Tacfire SSPK300LPK7K AR-15 Pistol Build Kit KeyMod 300 Blackout Black Steel

Name: Tacfire SSPK300LPK7K AR-15 Pistol Build Kit KeyMod 300 Blackout Black Steel
Brand: Tacfire
SKU: 7ukn3ua

UPC 00745559515963

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1 offer · 0 in stock · sorted by best price

Retailer	Price	Stock	Last checked	Deal
East Valley Tactical	$512.45	Out of stock	37m ago	Go to deal

Prices and stock are from each retailer's latest check and can change. Price Dope may earn a commission from retailer links. Disclosure

TacFire's 300 BO unassembeld pistol build

7.5" parkerized barrel with pistol gas system (USA made)
5.56/300 BO NATO bolt carrier group (USA made)
7" Ultra Slim KeyMod free-float handguard with detachable rails
Lower parts kit included with trigger and hammer (USA made)
.750 gas block
Pistol length gas tube
Standard receiver end plate
Mil-Spec/Commercial castle nut
Mil-Spec buffer tube
3 oz buffer
Buffer tube spring
Mil-Spec charging handle
Dust cover
Forward assist
5/8"-24 thread bird cage A2 muzzle brake
Pistol grip (USA made) and upper receiver 5.56/223/300BO with M feed ramps (USA made).

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

One price check so far ($512.45 on Oct 8, 2026). The chart fills in as retailers are re-checked.

Recent price checks (1)

Date	Retailer	Price	Stock
Oct 8, 2026, 5:15 PM PT	East Valley Tactical	$512.45	Out of stock