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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Butler Creek Flip Up Scope Cover - 02A Objective
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 02A Objective Precision Lens Protection with Fast, Flip-Open Access The Butler Creek Flip-Up Scope Cover - 02A Objective is engineered for quick, silent operation, ensuring nothing stands between you and your target...$9.95 -
Butler Creek Flip Up Scope Cover - 11 Eyepiece
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 11 Eyepiece Instant Lens Protection with Custom Fit and Quick Access The Butler Creek Flip-Up Scope Cover - 11 Eyepiece offers hunters and shooters the ultimate in lens protection. Its flip-open design allows rapid...$9.95 -
Butler Creek Flip Up Scope Cover - 14 Eyepiece
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 14 Eyepiece Quick-Access Lens Protection for Precision and Performance The Butler Creek Flip-Up Scope Cover - 14 Eyepiece offers unmatched lens protection for hunters and shooters who demand clear optics and fast access...$9.95 -
Butler Creek Flip Up Scope Cover - 18 Eyepiece
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 18 Eyepiece Instant Lens Protection for Unmatched Clarity in the Field The Butler Creek Flip-Up Scope Cover - 18 Eyepiece is built to deliver ultimate protection for your scope lens. Engineered for hunters and shooters...$9.95 -
Butler Creek Flip Up Scope Cover - 19 Eyepiece
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 19 Eyepiece Reliable, Instant Lens Protection for Precision in Any Environment The Butler Creek Flip-Up Scope Cover - 19 Eyepiece is the ideal solution for hunters and shooters who need quick, dependable protection for...$9.95 -
Butler Creek Flip Up Scope Cover - 19 Objective
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 19 Objective Quick, Reliable Lens Protection for Uninterrupted Target Focus The Butler Creek Flip-Up Scope Cover - 19 Objective offers essential protection for your optics, designed to keep your view clear in any...$9.95 -
Butler Creek Flip Up Scope Cover - 26 Objective
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 26 Objective Instant, Reliable Lens Protection for Precision Targeting The Butler Creek Flip-Up Scope Cover - 26 Objective provides essential protection for your scope lens, designed for instant, quiet access and a...$9.95 -
Butler Creek Flip Up Scope Cover - 31 Objective
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 31 Objective Reliable, Quick-Access Protection for Your Optics The Butler Creek Flip-Up Scope Cover - 31 Objective is designed to provide your scope lens with the utmost protection while allowing immediate access. With...$9.95 -
Butler Creek Flip Up Scope Cover - 40 Objective
Butler Creek
$9.95Butler Creek Flip Up Scope Cover - 40 Objective Reliable, Quick-Access Protection for Your Optics The Butler Creek Flip-Up Scope Cover - 31 Objective is designed to provide your scope lens with the utmost protection while allowing immediate access...$9.95 -
Butler Creek Ruger 10/22 .22LR 25rd Magazine
Butler Creek
MSRP: $39.99$37.95Butler Creek Ruger 10/22 .22LR 25rd Magazine Reliable, Competition-Grade Magazine for Serious Shooters The Butler Creek Ruger 10/22 .22LR 25-Round Magazine is crafted for high performance and precision, making it a top choice for competitive and...MSRP: $39.99$37.95 -
Out of stock
Centurion Arms .750 Low Profile Gas Block - Phosphate
Centurion Arms
MSRP: $45.00$42.95Centurion Arms .750 Low Profile Gas Block - Phosphate With the all of the free float rail systems currently being offered for the AR15 and M4 weapon systems, the Centurion Arms LLC gas block is small enough to fit under most rail systems. These gas...MSRP: $45.00$42.95 -
Centurion Arms AR-15 CMR M-LOK Handguard
Centurion Arms
MSRP: $220.00 - $240.00$209.95 - $228.95Centurion Arms AR-15 CMR M-LOK Handguard The Centurion Arms CMR is designed to be a lightweight, simple, and effective free float handguard that is highly configurable for any mission. It features a rigid picatinny top rail for mounting back up iron...MSRP: $220.00 - $240.00$209.95 - $228.95 -
Out of stock
Centurion Arms C4 5.56 Billet AR-15 Upper Receiver
Centurion Arms
MSRP: $200.00$190.00The Centurion Arms C4 Billet AR-15 Upper Receiver is designed to be used with the C4 Billet Lower. It is machined from a solid block of 7075-T6 aluminum and is Type III Class 2 hardcoat anodized black to military standards. It features a flat...MSRP: $200.00$190.00 -
Centurion Arms C4 M-LOK Handguard - 12"
Centurion Arms
MSRP: $310.00$294.95Centurion Arms C4 M-LOK Handguard - 12" Centurion Arms LLC is happy to announce the C4 MLOK® rail.The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that when installed gives the...MSRP: $310.00$294.95 -
Centurion Arms C4 M-LOK Handguard - Carbine Cutout
Centurion Arms
MSRP: $280.00$266.95Centurion Arms C4 M-LOK Handguard - Carbine Cutout Centurion Arms LLC is happy to announce the C4 MLOK® rail.C4 MLOK CARBINE CUT The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail...MSRP: $280.00$266.95 -
Out of stock
Centurion Arms C4 M-LOK Handguard - Midlength Cutout
Centurion Arms
MSRP: $320.00$304.95Centurion Arms C4 M-LOK Handguard - Midlength Cutout Centurion Arms LLC is happy to announce the C4 M-LOK rail. C4 MLOK MID CUT The MLOK C4 rail system is based off the patented quad rail version. It is a lightweight, rugged, 2-piece free float rail that...MSRP: $320.00$304.95 -
Out of stock
Centurion Arms C4 Quad Rail Handguard - Midlength Cutout
Centurion Arms
MSRP: $320.00$314.95Centurion Arms C4 Quad Rail Handguard - Midlength Cutout The C4 rail system is a lightweight, rugged, 2 piece free float rail that when installed gives the uppers a continuous top rail. The Midlength cutout version allows for a longer bottom / side rails...MSRP: $320.00$314.95 -
Out of stock
Centurion Arms For Glock 19 Magazine Extension
Centurion Arms
MSRP: $33.00$31.95Centurion Arms For Glock 19 Magazine Extension GLOCK 19/23 +4/5 GLOCK +4/5 extensions work on GLOCK models 19/23. This base pad will add 5 extra rounds in 9mm and 4 extra rounds in 40 Caliber to the magazine. The extensions do add a little extra weight...MSRP: $33.00$31.95 -
Out of stock
Centurion Arms Hammer Forged 5.56 Carbine Barrel - 11.5"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Centurion Arms Hammer Forged 5.56 Lightweight Mid-Length Barrel - 16"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Out of stock
Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5"
Centurion Arms
MSRP: $275.00$270.95Centurion Arms Hammer Forged 5.56 Mid-Length Barrel - 14.5" The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will...MSRP: $275.00$270.95 -
Out of stock
Centurion Arms Micro Optic Mount
Centurion Arms
MSRP: $75.00$71.25MICRO MOUNT The Centurion Arms, LLC Micro Mount is designed to securely mount a variety of popular optics to your flat-top upper receiver including Aimpoint's Micro R-1, H-1, H-2, T-1, T-2, Vortex's Sparc I & II, Primary Arms Micro Dot &...MSRP: $75.00$71.25 -
Out of stock
Centurion Arms Midweight Hammer Forged 5.56 Carbine Barrel - 10.3"
Centurion Arms
$275.00The Centurion Arms cold hammer forged 5.56 AR-15 barrels are made from high quality 41V50 Chrome Moly Vanadium—steel specifically designed for machine gun barrels—so you know it will last thousands of rounds. In order to get the 1:7 twist...$275.00 -
Out of stock
Centurion Arms MK12 18 5.56 NATO 1:7 R5 416R Stainless Steel Rifle Length Barrel
Centurion Arms
$450.00Centurion Arms MK12 Rifle Barrels are the result of development done by the U.S. government to give Special Operations forces the best possible weapon system. Troops who have carried these Rifle Barrels from Centurion Arms give them high marks for...$450.00 -
Out of stock
Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel
Centurion Arms
MSRP: $450.00$427.95Centurion Arms MK12 18" 5.56 NATO 1:7 416R Stainless Steel Rifle Length Barrel These are Crane Spec. MK12 barrels. These barrels are the result of tens of thousands of dollars in development done by the U.S. government to give our Special Operations guys...MSRP: $450.00$427.95 -
Centurion Arms PMAG Magazine Extension
Centurion Arms
MSRP: $26.00$24.95Centurion Arms PMAG Magazine Extension PMAG Extension for AR 5.56/ .223 These 5.56 PMAG extensions work on any 5.56/.223, 30 or 40 round, Gen.3 PMAG magazine. These extensions add 5 extra rounds to a PMAG 30 round magazine and extra 6 rounds in a 40...MSRP: $26.00$24.95 -
Out of stock
CMC 9mm Single Stage Drop In Trigger
CMC Triggers
MSRP: $189.00$170.95CMC 9mm Single Stage Drop In Trigger The CMC Single Stage trigger features a non-adjustable curved trigger bow with a 3.5lb pull that breaks like glass. It has almost no take-up and extremely short reset to make follow up shots fast and easy. The curved...MSRP: $189.00$170.95 -
CMC AR-10 Enhanced Bolt Carrier Group - Black Nitride
CMC Triggers
$300.00CMC AR-10 Enhanced Bolt Carrier Group - Black Nitride The CMC Triggers Enhanced AR-308 Bolt Carrier Group has been expertly designed to increase the life and reliability of your AR rifle. It features a new geometry that reduces the amount of friction...$300.00 -
Out of stock
CMC Fluted Barrel for Glock 17
CMC Triggers
$199.00 - $210.00CMC Fluted Barrel for Glock 17 Features: Precision 6-groove cut rifling - 9mm 1/10 right hand twist rifling Available in 1/2-28 RH thread for muzzle device/suppressor attachment Enhanced slide fit & lock up for improved accuracy Fully supported...$199.00 - $210.00 -
CMC Fluted Barrel for Glock 19
CMC Triggers
$199.00 - $210.00CMC Fluted Barrel for Glock 19 Features: Precision 6-groove cut rifling - 9mm 1/10 right hand twist rifling Available in 1/2-28 RH thread for muzzle device/suppressor attachment Enhanced slide fit & lock up for improved accuracy Fully supported...$199.00 - $210.00 -
CMC for Glock Flat Trigger Kit - 9mm/GEN 4
CMC Triggers
$172.75CMC for Glock Flat Trigger Kit - 9mm/GEN 4 With roots in aerospace manufacturing, CMC is perhaps best known as the producer of the original drop-in precision trigger for the AR-15/10 platform. CMC Triggers are dedicated to crafting the finest parts and...$172.75 -
Out of stock
CMC for Glock Flat Trigger Kit - 9mm/GEN 5
CMC Triggers
$172.75CMC for Glock Flat Trigger Kit - 9mm/GEN 5 Upgrade your 9mm Gen 5 Glock with this factory flat faced trigger. The standard trigger that comes with Glock handguns is curved and can be uncomfortable to some people. If you are one of those people, this flat...$172.75 -
Out of stock
CMC for Glock Flat Trigger Kit - 9mm/Slimline G43, G43X, G48
CMC Triggers
$172.75CMC for Glock Flat Trigger Kit - 9mm/Slimline G43, G43X, G48 With roots in aerospace manufacturing, CMC is perhaps best known as the producer of the original drop-in precision trigger for the AR-15/10 platform. CMC Triggers are dedicated to crafting the...$172.75 -
Out of stock
CMC Lower Parts Kit (no grip) w/ Single Stage Curved Trigger
CMC Triggers
$249.00CMC Triggers Lower Receiver Parts Kit (without grip) w/ AR 15/AR 10 Single Stage Curved Trigger CMC Triggers Complete Lower Receiver Parts Kit for AR-15 is a great addition to your AR15 build. From amateur gun builder to seasoned expert gun smith, this...$249.00 -
Out of stock
CMC Lower Parts Kit (no grip) w/ Single Stage Flat Trigger
CMC Triggers
$249.00CMC Triggers Lower Receiver Parts Kit (without grip) w/ AR 15/AR 10 Single Stage Flat Trigger CMC Triggers Complete Lower Receiver Parts Kit for AR-15 is a great addition to your AR15 build. From amateur gun builder to seasoned expert gun smith, this...$249.00 -
Out of stock
CMC Single-Stage Drop-In Trigger
CMC Triggers
MSRP: $199.99$183.95CMC Single-Stage Drop-In Trigger CMC Triggers Single Stage AR15/10 are available in multiple pull weights and a Signature Flat or Curved Bow. Please select the desired bow design and pull weight from the selections. Manufactured in the Great State of...MSRP: $199.99$183.95 -
Out of stock
CMC Triggers AR 15 Carbine Length Gas Tube
CMC Triggers
$19.95CMC Triggers AR 15 Carbine Length Gas Tube The Nitride Coated Gas Tube is an essential component for the AR-15 family of firearms. CMC Triggers Nitride Stainless Steel AR15 / AR10 Gas Tubes Gas Tubes resists heat and corrosion. Ensures consistent gas...$19.95 -
Out of stock
CMC Triggers Drop-in Trigger for Glock Gen 1-3 - 9mm
CMC Triggers
$172.75CMC Triggers Drop-in Trigger for Glock Gen 1-3 - 9mm CMC Triggers aftermarket trigger design for the Glock® Pistol. Utilizing our Patented “Signature Flat” trigger design, we’ve downsized the overall geometry to create an excellent...$172.75 -
Out of stock
CMC Triggers Single Stage Curved AR 15/ AR 10 Trigger
CMC Triggers
$235.00CMC Triggers Single Stage Curved AR Trigger CMC Triggers Single Stage AR15/10 are available in configurations for Small Pin, Large Pin and M&P 15/22 Trigger in multiple pull weights and Signature Flat, Curved or Combat Curved Bow. Manufactured in...$235.00 -
CMC Two Stage Drop-In Trigger - Curved
CMC Triggers
MSRP: $239.99$230.95CMC Two Stage Drop-In Trigger - Curved CMC Triggers Single Stage AR15/10 are available in multiple pull weights and a Signature Flat or Curved Bow. Please select the desired bow design and pull weight from the selections. Manufactured in the Great State...MSRP: $239.99$230.95