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Strike Industries Miller Comp .223/5.56 - 1/2-28

Strike Industries Miller Comp .223/5.56 - 1/2-28

Strike Industries · Muzzle Devices

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Best price

$29.95at MidwayUSA

In stock checked Nov 3, 2026

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Where to buy

StorePriceAvailabilityBuyAdd to build
MidwayUSA Best price $29.95checked Nov 3, 2026 In stock Buy at MidwayUSA
OpticsPlanet $31.99Salechecked Nov 3, 2026 In stock Buy at OpticsPlanet
AR15Discounts $29.95checked Nov 3, 2026 Check store Buy at AR15Discounts
Dirty Bird $29.95checked Nov 3, 2026 Check store Buy at Dirty Bird
Kentucky Gun Co $29.95checked Nov 3, 2026 Out of stock Buy at Kentucky Gun Co

Prices and availability change often, so confirm on the store's site before you buy. We may earn a commission from these links.

Price history

Lowest in-stock price in the last 30 days: $29.95 at MidwayUSA. Dashed line = out of stock. Tracking since Oct 28, 2026.

Show the prices as a table
StoreLatestLowestHighest
AR15Discounts$29.95$29.95$29.95
Dirty Bird$29.95$29.95$29.95
Kentucky Gun Co$29.95$29.95$29.95
MidwayUSA$29.95$29.95$29.95
OpticsPlanet$31.99$31.99$31.99

Since Oct 28, 2026.

About this part

The Strike Industries Miller Comp .223/5.56 - 1/2-28 is a compensator from Strike Industries. It's sold by 5 stores (2 in stock), from $29.95 to $31.99. The lowest in-stock price in the last 30 days was $29.95 at MidwayUSA.

Fits and works with

Caliber
5.56 / .223 · Shop matching ammo
Muzzle thread
1/2x28 · Muzzle devices

Specifications

Manufacturer
Strike Industries
Type
Compensator
Caliber
5.56 mm NATO
Thread pattern
½ x 28

From the manufacturer

The Strike Industries Miller Comp is a muzzle device scaled back in size but with no compromises in performance. Engineered to mitigate recoil in the same manner as the SI JCOMP but with the profile modified to be slimmer so that a .750" minimum diameter gas block can slip right over the compensator. When installed, the Miller Comp matches the profile of the host barrel allowing the user to mount or remove a gas block without having to remove the muzzle device. Now the shooter can reconfigure the rile at anytime. Barrel nut, gas block, gas tube and handguard can all be serviced, adjusted, or swapped out with ease. The Miller Comp is intentionally designed to be a perfect pairing with a 14.5" length barrel to ensure the rifle minimum legal length (16") once pin and welded as a permanent muzzle device which makes it considered part of the overall barrel length. Trying to make the pin and welding process as least time consuming as possible, included in the package is a 2.35mm/3/32" diameter pin as well as a pre-drilled pinhole in the comp. This muzzle device introduces the new Strike Industries Jam Nut. There is no need to use the included SI Jam Nut if you are pin and welding but if you are not, we now give you an easier way to assist in the installation and timing of a muzzle device. The Strike Industries Miller Comp gives you a solution to solving a problem with wanting the shortest rifle legal length barrel setup along with shaving a little bit of weight without sacrificing performance. DISCLAIMER: Miller Comp is not compatible with SI OPPRESSOR Product Specs: -LENGTH 66.05mm / 2.60 inches (w/o Jam Nut) -OUTTER DIAMETER 18.92mm / 0.745 inches -WEIGHT 2.84oz -WEIGHT w/ PKG 3.30oz Package Includes: -1x Miller Comp -1x Jam Nut -1x Pin (2.35mm / 3/32" diameter) Features: -Slender in size without sacrificing performance -2 chamber design mitigates recoil -Fits .750" diameter gas block -1/2"-28 TPI thread pitch -For .223/5.56 caliber -AISI 1144 black nitride steel

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$29.95 at MidwayUSA
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