In StockSave 11%
Type
parts
Last Seen
May 20, 2026
CMMG AR-15 Receiver Extension Kit, Carbine - 55CA6C7
Sold byPalmetto State Armory•Posted May 18, 2026
Compare prices for CMMG Mil-Spec AR-15 Buffer Tube Kit Aluminum Black$63.99
$71.99
You save $8.00 (11% off)
Price and stock data refresh continuously from Palmetto State Armory.
Deal Summary
- Currently in stock.
- Category: parts
- UPC: 815835017389
- SKU: 5165452502
- Brand: Cmmg
Price History
Deal Details
Complete your AR-15 lower build with this carbine receiver extension kit. Includes CMMG 6 position carbine buffer tube, CMMG carbine action spring, CMMG carbine buffer, castle nut, and end plate.Features: Carbine Receiver ExtensionMatte Black FinishCMMG Lifetime Warranty
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Active offers from your catalog for CMMG Mil-Spec AR-15 Buffer Tube Kit Aluminum Black.
Comparing 9 retailers carrying this product
Lowest Price: $54.67
Highest Price: $89.99
You Save: $35.32
Avg Discount: 8% off
CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer & Action Spring for for AR-15
CmmgShooting SurplusSKU/UPC: 3197
$54.67
View at Shooting Surplus
CMMG RECEIVER EXT KIT CARBINE AR15
CmmgGrabAGunSKU/UPC: GAG_RES-CMMG55CA6C7
$56.79$94.99Save 40%
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CMMG Mil-Spec AR-15 Buffer Tube Kit Aluminum Black
CmmgMidwayUSASKU/UPC: 885328
$58.99
View at MidwayUSA
CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer & Action Spring for for AR-15
CmmgHinterland OutfittersSKU/UPC: 55925
$62.54
View at Hinterland OutfittersCMMG AR-15 Receiver Extension Kit, Carbine - 55CA6C7
CmmgPalmetto State ArmorySKU/UPC: 5165452502
$63.99$71.99Save 11%
View at Palmetto State Armory
CMMG Inc Receiver Extension Kit Carbine AR-15
CmmgOptics PlanetSKU/UPC: 2CM-RBT-GVZQ-55CA6C7
$73.49$74.95Save 2%
View at Optics Planet
Ar-15 Receiver Extension Kit - Ar15 Carbine Receiver Extension Kit
CmmgBrownellsSKU/UPC: 100037931
$76.99$92.99Save 17%
View at Brownells
CMMG 55CA6C7 Receiver Extension Kit includes Carbine Style Buffer Action Spring for for AR15
CmmgAmmunition DepotSKU/UPC: 55CA6C7
$89.99
View at Ammunition Depot