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Silencerco AC863 Threaded Barrel 45 ACP 4.60" fits Glock 21 Black 416R Stainless Steel
Silencerco

Silencerco AC863 Threaded Barrel 45 ACP 4.60" fits Glock 21 Black 416R Stainless Steel

UPC 00817272012019

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1 offer · 1 in stock · sorted by best price
RetailerPriceStockLast checkedDeal
East Valley Tactical$146.47Low (2)24m agoGo to deal

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Description

The Glock 21 compatible threaded barrel from Silencer Co is a 4.6 inch replacement barrel made from 416R stainless steel. This barrel features a black finish along with a .578" x 28 RH thread pattern.

Specs

BrandSilencerco
CategoryBarrels · Parts
Caliber.45 ACP/Auto
UPC00817272012019
TypeBarrel
ModelGlock 21
StyleThreaded
Twist1:10"
FinishBlack Nitride
SeriesGlock 21 Compatible
Barrel_typeThreaded
Description.578x28 TPI
FinishcolorBlack
Firearm_fitGlock 21
Barrel_finishBlack
Rate_of_twist1:16" RH
Similar_itemsHGXBL
Thread_pattern1/2"-28 tpi
Barrel_featuresThreaded
Barrel_material416R Stainless Steel
Barrel_description5.2"
Length4.60"

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D.O.P.E.Price history

Lowest price across connected retailers, from every price check we've recorded.

Current best
$146.47
Low
$146.47
Oct 8, 2026
High
$146.47
Oct 8, 2026
Tracking since
Oct 8, 2026
One price check so far ($146.47 on Oct 8, 2026). The chart fills in as retailers are re-checked.
Recent price checks (1)
DateRetailerPriceStock
Oct 8, 2026, 5:15 PM PTEast Valley Tactical$146.47Low

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