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MCS

CAA

JE Machine tech

Trinity Force

UTG Leapers

Elite Tactical Systems Group

Mission First Tactical

SB Tactical

Holosun

Black Spider LLC

Endo

Eotech

LBE Unlimited

Presma

Sig Sauer

Sight Mark

View all Brands

All MCS Gear-up Upper receiver products are backed by our 100% Satisfaction guarantee and include fast free USPS shipping! Please contact us if you are interested in Bulk purchases.

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.705" Low Profile Micro Gas Block for AR-15 .223/5.56, Stainless Steel

MSRP: $25.99

Was:

Now: $19.99

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.750 Low Profile Steel Micro Gas Block

MSRP: $25.99

Was: $18.99

Now: $10.99

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.750” Adjustable Low Profile Gas Block, Black Steel

MSRP: $32.99

Was:

Now: $28.99

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Ambi Charging Handle For AR-15 .223/5.56, Aluminum, Anodized

MSRP: $35.99

Was:

Now: $29.99

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AR 223/5.56/.308 Forward Assist Assembly, 6082 Anodized Aluminum, Black

MSRP: $15.99

Was:

Now: $10.99

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AR Black Nitride Gas Tube

MSRP: $19.99

Was:

Now: $15.99

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AR-15 Charging Handle Mil-spec

MSRP: $25.99

Was:

Now: $18.99

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AR-15 Ejection Port Dust Cover Assembly

MSRP: $14.99

Was:

Now: $8.99

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Extended Charging Handle Latch

MSRP: $19.99

Was: $14.99

Now: $8.99

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Push Button QD Quick Release Keymod Sling Swivel w/ Rail Mount

MSRP: $15.99

Was:

Now: $9.99

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Push Button Safety for 223/308 with Pin and Spring, Black Carbon Steel

MSRP: $12.99

Was:

Now: $8.99

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.705" Low Profile Micro Gas Block for AR-15 .223/5.56, Stainless Steel

Low Profile Micro Gas Block for AR-15 .223/5.56, 0.750" Stainless Steel. Ideal for new build or upgrading to free float handguard / forend • Fits barrels with OD of 0.750″ at gas port• Stainless steel construction,...

MSRP: $25.99

Was:

Now: $19.99

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.750 Low Profile Steel Micro Gas Block

Low Profile Steel Gas Block fits all M4 Carbines and M16A2 – A3 and A4 rifles with .750 barrels. Replaces front sight and requires 10″ or longer free float handguard for enhanced reliability.For your safety, Trinity Force recommends this part...

MSRP: $25.99

Was: $18.99

Now: $10.99

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.750” Adjustable Low Profile Gas Block, Black Steel

Adjustable Low Profile Gas Block, 0.750” Black Steel. • Fits 0.750” Diam. Barrels• Includes roll pin, screws & hex wrench

MSRP: $32.99

Was:

Now: $28.99

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Ambi Charging Handle For AR-15 .223/5.56, Aluminum, Anodized

MCS Ambidextrous AR-15 Charging Handle Allows both right and left-handed shooters to easily charge their AR-15. Also useful for 3 gun shooting and for training off-hand use. • Pulling from either side will result in a smooth, reliable pull.•...

MSRP: $35.99

Was:

Now: $29.99

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AR 223/5.56/.308 Forward Assist Assembly, 6082 Anodized Aluminum, Black

AR 223/5.56/.308 Forward Assist Assembly, 6082 Anodized Aluminum, Black. The forward assist, when hit, pushes the bolt carrier forward, ensuring that the bolt is locked. Made of strong 6082 Anodized Aluminum. As pictured,...

MSRP: $15.99

Was:

Now: $10.99

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AR Black Nitride Gas Tube

AR Black Nitride Gas Tube This is a quality black nitride replacement for your AR with correct dimensions and bends. Easy install. No roll pin.

MSRP: $19.99

Was:

Now: $15.99

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AR-15 Charging Handle Mil-spec

AR-15 Mil-Spec Charging Handle AR-15 charge handle for your 223/5.56 upper. Standard, non ambidextrous. • Made from Strong Aircraft Grade T6 Aluminum, hard-coated anodized

MSRP: $25.99

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Now: $18.99

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AR-15 Ejection Port Dust Cover Assembly

AR-15 Ejection Port Dust Cover Assembly. Ejection port dust cover assembly for any AR-15 upper receiver.As pictured, includes ejection port dust cover, rod, spring, e clip x 2

MSRP: $14.99

Was:

Now: $8.99

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Extended Charging Handle Latch

Oversized for quick access from all shooting positions. Allows quick, easy operation with left hand. Makes the charging handle easier to find and operate, especially on scope-mounted flat top receivers.Great for three gun shooters; expedites reloads and...

MSRP: $19.99

Was: $14.99

Now: $8.99

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Push Button QD Quick Release Keymod Sling Swivel w/ Rail Mount

Features: Heavy duty all steel construction, with 3/16" thick loop Push button mechanism for quick attachment and removal Black rust resistant anodized finish Polished ball bearing for smooth 360 degree swivel Compatible with KeyMod rails USA Made

MSRP: $15.99

Was:

Now: $9.99

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Push Button Safety for 223/308 with Pin and Spring, Black Carbon Steel

Push Button Safety for 223/308 with Pin and Spring, Black Carbon Steel.

MSRP: $12.99

Was:

Now: $8.99

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