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
Dirty Bird Mil-Spec Style Ambidextrous Safety Selector
Dirty Bird Industries
MSRP: $14.95$13.95Dirty Bird Mil-Spec Style Ambidextrous Safety Selector Similar to a standard Mil-Spec style Ambi Safety but with one lever scalloped. The scalloped lever can be placed on either side of the rifle so it is less intrusive on strong-side of the weapon...MSRP: $14.95$13.95 -
Sprinco AR-15/10 Buffer Spring
Sprinco USA
$19.95Sprinco AR-15/10 Buffer Spring Standard AR15/M4 buffer springs (aka "action springs") are wear items which must be replaced regularly in order for AR-15s to operate reliably, with conservative replacement taking place every 5000 rounds. Sprinco action...$19.95 -
Strike Industries Multi-Function Endplate
Strike Industries
MSRP: $36.95$31.95Strike Industries Multi-Function End Plate w/Anti-Rotation Castle Nut-BLK The SI Multi-Function End Plate and Anti-Rotation Castle Nut are designed to update and upgrade the often neglected castle nut and endplate system. While the...MSRP: $36.95$31.95 -
Out of stock
MAGPUL CTR® Mil Spec Stock (FDE)
Magpul
MSRP: $64.95$61.70MAGPUL CTR® Mil Spec Stock (FDE) The Magpul CTR (Compact/Type Restricted) - Mil-Spec model is a drop-in replacement buttstock for AR15 / M16 carbines using Mil-Spec sized receiver extension tubes. Designed for light, fast action, the...MSRP: $64.95$61.70 -
Out of stock
POF Enhanced Universal AR 15 Bolt Catch
Patriot Ordnance Factory
MSRP: $15.00$14.95POF Enhanced Universal AR 15 Bolt Catch The new enhanced universal bolt catch is just another example of POF's continuation of innovation. The large angled bolt catch pad allows for faster bolt catch activation to clear the rifle. It also contains a...MSRP: $15.00$14.95 -
Strike Industries AR15 Overmolded Enhanced Pistol Grip 15° (FDE)
Strike Industries
MSRP: $23.95$21.95Strike Industries AR15 Overmolded Enhanced Pistol Grip 15° (FDE) The Strike Industries AR Overmolded Enhanced Pistol Grip comes with a rubberized texture to suit any shooter’s needs; 15 degrees. Just like the Strike Industries Enhanced...MSRP: $23.95$21.95 -
Trinity Force Alpha Stock - Black W/ Buffer Tube
Trinity Force
MSRP: $29.99$24.95Trinity Force Alpha Stock - Black W/ Buffer Tube The Alpha Stock is versatile enough to work with any AR build. It features a low profile adjustment latch, double injected rubber cheek rest, and slick sided profile. The butt-pad profile is angled to...MSRP: $29.99$24.95 -
AR-15 Lower Build Kit - Tan Stock
Black Rifle Depot
MSRP: $124.95$79.95AR-15 Lower Build Kit - Tan Stock The Black Rifle Depot AR 15 Lower Build Kit in Tan is the standard LE - Law Enforcement design and features a lightweight snag free frame with sling loop attachment. The small frame makes and features make...MSRP: $124.95$79.95 -
Out of stock
KAK AR-15 / LR-308 A2 Standard Rifle Buffer Tube
KAK Industry
$20.00KAK AR-15 / LR-308 A2 Standard Rifle Buffer Tube For use in rifle stocks. Can be used for AR-15 or LR-308 with the correct buffer. Hard black anodized finish.$20.00 -
AR-15 Trigger Guard Assembly
Black Rifle Depot
MSRP: $7.50$4.95AR-15 Trigger Guard Assembly The OEM AR 15 Trigger Guard Assembly from Black Rifle Depot is a US made Mil-Spec product that is a must have for any AR builder that wants lightweight replacement parts in his bug-out bag. Remember...MSRP: $7.50$4.95 -
Out of stock
Hera Arms AR 15 H3L 10-Round Magazine (Black)
Hera USA
$12.90Hera Arms AR 15 H3L 10-Round Magazine (Black) The HERA USA H3L magazines are designed and built from high quality impact resistant polymer. These magazines are made with quality followers, springs and floorplates. HERA magazines are...$12.90 -
Out of stock
UTG Pro Ambidextrous Pistol Grip - Black
Leapers / UTG
MSRP: $16.97$14.97UTG Pro Ambidextrous Pistol Grip - Black This is the UTG Pro ambidextrous pistol grip for the AR 15. The ergonomic symmetrical palm swells reduce fatigue and improve handling comfort. Its nonslip textured beavertail" palm swells and finger grooves...MSRP: $16.97$14.97 -
AR 15 Hammer Spring
Black Rifle Depot
MSRP: $2.00$1.90AR 15 Hammer Spring The OEM Black Rifle Depot replacement hammer spring fits the oem kits BRD sells. It replaces any damaged, broken or lost parts during your build. Grab an extra one for your bag or shop today. Remember that Black Rifle Depot is...MSRP: $2.00$1.90 -
Out of stock
Battle Arms BAD-ASS-PRO Professional Ambidextrous Safety Selector Reversible 90/60
Battle Arms Development
MSRP: $45.00$39.95Battle Arms BAD-ASS-PRO Professional Ambidextrous Safety Selector Reversible 90/60 The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is...MSRP: $45.00$39.95 -
Dirty Bird 2-Stage Trigger Group
Dirty Bird Industries
MSRP: $99.95 - $149.95$89.95 - $134.95Dirty Bird 2-Stage Trigger Group For shooters seeking a combination of value, reliability and precision, the Dirty Bird 2-Stage Trigger Group checks all the boxes. This trigger assembly takes advantage of a two stage fire control design that...MSRP: $99.95 - $149.95$89.95 - $134.95 -
DURAMAG Stainless Steel 28rd 7.62x39 Magazine - Black
Duramag
MSRP: $28.30$24.95DURAMAG Stainless Steel 28rd 7.62x39 Magazine - Black CPD Magazine AR-15 7.62X39 28RD Blackened Stainless Steel Features: Width: 5.3500 Finish: Black Matte Height: 1.2000 Length: 11.7000 Caliber: 7.62X39 Capacity: 28 Rounds Material: Stainless...MSRP: $28.30$24.95 -
Out of stock
ODIN Works XMR2 Extended Mag Release
Odin Works
MSRP: $22.00$21.95ODIN Works XMR2 Extended Mag Release Shooters wanted an ODIN Works XMR (eXtended Magazine Release) that worked with Magpul BAD levers. Machined from billet 6061 aluminum featuring the ODIN boomerang cuts, the XMR 2 is the one accessory every...MSRP: $22.00$21.95 -
Out of stock
KAK AR-15 H2 Heavy Buffer
KAK Industry
MSRP: $25.00$23.95KAK AR-15 H2 Heavy Buffer A common and inexpensive upgrade, swapping a standard carbine buffer for a heavier H2 Buffer can be the remedy for an overgassed system and reduce the felt recoil when firing. The KAK H2 AR-15 buffer body is machined from...MSRP: $25.00$23.95 -
Out of stock
Magpul MOE Grip (Gray)
Magpul
MSRP: $20.95$19.90Magpul MOE Grip (Gray) MAGPUL MOE Grip for AR15/M16 is a quick drop-in upgrade to the standard AR15 or M16 rifle model. The texturing on the MOE AR15 Gun Grip from Magpul Industries provides improved ergonomics and handling over...MSRP: $20.95$19.90 -
Out of stock
Magpul MOE Trigger Guard (FDE)
Magpul
$8.95Magpul MOE Trigger Guard (FDE) The Magpul Polymer Trigger Guard in Flat Dark Earth is here at Black Rifle Depot. It is a great upgrade for your custom build. Remember it's the little details that make all the difference. Features: Drop In...$8.95 -
Out of stock
CMMG A1 AR 15 Stock Kit
CMMG
$99.95A1 AR 15 Stock Kit The CMMG A1 AR 15 Stock Kit has the true retro look of the original M16A1 Rifle. These AR 15 Stock kits use a rifle length AR 15 Buffer Tube and Rifle length spring for a smoother shooting rifle. Each kit features a...$99.95 -
DURAMAG 30-Round AR-15 Magazine 7.62x39mm
Duramag
MSRP: $29.30$19.99DURAMAG 30-Round AR-15 Magazine 7.62x39mm DURAMAG designs stainless steel magazines to meet the needs of today's combat conditions. These stainless steel magazines are extremely durable and dependable, and routinely outperform the mil-spec...MSRP: $29.30$19.99 -
Trinity Force Omega AR-15 Stock Kit - Black
Trinity Force
MSRP: $64.95$49.95Trinity Force Omega AR 15 Stock Kit - Black The Trinity Force Omega 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,...MSRP: $64.95$49.95 -
Retro A1 Pistol Grip for AR 15
Luth-AR
MSRP: $15.25$14.99Luth-AR A1 Pistol Grip Black A1 Style Pistol Grip made of Dupont Zytel 30% glass filled nylon. This is the grip only. Screw and washer must be purchased separately.MSRP: $15.25$14.99 -
SOPMOD Stock Kit - Black
Black Rifle Depot
MSRP: $109.40$69.95SOPMOD Stock Kit - Black The SOPMOD AR 15 Stock Kit from Black Rifle Depot is the ultimate upgrade solution for your AR 15. The kit comes complete with a top-of-the-line SOPMOD AR 15 Stock, designed with watertight compartments for battery storage and a...MSRP: $109.40$69.95 -
Out of stock
Unrivaled Armory 2-Stage Dead Blow Duty Buffer System
Unrivaled Armory
$169.00Unrivaled Armory 2-Stage Dead Blow Duty Buffer System A full mass version of our championship winning competition buffer. Same reciprocating mass as standard carbine buffer (3.2oz) Ideal for “duty” or “tactical” rifles Imbedded...$169.00 -
UTG PRO AR15 S1 Ops Ready 6 Position Stock (BLK)
Leapers / UTG
MSRP: $39.97$34.97UTG PRO AR15 S1 Ops Ready 6 Position Stock The UTG AR 15 Ops Ready S1 Mil-Spec Polymer Stock in Black is a high quality upgrade for your AR platform build. It has six positions for ease of use. You can count on the quality and construction from every...MSRP: $39.97$34.97 -
Armaspec Gun Builders Stainless AR 15 Lower Parts Kit
Armaspec
MSRP: $79.99$71.99Armaspec Gun Builders Stainless AR 15 Lower Parts Kit Armaspec Stainless Steel Gun Builders Lower Parts Kit less Trigger Group & Grip for .223/5.56 . If you are looking for a high end gun builder's kit, than this one is for you. It...MSRP: $79.99$71.99 -
Hexmag Carbon Fiber Magazine - .223/5.56 - 30RD
Hexmag
MSRP: $20.99$16.95Hexmag Carbon Fiber Magazine – .223/5.56 – 30RD High quality components and precise manufacturing make Hexmag ideal for both new shooters and experienced gun owners. The durability, reliability and excellent build quality will provide years...MSRP: $20.99$16.95 -
KAK Industry A5 Style 9-Position Buffer Tube
KAK Industry
MSRP: $39.95$34.95KAK Industry A5 Style 9-Position Buffer Tube NOTE- Our A5 Style Buffer Tube is only compatible with A5 Style Buffers and Rifle Length AR15 buffer springs Material- High Quality 7075 Finished- Black Military Hard Coat...MSRP: $39.95$34.95 -
Out of stock
Magpul MOE® Mil Spec Stock (Gray)
Magpul
MSRP: $44.95$42.70Magpul MOE® Mil Spec Stock (Gray) 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 -
Out of stock
UTG AR 15 Ambidextrous 45/90 Safety Selector - BLUE
Leapers / UTG
MSRP: $29.97$24.97UTG AR 15 Ambidextrous 45/90 Safety Selector - BLUE The Leapers UTG® AR15 Ambidextrous 45/90 safety selector is the perfect AR-15 upgrade because it includes installation tool and hardware, detent, and detent spring and it has a reversible short and...MSRP: $29.97$24.97 -
UTG Windowed Polymer 30 Round AR 15 Magazine
Leapers / UTG
MSRP: $14.97$11.95UTG Windowed Polymer 30 Round AR 15 Magazine Lightweight, durable, and reliable are exactly what you should look for in a magazine. Look no further than the UTG windowed polymer magazine! This excellent magazine is built from high-strength...MSRP: $14.97$11.95 -
Out of stock
Wilson Combat AR 15 Extended Bolt Catch
Wilson Combat
MSRP: $32.48$31.95Wilson Combat AR 15 Extended Oversized Bolt Catch The oversized bolt release is designed to assist with the fastest possible reloads with your tactical rifle. Fully serrated and CNC machined out of bar stock steel for maximum durability, the bolt...MSRP: $32.48$31.95 -
Aero Precision Billet Trigger Guard w/ Logo
Aero Precision
MSRP: $29.00$25.99Aero Precision Billet Trigger Guard w/Logo This Aero Precision Billet Trigger guard is an upgrade for your AR 15 or AR 10 Build. Their new design features a sleek profile and hard engraved Aero Precision "A" logo and installs with 3 button...MSRP: $29.00$25.99 -
AR 15 Magazine Catch
Black Rifle Depot
$3.95AR 15 Magazine Catch Features: Mil-Spec Design Steel Construction Phosphate Finish Mad In The USA$3.95 -
BCMGUNFIGHTER Stock - MOD 0
Bravo Company USA Inc.
MSRP: $60.00$58.95BCMGUNFIGHTER Stock - MOD 0 The Strongest Lightweight Polymer Stock for Your Mil-Spec Build. The BCMGUNFIGHTER Stock – MOD 0 from Bravo Company is designed to be the strongest lightweight polymer stock available for your mil-spec receiver extension...MSRP: $60.00$58.95 -
Out of stock
Geissele Maritime Bolt Catch
Geissele Automatics
$29.00Geissele Maritime Bolt Catch Enhanced Bolt Catch for Improved Functionality and Control The Geissele Maritime Bolt Catch is engineered to improve the functionality and usability of the M16/M4 Carbine platform, with features tailored for military...$29.00 -
Out of stock
KRISS DS150 Mil-Spec AR 15 Lower Build Kit (FDE)
Kriss USA
$144.95KRISS DS150 Mil-Spec AR 15 Lower Build Kit (FDE) The DEFIANCE DS150 AR 15 Stock fits AR 15 mil-spec buffer tubes. Sockets capable of accepting a QD sling mount can be found on the left and right side of the stock and a removable...$144.95 -
Magpul MOE Lower Build Kit For AR-15 - Black
Magpul
MSRP: $179.95$134.95Magpul MOE® Lower Build Kit For AR 15 (Black) The Magpul Industries AR 15 Lower Build Kit is the perfect choice for those looking to upgrade their firearm. This comprehensive kit includes Magpul Industries stock and grip, as well as a buffer kit, and...MSRP: $179.95$134.95