Tacfire 6-Position Buffer Tube Spring for AR-15 .223 Rem/5.56 Rifle, Black - MAR046

Tacfire 6-Position Buffer Tube Spring for AR-15 .223 Rem/5.56 Rifle, Black - MAR046 - Buffer Spring for AR-15 - view 1
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TacFire

Overview

The Tacfire 6-Position Buffer Tube Spring is designed specifically for carbine buffer tube setups in AR-15 platforms, providing the essential spring tension needed for reliable cycling. This spring is a vital component that ensures your bolt carrier group operates smoothly, making it suitable for builds that utilize a mid-length gas system and chamber the 5.56 NATO caliber. You’ll often find this spring in configurations aimed at optimizing performance and reliability in semi-automatic applications.

Specifications

MPNMAR046
AssemblySpring Only

Available Merchants(5)

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KY Gun Company logo
KY Gun Company
Flat rate shipping
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In Stock
$2.17
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Classic Firearms
Shipping varies
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Out of Stock
$3.35
BattleHawk Armory logo
BattleHawk Armory
Shipping varies
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Out of Stock
$3.78
Palmetto State Armory logo
Palmetto State Armory
$9.99 shipping (free over $99)
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$3.99
Optics Planet logo
Optics Planet
Free shipping over $49
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Out of Stock
$7.49

October 2026 on GunPartPicker

Tacfire 6-Position Buffer Tube Spring for AR-15 .223 Rem/5.56 Rifle, Black - MAR046 ranked #20 of the 52 buffer springs builders added on GunPartPicker in October 2026. Builders have added it to their builds on GunPartPicker. Since April 2026, it ranks #42 of the 116 buffer springs builders have added.

Availability is good: it was in stock at one retailer or another nearly every time we checked in October 2026, but today only KY Gun Company has it in stock. Prices barely moved in October 2026, holding around $2.17, with no real sale all month. Buying today, the lowest price is $2.17 at KY Gun Company, which matches the best price we saw in October.

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Builds in the community that include the Tacfire 6-Position Buffer Tube Spring for AR-15 .223 Rem/5.56 Rifle, Black - MAR046

BuildPartsTotal
for nothing in particular 16" build
for nothing in particular 16"
19$863.66

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