Table:
text: AR-15 variants
LE series models
LE series models
Colt_model_no_ Name_ Stock Fire_control Rear_sight Forward_assist Barrel_length Barrel_profile Barrel_twist Hand_guards Bayonet_Lug Muzzle_device
LE6921SP M4LE Carbine 4th Generation S-1 Flattop Yes 10 in. M4 HBAR 1:7 M4 Yes A2
LE6933 M4LE Commando 4th Generation S-1 Flattop Yes 11.5 in. A2 1:7 Short Ribbed Yes A2

Question: What is the barrel length for a cold model le6921sp among AR-15 variants of LE series models?