Cryptic RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Manganese Phosphate

Name: Cryptic RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Manganese Phosphate
Brand: Cryptic
Availability: InStock

Cryptic · Lower Parts

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Best price

$51.99at OpticsPlanet

In stock Sale checked Oct 13, 2026

Buy at OpticsPlanet

Where to buy

Store	Price	Availability	Buy	Add to build
OpticsPlanet	$51.99Salechecked Oct 13, 2026	In stock	Buy at OpticsPlanet

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Price history

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Lowest in-stock price in the last 30 days: $51.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 12, 2026.

Show the prices as a table

Store	Latest	Lowest	Highest
OpticsPlanet	$51.99	$51.99	$51.99

Since Oct 12, 2026.

About this part

The Cryptic RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Manganese Phosphate is an AR-15 lower part from Cryptic. One store lists it, OpticsPlanet at $51.99. The lowest in-stock price in the last 30 days was $51.99 at OpticsPlanet.

Specifications

Manufacturer: Cryptic
Type: Kit
Platform: AR-15

From the manufacturer

Cryptic RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Manganese Phosphate. Specifications for Cryptic .450 Bushmaster/.458 SOCOM Master Repair Kit: Manufacturer: Cryptic Caliber: .458 SOCOM .450 Bushmaster Features of Cryptic RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Cam Pin (Choice of coating) Extractor (Choice of coating) Extractor Pin Extractor Spring w/ Viton Insert O-Ring (Viton Insert not included with .308 WIN / 7.62x51mm / 6.5 Creedmoor) Chrome Firing Pin Firing Pin Retaining Pin Ejector Ejector Spring Ejector Roll Pin Gas Rings (3) Package Contents: Cryptic .450 Bushmaster/.458 SOCOM Master Repair Kit Cryptic CC-RKM-0404: RKM -.458 SOCOM / .450 Bushmaster Master Repair Kit Manganese Phosphate