Best Sellers - MSR Arms

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Best Sellers

Explore our Best Sellers category, featuring the most popular and top-rated firearm accessories and gun parts chosen by shooting enthusiasts and professionals alike. Discover why these items are customer favorites, from high-performance AR-15 parts and precision barrels to reliable tactical scopes and custom triggers. Each product in this category has been rigorously tested and reviewed for quality, durability, and exceptional performance. Upgrade your firearms with the best in the market, trusted by our community for their superior craftsmanship and innovative design. Shop now to find the best-selling gun parts and accessories that will elevate your shooting experience to the next level!

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A.R.M.S. Inc.

A.R.M.S. #22 Throw Lever Rings

MSRP:

Now: $139.99

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Advanced Technology Incorporated (ATI)

Advanced Technology X2 Recoil Reducing AR15 Pistol Grip

MSRP:

Now: $21.99

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Bravo Company
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sku: RS-BCM-STOCK-HARDWARE-KIT

Bravo Company Mil-spec Carbine Stock Hardware Kit

MSRP:

Now: $57.95

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CMMG

CMMG 22LR AR Conversion Kit Bravo

MSRP:

Was: $171.99

Now: $145.99 - $175.99

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CMMG
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sku: RS-CMMG55DA338

CMMG AR-15 Front Sight Base Assembly

MSRP:

Now: $43.99

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FailZero
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sku: RS-FZ-LW-BCG-01-NH

FailZero Lightweight Bolt Carrier Group

MSRP:

Now: $224.99

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Geissele Automatics
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sku: RS-GEI08-153

Geissele Automatics Maritime Bolt Catch

MSRP:

Now: $29.00

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GPS Tactical
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sku: RS-GOGPS-T1913BPB

GPS Tactical Range Backpack - Tall

MSRP:

Now: $188.99

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Hexmag

Hexmag Tactical Grip (HTG) Rubber

MSRP:

Now: $31.99

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Indian Creek Designs

Indian Creek BFD Blast Forwarding Device With Mount

MSRP:

Now: $69.95

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NightStrike

NightStrike Diamondback Foregrip

MSRP:

Now: $24.99

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Phase 5

Phase 5 Chrome Lined Black Phosphate Complete Bolt Carrier Group

MSRP:

Now: $150.00

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Phase 5

Phase 5 Extended Bolt Release v2

MSRP:

Now: $59.99

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Radian Weapons

Radian Weapons Talon Ambidextrous 45/90 Safety Selector

MSRP:

Was:

Now: $59.95 - $94.95

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Rise Armament

Rise Armament RA-434 High-Performance Trigger w/ Anti-Walk Pins

MSRP:

Now: $179.99

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Spike's Tactical

Spike’s Tactical Melonited Gas Tube

MSRP:

Now: $14.40

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A.R.M.S. Inc.

A.R.M.S. #22 Throw Lever Rings

All Steel 30mm Ring, secured with A.R.M.S.® dovetail system to an extruded aluminum platform. Built-in no-mar Patented Buffer Pads. 100% Made in the USA Low Height: .925" (Measured from the center of the optic to the base) Medium Height: 1...

MSRP:

Now: $139.99
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Advanced Technology Incorporated (ATI)

Advanced Technology X2 Recoil Reducing AR15 Pistol Grip

The ATI AR-15 / AR-10 X2 AR-15 Pistol Grip features a material that absorbs the initial shock wave which is the felt punch of the recoil. This increases the shooter’s comfort while reducing the muzzle lift. We got our hands around this grip at Shot...

MSRP:

Now: $21.99
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Bravo Company
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sku: RS-BCM-STOCK-HARDWARE-KIT

Bravo Company Mil-spec Carbine Stock Hardware Kit

This kit contains all the necessary parts to mount your Mil-Spec dimension stock assembly to your lower receiver. Includes: Receiver Extension - Mil-Spec, 6 position (machined from 7075T6) Receiver End Plate Lock Nut (Castle) M4 Action Spring, Carbine...

MSRP:

Now: $57.95
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CMMG

CMMG 22LR AR Conversion Kit Bravo

Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with one or three 10 round magazines. All Stainless Steel Construction. The magazines are polymer. Works...

MSRP:

Was: $171.99

Now: $145.99 - $175.99

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CMMG
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sku: RS-CMMG55DA338

CMMG AR-15 Front Sight Base Assembly

“F” marked front sight base assembly for .750″ gas journals. Includes front sight post and sling loop.

MSRP:

Now: $43.99
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FailZero
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sku: RS-FZ-LW-BCG-01-NH

FailZero Lightweight Bolt Carrier Group

TheFailZero Lightweight Bolt Carrier Group is a lightweight mod designed to increase tactical performance. Durable and smooth, this Carrier Group will enhance the feel of your rifle. Going lightweight not only means that your rifle is easier to carry, it...

MSRP:

Now: $224.99
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Geissele Automatics
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sku: RS-GEI08-153

Geissele Automatics Maritime Bolt Catch

When the mission is critical and conditions are harsh, you want to know that all your gear is up to the task. The Geissele Maritime Bolt Catch has extended controls resulting in increased surface area and improved function - in any condition. Locking the...

MSRP:

Now: $29.00
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GPS Tactical
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sku: RS-GOGPS-T1913BPB

GPS Tactical Range Backpack - Tall

The GPS Tactical Range Backpack - Tall is the most convenient range bag you will ever own. With room for all the essentials and individually labeled compartments, this is the bag you want to take - whether you are going to the range for a few hours or...

MSRP:

Now: $188.99
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Hexmag

Hexmag Tactical Grip (HTG) Rubber

The best gun grips create a secure yet comfortable grip. Look no further than the Hexmag Tactical Grip (HTG), which delivers an over-molded rubber grip with the iconic HEXTURE™ design pattern for increased grip combined with ergonomically correct...

MSRP:

Now: $31.99
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Indian Creek Designs

Indian Creek BFD Blast Forwarding Device With Mount

The Indian Creek Design BFD (Blast Forwarding Device) is unique and unmatched in its ability to allow the user to utilize virtually ANY muzzle device. The BFD directs the harshest sound waves away from the shooter and various users have found the need...

MSRP:

Now: $69.95
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NightStrike

NightStrike Diamondback Foregrip

The Nightstrike Diamondback foregrip is an aggressively angled hand rest designed to improve the ergonomics of your AR. Able to be held in several ways, this grip increases the overall comfort of your rifle, carbine or pistol. The Nightstrike Diamondback...

MSRP:

Now: $24.99
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Phase 5

Phase 5 Chrome Lined Black Phosphate Complete Bolt Carrier Group

Mil-Spec Heat treated and chrome lined carrier. Assembled complete with cam pin, firing pin, bolt and gas key.HPT/MPI tested Bolt.Drop-in BCG, ready to shoot.Finish: Standard black phosphate coating. Note from Phase 5:***There has been a lot of talk...

MSRP:

Now: $150.00
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Phase 5

Phase 5 Extended Bolt Release v2

(EBRv2-308) - The Phase 5™ (EBRv2/308)™ gives the operator the ability to reload quicker, clear jams in a more efficient way and eliminate unnecessary hand movements during various operations.Monolithic tri-steel technology gives the...

MSRP:

Now: $59.99
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Radian Weapons

Radian Weapons Talon Ambidextrous 45/90 Safety Selector

The Talon™ ambidextrous safety selector is a modular design that can be installed as a standard 90° or as a 45° short throw by simply rotating the shaft 180° inside the lower receiver. Selector levers install using a precision machined...

MSRP:

Was:

Now: $59.95 - $94.95

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Rise Armament

Rise Armament RA-434 High-Performance Trigger w/ Anti-Walk Pins

Ultra smooth to the break with a crisp, clean release Quick reset and low over-travel for serious speed Friction-reducing premium nickel boron coating on interior parts for smoother contact surfaces Lightened trigger pull (3.5-lb. pull weight) Lightened...

MSRP:

Now: $179.99
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Spike's Tactical

Spike’s Tactical Melonited Gas Tube

Our best selling gas tubes! Spike's Tactical produced what we believe is the best gas tube out on the market for the AR-15 rifle. Spike's gas tubes are made out of Mil-Spec 304 stainless steel and then are Melonite coated for greater heat resistance,...

MSRP:

Now: $14.40
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