors.
This American-made stock has dimensions of 8.73 inches in length, 2.00 inches in width, and 4.90 inches in height, weighing 10.25 oz.

B5 SYSTEMS AR-15 ACCESSORY CHEEK PIECE OD GREEN
AR-15 ACCESSORY CHEEK PIECE

B5 SYSTEMS

In stock

£31.90 * £26.90 - £31.90*

Cheek Pieces

The B5 Systems AR-15 Accessory Cheek Piece is designed to fit all variants of the B5 Collapsible Precision Stock and provides 3/8" of added height and horizontal adjustment.
Constructed with Mil-Spec materials and features a soft overmold for increased comfort, available in standard colors including O.D. Green.
The cheek piece has a weight of 2.00 oz, a length of 4.50 inches, and a width of 2.43 inches, ensuring a lightweight and compact addition to the rifle.

🔫 Upgrade your AR-15 with the military-grade SOPMOD stock! Enhanced comfort, 🎯 consistent cheekweld, and battery storage. 🌿 O.D. Green, snag-free design. Shop now!

B5 SYSTEMS AR-15 SOPMOD STOCK COLLAPSIBLE MIL-SPEC OD GREEN
AR-15 ENHANCED SOPMOD STOCK COLLAPSIBLE MIL-SPEC

B5 SYSTEMS

In stock

£134.90 * £134.90 - £154.90*

Buttstocks | Rifle Stocks

The B5 Systems SOPMOD stock is used by the U.S. military, fits M4-type receiver extensions, and offers enhanced cheekweld for comfort and consistency.
It features two waterproof storage compartments for batteries and is designed with streamlined contours to prevent snagging.
Includes a Sure-Grip stock latch for easy adjustment, an anti-slip rubber recoil pad, a stainless steel QD swivel mount, and two sling slots.

4.5

B5 SYSTEMS AR-15 MID-LENGTH HANDGUARD M-LOK BLACK
AR-15 HANDGUARDS M-LOK

B5 SYSTEMS

In stock

£49.90 * £42.90 - £49.90*

Handguards & Rails

B5 Systems AR-15 M-LOK handguards are designed as a two-piece, drop-in replacement for standard clamshell handguards, enhancing ergonomics and providing M-LOK attachment points.
The handguards feature durable composite construction with a built-in aluminum heat shield and are compatible with both round and triangle handguard caps.
Available in both Carbine (7 inches, 3.90 oz.) and Mid-Length (9 inches, 5 oz.) sizes, these handguards maintain a slim profile with a width of 1.75 inches for both models.

B5 SYSTEMS COLLAPSIBLE PRECISION STOCK FDE- SHORT
308 COLLAPSIBLE PRECISION STOCKS

B5 SYSTEMS

In stock

£284.90 * £279.90 - £314.90*

Buttstocks

The B5 Systems Precision Stock offers toolless adjustments for length of pull and cheek height, and locks in place for consistent shooter support.
It is compatible with Law Tactical Folding Stock Adapter and features M-LOK sections, QD cups, and fixed sling mounts for versatile carrying and attachment options.
Available in two models for AR-15 and larger caliber AR platforms, it ensures full charging handle use even with the cheek piece raised.

B5 SYSTEMS AR-15 STANDARD BUTT PAD FDE
AR-15 STANDARD BUTT PADS

B5 SYSTEMS

In stock

£25.90 * £25.90 - £29.90*

Butt Plates

Direct replacement buttpad for B5 Systems SOPMOD, Bravo, and Bravo-C buttstocks with a non-slip, cushioned surface.
Constructed from heat and chemical resistant material; features an internal compartment for the MultiTasker M:4 tool (sold separately).
Easy, toolless installation and available in standard colors to match AR-15 buttstocks, specifically in Flat Dark Earth.

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