SF10 Small Frame .308 Winchester


Common Use:  Defense, Recreational, Hunting & Competition

The SF-10 is a DPMS® GEN II compatible Small Frame AR10.  The SF-10 is a compact, lighter, and more dynamic version of the AR10.

Accurate, versatile, efficient, and popular is the easiest and best way to describe the 308 Winchester.  The 308 has been chambered in every feasible action and provides exceptional performance for everything from bench rest shooting to big game.

Recommended Load(s): Prime .308WIN  HPBT 175 Grain

*** To further customize your SF-10, F4 offers this rifle in a number of different options (Stainless Steel only); including:

  • Twist Rate
  • Rifling (Cut or Buttoned)
  • Gas Length
  • Barrel Length
  • Gas Block Diameter (.750, .875, .936)
  • Fluting
  • Muzzle Thread Size
  • Blank (Bartlein, Criterion, Shilen, Rock Creek, F4 Match, etc.)

Prices and lead-times vary, please call (240-808-2314) or email (info@f4defense.com) to order.



SKU: SF10-308-ARSL15 Categories: , Tags: ,


Technical Specs

  • Receivers: Precision CNC Machined from Aerospace Aluminum Billet 7075-T6
  • Caliber: .308 Winchester
  • Barrel & Gas System Specs:
    • 16″ Proof Research Carbon Fiber 1×8 | Intermediate
    • 18″ Proof Research Stainless Steel 1×10 | Intermediate
    • 18″ Craddock Precision Match Fluted Stainless Steel 1×10 | Intermediate
  • Fire Control Group: Trigger Tech® Adaptable AR Primary Trigger (2 Stage) or ELF Match Trigger (Single Stage)
  • Handguard: ARS-Lite 15.8″
  • Selector: Radian Talon Short-throw Ambi Selector
  • Charging Handle: Radian Raptor (AMBI)
  • Muzzle Device: APA® Little Bastard™ Muzzle Brake or Seekins Precision ATC
  • Stock: MFT Minimalist
  • Gas System: Superlative Arms Adjustable Gas Block
  • Buffer System: Hydraulic Buffer and Tubb’s Flat Wire Spring
  • Finish:  Type III Class II Anodized Black
  • Weight: 6.65 lbs (Carbon Fiber), 7.35 lbs (18″ SS)
  • Magazines: Lancer L7 AWM (2)
  • SUB-1/2 MOA Guarantee (Craddock Fluted SS) w/ Match Grade Ammunition – SUB-3/4 MOA Guarantee (Proof Research)


Additional information

Weight 7.5 lbs
Dimensions N/A
Barrel Type

16" Carbon Fiber, 18" Fluted Stainless Steel, 18" Stainless Steel


Elftman Match Trigger – Single State, TriggerTech Match Trigger – 2 Stage


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