Gun Parts

(16,392 deals total)

KAK Black Pistol Blade & Shockwave Buffer Tube KitIncluded in this KAK pistol blade and KAK Shockwave buffer tube kit is everything you'll need for finishing your build of a new AR15 pistol. Designed with holes for easy attachment and blade adjustment, the Shockwave is specially designed to pair perfect with KAK blades. Each component is black anodized for a strong durable finish that's corrosion resistant and more reliable over regular use, and we're pleased to offer the entire kit at a great sale price.

This AR Lower Parts Build Kit comes with a Bare Necessities complete LPK and a Tactical Sport Mil-Spec M4 Stock Kit. This lower build kit comes with everything that you need to complete your 80 percent lower other than the lower itself. It includes a 6 Position Adjustable Buffer Tube Kit. Lower Build Kit Parts: TS M4 Stock (Mil-Spec) TS 6 Position Adjustable Buffer Tube Assembly Kit (Mil-Spec) Bare Necessities AR Complete Lower Parts Kit Components: Disconnector Spring Hammer Pin & Trigger Pin Selector Selector Spring Selector Detent Magazine Catch Magazine Catch Spring

Assembled .750 Gas Block with Stainless Steel Gas Tube Streamline your AR15 upgrades with our top-tier .750 Gas Block, pre-assembled and pinned with a high-quality Stainless Steel Silver Gas Tube. Choose from Mid-Length, Carbine, and Pistol sizes to achieve the perfect fit for your rifle, effortlessly. Streamlined Installation: Pre-assembled and pinned for quick, hassle-free setup. Customizable Options: Available in Mid-Length, Carbine, and Pistol lengths to perfectly match your AR15. Enhanced Performance: Promotes efficient gas flow, improving reliability and shot consistency.

AO Precision x Andro Corp Industries Stripped Receiver Set Product Description Combine the superior quality and precision of AO Precision's True Mil-Spec M4 Flattop Upper Receiver with the robust Andro Corp Industries ACI-15 Stripped Lower, Manufactured by AO Precision, to create the ultimate AR-15 build. This set offers unparalleled compatibility and reliability, providing a solid foundation for your custom AR-15 rifle.

Premiere Manufacturing Complete AR15 BCG 5.56 / .223 - Polished Black Nitride The best BCGs for replacement parts and builds have strong and dependable carriers with trusty bolt assemblies that cycle reliably. That's exactly what you'll get with this high quality complete BCG. Premiere Manf M16 bolt carrier groups are polished before and after the H&M BLACKNITRIDE+™ process, producing a beautiful finish and reducing the friction coefficent. The carrier is made from 8620 steel. The bolt is made from 9310 steel.

NOW Thru MAY 31st Save Up To 58% OFF ALL Strike Industries Products

Weight 12 oz Bolt Material Carpenter 158 Steel Cartridge Compatibility .223/5.56 NATO/.300 BLK Finish Chrome Carrier Profile M16 High Pressure Tested Individually HP Tested Magnetic Particle Inspected Magnetic Partical Inspected Platform AR-15 Bolt Finish Chrome MPN SOLGWBCG556-CHROME UPC 676821073297 SKU: 19067

Description

Description Two Chamber Brake Neutral Configured NOX 3 Ports at 9, 12 and 3 O’Clock Great for Left and Right Handed Shooters The long awaited two chamber neutral version of our awesome NOX Flash Hider. Designed for left handers and right handers alike, the new 9 hole NOX has even more muzzle control than the original with 3 ports at the 9, 12 and 3 o’clock positions. Weight 4 oz Muzzle Device Type Muzzle Brake Threads 1/2×28 Caliber .22 (.223/5.56/.224, etc.) Finish Nitride / Melonite MPN NOXB9-556 UPC 15897 SKU: 15897

Description The Sons of Liberty Gun Works NOX is a three prong flash hider designed for 5.56 barrels with a 1/2×28 thread pitch. The NOX Flash Hider is made from 4140 Chrome Moly Steel and Nitride treated for a long lasting finish. This model features the Dead Air Sandman Keymount for quickly attaching the suppressor to the end of your rifle. If you are building an AR-15 for home defense and want the best in flash suppression, the SOLGW NOX Flash Hider is the one for you. Features: - Threaded 1/2×28 for 5.56 barrels - Dead Air Sandman Suppressor Keymount compatible

Weight N/A Length 10.5", 11.5", 13", 16.75", 8", 9.5", 15" MPN M76-8,M76-16.75,M76-11.5,M76-10.5,M76-15,M76-9.5,M76-13 UPC 5773,5778,691821282548,691821650613,691821559107,691821334926 SKU: sons-of-liberty-gun-works-m76-wedgelock

Description

Weight 40 oz Finish Mag Phosphate / Parkerized Barrel Profile Heavy Gas System Length Rifle Gas Block Journal 0.75 Barrel Length (inches) 20 Barrel Chamber 6.5 Grendel Platform AR-15 Twist Rate 1-8 Muzzle Thread Pattern 5/8×24 UPC 10362 SKU: 10362

Weight 40 oz Finish Parkerized Barrel Profile Heavy Gas System Length Carbine Gas Block Journal 0.936 Barrel Length (inches) 16 Barrel Chamber 12.7×42 Platform AR-15 Twist Rate 1-20 Muzzle Thread Pattern 49/64×20 MPN 18003 UPC 18003 SKU: 18003

Weight 40 oz Finish Stainless Barrel Profile Lightweight Gas System Length Rifle Gas Block Journal 0.75 Barrel Length (inches) 20 Barrel Chamber .22-250 Platform AR-10 / LR-308 Twist Rate 1:14 Muzzle Thread Pattern 5/8×24 MPN 20474 UPC 2148-B22-250RLW20114SS SKU: 20474

Description Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers. Why buy an NBS Brand Barrel: - American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States - Quality Control – All barrels are manufactured under ISO-9001 or better quality standards

3151 You’re looking at the NBS 16″ 9mm Govt / SOCOM Profile QPQ Nitride Barrel. We sell hundreds of varieties of barrels from many top manufacturers and the ones we like the most end up as NBS barrels. We buy these in large quantities and re-brand them so we can bring them to our loyal customers at a fraction of the cost.

Description Here at AR15Discounts.com we work with a wide variety of machine shops and barrel manufacturers. When we come across a barrel maker we like, we will often decide to private label those barrels for resale under the NBS brand. We purchase these barrels in large quantities and then pass the savings on to our customers. Why buy an NBS Brand Barrel: - American Made – Sourced from a variety of Tier 1 Manufacturers here in the United States - Quality Control – All barrels are manufactured under ISO-9001 or better quality standards

Weight 0.2 oz Color Black, FDE, OD Green MPN ACF, 556, BLACK, ACF, 556, FDE, ACF, 556, ODG SKU: fcd-acf-ambi-charging-handle

Weight 1 oz MPN HF-601 UPC 697566711077 SKU: 13295

Weight N/A Color Black, FDE, OD Green Style Single Dimple, Twin Dimple MPN EPC SKU: fcd-epc-billet-dust-cover

ABC/R (Augmented Bolt Catch/Release) with its angled and larger top paddle and lower paddle with increased surface area, is purpose designed for use with AR15/M16 receivers equipped with ambidextrous magazine releases. Specifically, it is designed to address the difficulty with accessing the factory bolt catch’s lower paddle with an ambidextrous magazine catch, such as Norgon’s Ambi-Catch, on the receiver.

Featuring a unique glow in the dark and translucent polycarbonate body, the AMEND2® AR-15 Mod-2 .223 / 5.56 30-Round Glow in The Dark Magazine is a reliable and rugged rifle magazine for backyard plinkers and target shooters that's sure to turn some heads during your next range day. This 30-round AR-15 magazine boasts precision-molded and reinforced polycarbonate feed lips for a secure and wobble-free fit with your rifle while a removable base plate makes quick disassembly for maintenance and cleaning easier than ever.

**Currently in production and expected back in stock in late February/early March!!**Developed for Prepper Gun Shop by Manticore Arms, the PGS Hybrid magazine for Scorpion EVO features heat treated steel feed lips and a polymer body. The magazine is 100% made in the USA and counts as three parts for 922r compliance. SKU#: MA-17200-CLR UPC#: 811359021185

Suppose you're planning on making an upgrade to your AR platform. In that case, the first change is the trigger is almost always the first change, so gear up with OpticsPlanet Exclusive RISE Armament RA-242 Enhanced Rifle Trigger. This single-stage trigger combines Rise Armament's high-quality designs and OpticsPlanet's unique style. The RA-242 Rifle Triggers are designed with a highly light 3.5-pound pull weight, crisp break, and fast reset. It is also constructed from high-grade and heat-treated tool steel and aluminum.

The FG-15 Trigger Actuating Grip from Freedom Ordnance is a revolutionary new item both in its design and concept. The grip replaces any standard AR-15 pistol grip and will function as a standard grip until the user wishes to engage the actuator. The grip contains a high-quality internal ball-bearing crank handle that can be released providing an internal "Gatling Gun" type actuator that will fire 3 rounds with each turn of the crank.

SKU 51655134676 Brand Palmetto State Armory Model Number 51655134676 UPC 51655134676 DETAILS Barrel Length: 16" Gas System: Mid-Length Barrel Profile: A2 Style Barrel Steel: 4150V Barrel Finish: Nitride Black Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4 Hand Guard Type: NEW PSA 15" M-Lok Lightweight Rail FEATURES

SKU 504399 Brand Palmetto State Armory Model Number 504399 DETAILS PSA AR15 COMPLETE RIFLE LOWER RECEIVER A2 SKU: 504399 UPC: 504399 MFR#: 504399 FEATURES PSA Complete Rifle Lower Receiver A2. Just the thing for that A4 clone. True mil-spec style dark grey stock that darkens with the application of CLP or a black stock. - Lower Machined from 7075-T6 Aluminum Forging - Hardcoat Anodizing: MIL-A-8625F, Type III, Class 2 - PSA classic fire control group - Mil-spec style A2 stock - rifle length buffer and spring

SKU 516446780 Brand Palmetto State Armory Model Number 516446780 UPC 516446780 DETAILS PSA 16" 5.56 NATO 1:7 Midlength Nitride 13.5" Lightweight M-Lok MOE EPT Rifle Kit w/ MBUS Sight Set Barrel Length: 16" Gas System: Midlength Barrel Profile: A2 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 DiameteratGasBlock: .750 Gas Block Type: Low-profile Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4

Capacity: 30-RoundCartridge: 5.56 mm NATOColor: BlackMake: AR-15 SKU 556MOD2BLK30 Manufacturer Amend2 Caliber 5.56 NATO, 300 BLK, 300 AAC Blackout, .223 Remington, 223 Rem, .223 Wylde Style AR Color Black Magazine Capacity 30 Magazines Included 1 Detachable Magazine Yes Recoil Pad No

The Panzer Arms AR12 Shotgun comes with two 5 round magazines but sometimes you want just a little bit more capacity. Now you can with the Panzer Arms 10 round 12 gauge magazine for the AR12 semi-automatic platform. Made from metal and designed for reliability. Features: - 12 gauge - 10 round capacity - For AR12 shotgun - Metal construction

Toolcraft 5.56 NATO Black Nitride Bolt Carrier Group 9310 - $68.99 or C158 - $68.99 Please check out all our other DEALS: ARM OR ALLY GUN DEALS click the link above. ALL TOOLCRAFT BCG'S HERE Simply the best 5.56 NATO bolt carrier group on the market! Available in either 9310 or C158 Steel Bolt.

SKU 5165450505 Brand Palmetto State Armory Model Number 5165450505 UPC 5165450505 DETAILS PSA 8.5" PISTOL-LENGTH 300AAC 1/7 NITRIDE 7" LIGHTWEIGHT M-LOK UPPER WITH BCG & CH Barrel Length: 8.5" Gas System: Pistol Length Barrel Profile: Heavy Barrel Steel: 4150V Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 300AAC Blackout Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: Low-Profile Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4

SKU 516551304057B Brand Palmetto State Armory Model Number 516551304057B UPC 516551304057B DETAILS PSA 16" 5.56 NATO M4 CARBINE CLASSIC RIFLE KIT, FLAT DARK EARTH Barrel Length: 16" Gas System: Carbine Length Barrel Profile: M4 Barrel Steel: 4150 Chrome-Moly Vanadium Barrel Finish: Nitride Chrome Lining: None Muzzle Thread: 1/2-28 Chamber: 5.56 NATO Twist Rate: 1:7 Barrel Extension: M4 Diameter at Gas Block: .750 Gas Block Type: F Marked Front Sight Base Muzzle Device: A2 Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: M4

Color : Black Gas System Length : NA Handguard Style : M-LOK Material : Polymer Item Height (Inches) : 0.780 Quantity : 1 Item Length (Inches) : 12.000 Brownells sku: 430110092 MPN#: MAG1381-BLK UPC#: 840815147787

Lantac Full Auto Bolt Carrier Group .223/5.56 is machined from 8620 steel with a TiN (Titanium Nitride) finish. This BCG features shrouded forward-facing gas ports allowing the system to run with a smoother energy pulse. The tail of the carrier has a flared boss helping improve the lock position with the upper and increasing accuracy.

Description AR-10 builds are becoming more popular now that builder sets are more affordable. Whether you are putting together a standard .308 Win., or building something more exotic, protect your valuable internal parts by using the KVP AR-10 Stock completion kit and 5.6oz heavy buffer. Our kit features a robust 7075-T6, 6-Position buffer tube, 17-4 Stainless Steel Recoil Spring, and our 5.6 oz Stainless Steel Heavy Tungsten buffer. This kit contains everything needed to install Mil-Spec diameter stocks from Magpul, BCM, MFT, Luth-AR, and many others. All Parts made in the USA!

SKU 51655128350 Brand Palmetto State Armory Model Number 51655128350 UPC 51655128350 DETAILS Lower Receiver Material: Machined from Aluminum Forgings 7075-T6 Lower Receiver Finish: Hardcoat Anodizing: MIL-A-8625F, Type III, Class 2 Grip: Magpul Grip in Black Fire Control Group: Enhanced Polished Trigger & Hammer Caliber: Multi Brace: SB Tactical HBPDW Brace FEATURES This complete Palmetto State Armory AR-15 pistol lower with SB Tactical HBPDW™ Brace is fully assembled and ready for your Pistol Upper! SB Tactical HBPDW Brace

BL-G17-9MM-M-TB-FLAT NOTE – THIS BARREL IS IDENTICAL TO OUR PRODUCTION MODEL, WITH AN ADDED FLAT AT THE 90 DEGREE FOR COMPENSATORS. Please see photos for reference. We are marking these as blemished, but these products have passed QC 100%

BL-G19-9MM-M-TB-FLAT NOTE – THIS BARREL IS IDENTICAL TO OUR PRODUCTION MODEL, WITH AN ADDED FLAT AT THE 90 DEGREE FOR COMPENSATORS. Please see photos for reference. We are marking these as blemished, but these products have passed QC 100%

BL-G43-9MM-M-TB-FLAT NOTE – THIS BARREL IS IDENTICAL TO OUR PRODUCTION MODEL, WITH AN ADDED FLAT AT THE 90 DEGREE FOR COMPENSATORS. Please see photos for reference. We are marking these as blemished, but these products have passed QC 100%

Barrel Length 16″ Barrel Weight N/A Barrel Material 4150 CMV Barrel Caliber 5.56 X 45mm (NATO) Barrel Profile M4 Twist 1/9 Barrel Thread 1/2 x 28 Gas Block Size .750 Gas System Length Carbine Gas Block Low Profile Barrel Finish Phosphate, Chrome Lined Barrel Extension Finish Phosphate SKU: CBA-LPGB-M4-160-556-03/9CL

The LaRue Tactical MBT-2S AR-15 Trigger with Straight Bow (MBT-2S-SB) is designed for precision and performance. It features a flat-faced trigger preferred by precision and competition shooters, offering better control and faster shots. Constructed from solid S7 tool steel using CNC machining, this trigger features a 4.5-pound pull weight and a positive reset. It can easily replace the stock trigger in AR10/AR15 lower receivers and includes an extra "heavy" trigger spring for a 6-pound pull if desired. Features: - Flat-faced trigger for improved control and quicker shots

SKU 516551639371B Brand Palmetto State Armory DETAILS Barrel Length: 18" Gas System: Mid-Length Barrel Profile: A2 Style Barrel Steel: 416R Stainless Steel Barrel Finish: Stainless Steel Chrome Lining: None Muzzle Thread: 5/8-24 Chamber: 308 WIN Twist Rate: 1:10 Barrel Extension: M4-style Diameter at Gas Block: .750 Gas Block Type: Low-profile 3 position click switch adjustable gas block Gas Tube: Black Nitride Gas Tube Muzzle Device: A2 Style Flash Hider Receiver Material: Forged 7075 T6 Receiver Type: PA10

Description AR15Discounts is excited to offer up these high quality Mil-Spec Lower Parts Kits at wholesale prices. We source these in large batches from the same companies that supply both our military and top rifle manufacturers in the industry. Given that we are purchasing surplus in large batches, we can’t guarantee to keep them in stock at all times so be sure to stock up on them as they become available. Buy with confidence. Packaging may vary but each kit is backed by our Satisfaction Guarantee. Backed by NBS Limited Lifetime Warranty Kit includes: - Black A2 Pistol Grip

Weight N/A Length 15.5", 17.5" Color Black, FDE, Midnight Bronze, OD Green, Sniper Grey SKU: D183-1

The Dirty Bird Free Float Quad Rail is a no-nonsense American Made rail system designed for versatility and simplicity. It features a monolithic top rail and is precision machined from 6061-T6 aluminum extrusions. Next, it is type 3 hard coat anodized, so you can be sure that this handguard can withstand an incredible amount of abuse. Front and Rear Sling Swivel Attachment Points are integrated into both the left and right side rails and are designed to limit the swivel’s rotation preventing twists and tangles in slings. The handguard is fully dehorned and deburred.

The SMRS (Slim M-LOK Rail System) V3 by Dirty Bird Industries is a high quality and feature packed M-LOK handguard designed for AR-15 platform rifles and pistols. When designing this handguard, the team started from a basic set of requirements: The handguard must be tough, versatile, practical and have a straight forward install. Tough Machined from aircraft grade 6061-T6 aluminum extrusions. Type 3 hard anodizing or Cerakote™ sprayed at 1 mil thickness per spec. Versatile M-LOK attachment slots on all sides Full 1913 picatinny top rail

Barrel nut, 2x install screws, CamLock fastener, and barrel nut wrench included. *Does not come with anti-rotation pin for use with NBS Slick Side Billet Upper Receiver. Anti-rotation pin can be found below: 98381A470 – NBS/Dirty Bird Gen 2 Handguard Anti-Rotation Pin – AR15Discounts

BUN-228 PSA 23 Round 5.7 Rock Steel Magazine DETAILS Brand: Palmetto State Armory Caliber: 5.7x28mm Capacity: 23 **While this magazine will fit in a Ruger 5.7 magwell, we cannot guarantee that they will function in a Ruger 5.7 Pistol *Due to geometry differences, the 5.7 Rock 23 round *magazine will fit in a Ruger 5.7 Pistol as well as our 5.7 Rock pistol, however function cannot be guaranteed. A 20 round Ruger 5.7 magazine will NOT work in a 5.7 Rock. FEATURES This black oxide alloy steel 23-round 5.7x28mm magazine is compatible with the PSA 5.7 Rock Pistol.

Aero Precision APAR501200: The Aero Precision AR15 Complete Lower Receiver with Magpul PRS Lite Stock is the perfect upgrade for your AR build. This complete lower features an AR15 Gen 2 Lower and is upgraded to include an Magpul PRS Lite Stock. The PRS Lite provides much of the same adjustability and many features of Magpul's PRS GEN3 Precision-Adjustable Stock, with the added benefits of reduced weight. INCLUDES: AR15 Gen 2 Lower Receiver Magpul MOE Grip Magpul PRS Lite Stock Lower Parts Kit Carbine Receiver Extension AR15 Carbine Buffer and Spring These parts are installed

AR-15 / M16 high capacity 100 round dual drum mag. Manufactured in South Korea for Korean military use. This is the Gen II version that list new re-enforced feed lips and does not require a graphite lubricant. Comes complete with case. Buy 10 for $84.99 each and save 6% Item #: ACC-AR15-100DD-G2

Aero Precision APAR308291: Aero Precision's M5 .308 Complete Lower Receiver is the perfect base for your custom big-bore AR rifle. FEATURES: Works with standard AR 308 components and magazines Rear takedown pin detent hole is threaded for a 4-40 set screw Bolt catch is threaded for a screw pin (no roll pin needed) Integrated trigger guard Selector markings will work with 45, 60 or 90 degree safety selectors Accepts Battle Arms Development short throw safety selectors, but will work with any standard selector No gap with aftermarket pistol grips INCLUDES:

Quick Overview free shipping Free Shipping applies to this item only and not the entire order. It is the customer's responsibility to be aware of all applicable laws and regulations regarding the purchase and ownership of uppers with a barrel length of less than 16". Federal NFA regulations are applicable to this item. SKU: 5165449836 UPC: 5165449836 MFR#: 5165449836

AR-15 Magazines for Sale from $6.99

TacFire AR15 ultra slim KeyMod free float handguards. Includes barrel nut. Specifications for 7" Length: 7" Weight: 9.7 oz Free Float: Yes Material: T6 6061 Anodized Aircraft Grade Aluminum Finish: Black Hardcoat Anodized Specifications for 10" Length: 10" Weight: 12 oz Inner Diameter: 1.38" OuterDiameter: 1.61" Gas Block Clearance Space: 0.40" Free Float: Yes Material: T6 6061 Anodized Aircraft Grade Aluminum Finish: Black Hardcoat Anodized Specifications for 12" Length: 12" Weight: 13.3 oz Inner Diameter: 1.38" OuterDiameter: 1.61"

The freefloating Bravo Company MCMR M-LOK Rail handguard eliminates external load on the barrel, reducing deflection for more accurate shooting. Featuring the same industry leading barrel nut and lock up design introduced on BCM's KMR handguard, the MCMR series of handguards delivers modularity for the M-LOK platform. Its proprietary patented mounting system (US Patent 8904691), includes a mechanical index to the 12-o’clock rail and positions mounting hardware to mitigate movement caused by heat. Features: - 6061-T6 aluminum alloy - Free float handguard - M-LOK compatible

The Strike Industries M-LOK Covers provide unlimited placement options without having to cut anything to size. With single slot pieces, you can plug any M-Lok slot you need and still have the useable slots open for ventilation or accessories, and at the same time provides more dexterity for positive weapon control with the aggressive texturing. The SI M-Lok Covers are made from a hardened nylon polymer for maximum impact absorption.

The TacFire MAR047-D AR-15 6-Position Mil-Spec Buffer Tube Assembly Kit w/QD End Plate is a great choice for AR-15 owners looking for a high-quality, affordable buffer tube assembly kit. This kit includes a 6-position mil-spec buffer tube, a QD end plate, and a castle nut. The buffer tube is made from lightweight aluminum and features a hard anodized finish for durability. The QD end plate is made from steel and features a quick-detach sling swivel mount. The castle nut is made from steel and is serrated for easy installation.

AK47MAG30 The AC Unity AK-47 30 Round Magazine features a black polymer construction with a black polymer follower and removable floorplate. It holds 30 rounds of 7.62X39 and is compatible with any AK-47 variant rifle. The AC-Unity 30rd AK47 7.62x39mm BHO Magazine is impact resistant, lightweight, and highly reliable for all AK47/AKM weapons. Will fit and function in all 7.62x39 AK47 style rifles/carbines/pistols that use standard AK mags.